''Phoenix dactylifera'', commonly known as the date palm, is a flowering-plant species in the palm family
Arecaceae
The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly k ...
, cultivated for its edible sweet
fruit
In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering.
Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...
called dates. The species is widely cultivated across northern Africa, the
Middle East
The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq.
The term came into widespread usage by the United Kingdom and western Eur ...
, the
Horn of Africa
The Horn of Africa (HoA), also known as the Somali Peninsula, is a large peninsula and geopolitical region in East Africa.Robert Stock, ''Africa South of the Sahara, Second Edition: A Geographical Interpretation'', (The Guilford Press; 2004), ...
,
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
,
South Asia
South Asia is the southern Subregion#Asia, subregion of Asia that is defined in both geographical and Ethnicity, ethnic-Culture, cultural terms. South Asia, with a population of 2.04 billion, contains a quarter (25%) of the world's populatio ...
, and the desert regions of Southern
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
tropical
The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
and
subtropical
The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones immediately to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Ge ...
regions worldwide. ''P. dactylifera'' is the
type species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
of genus '' Phoenix'', which contains 12–19 species of wild date palms.
Date palms reach up to 60–110 feet in height, growing singly or forming a clump with several stems from a single root system. Slow-growing, they can reach over 100years of age when maintained properly. Date fruits (dates) are oval-cylindrical, long, and about in diameter, with colour ranging from dark brown to bright red or yellow, depending on variety. Containing 61–68percent sugar by mass when dried, dates are consumed as sweet snacks on their own or with confections.
There is archaeological evidence of date cultivation in Arabia from the 6thmillennium BCE. Dates are "emblematic of
oasis
In ecology, an oasis (; : oases ) is a fertile area of a desert or semi-desert environment
Description
Date palms reach up to in height, growing singly or forming a clump with several stems from a single root system. Slow-growing, they can reach over 100 years of age when maintained properly. The roots have pneumatodes. The
leaves
A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...
are long, with spines on the petiole, and pinnate, with about 150 leaflets. The leaflets are long and wide. The full span of the crown ranges from .
The date palm is
dioecious
Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...
, having separate male and female plants. Like all members of genus Phoenix, sex determination occurs through an
XY sex-determination system
The XY sex-determination system is a sex-determination system present in many mammals (including humans), some insects (''Drosophila''), some snakes, some fish (guppy, guppies), and some plants (''Ginkgo'' tree).
In this system, the sex of an ...
, where three genes that are conserved in all males and absent in all females have been identified. They can be easily grown from seed, but only 50% of seedlings will be female and hence fruit-bearing, and dates from seedling plants are often smaller and of poorer quality. Most commercial plantations thus use cuttings of heavily cropping cultivars. Plants grown from cuttings will fruit 2–3 years earlier than seedling plants.
Dates are naturally wind- pollinated, but in traditional oasis horticulture and modern commercial orchards, they are entirely hand-pollinated. Natural pollination occurs with about an equal number of male and female plants. With assistance, one male can pollinate up to 100 females. Since the males are of value only as pollinators, they are usually pruned in favor of fruit-producing female plants. Some growers do not maintain male plants, as male flowers become available at local markets at pollination time. Manual pollination is done by skilled labourers on ladders, or by use of a wind machine. In some areas, such as Iraq, the pollinator climbs the tree using a special climbing tool that wraps around the tree trunk and the climber's back (called in Arabic) to keep him attached to the trunk while climbing.
Date fruits are oval-cylindrical, long, and diameter, and when ripe, range from bright red to bright yellow in colour, depending on variety. Dates contain a single
stone
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its Chemical compound, chemical composition, and the way in which it is formed. Rocks ...
(seed) about long and thick. Three main
cultivar group
A Group (previously cultivar-groupInternational Code of Nomenclature for Cultivated Plants, 4th edition (1969), 5th edition (1980) and 6th edition (1995)) is a formal category in the '' International Code of Nomenclature for Cultivated Plants'' (' ...
s exist: ''soft'' (e.g., Medjool); ''semi-dry'' (e.g., Deglet Noor), and ''dry'' (e.g., Thoory).
Genome
A draft genome of ''P. dactylifera'' ( Khalas variety) was published in 2011 followed by more complete genome assemblies in 2013 and 2019. The later study used long-read sequencing technology. With the release of this improved genome assembly, the researchers were able to map genes for fruit color and sugar content. The NYU Abu Dhabi researchers had also re-sequenced the genomes of several date varieties to develop the first single nucleotide polymorphism map of the date palm genome in 2015.
Etymology
The species name ''dactylifera'' 'date-bearing' is
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
, and is formed with the loanword in Latin from Greek (), which means 'date' (also 'finger'), and with the native Latin , which means 'to bear'. The
fruit
In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering.
Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...
is known as a date. The fruit's English name (through
Old French
Old French (, , ; ) was the language spoken in most of the northern half of France approximately between the late 8th
, through
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
The place of origin of the date palm is uncertain because of long cultivation. According to some sources it probably originated from the Fertile Crescent region straddling Egypt and Mesopotamia while others state that they are native to the Persian Gulf area. Fossil records show that the date palm has existed for at least 50 million years.
Ecology
A major palm pest, the red palm beetle ('' Rhynchophorus ferrugineus''), currently poses a significant threat to date production in parts of the Middle East as well as to iconic landscape specimens throughout the Mediterranean world. Another significant insect pest is '' Ommatissus lybicus'', sometimes called the "dubas bug", whose sap sucking results in sooty mould formation.
In the 1920s, eleven healthy Medjool palms were transferred from Morocco to the United States where they were tended by members of the Chemehuevi tribe in a remote region of Nevada. Nine of these survived and in 1935, cultivars were transferred to the U.S. Date Garden in
Indio, California
Indio (Spanish language, Spanish for "Indian") is a city in Riverside County, California, United States, in the Coachella Valley of Southern California's Colorado Desert region. Indio is approximately east of Los Angeles, east of Palm Springs, ...
. Eventually this stock was reintroduced to Africa and led to the U.S. production of dates in
Yuma, Arizona
Yuma is a city in and the county seat of Yuma County, Arizona, United States. The city's population was 95,548 at the 2020 census, up from the 2010 census population of 93,064.
Yuma is the principal city of the Yuma, Arizona, Metropolitan ...
Dates are a traditional crop throughout the Middle East and North Africa. Dates (especially Medjool and Deglet Nour) are also cultivated in the southwestern United States, and in
Sonora
Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...
and
Baja California
Baja California, officially the Free and Sovereign State of Baja California, is a state in Mexico. It is the northwesternmost of the 32 federal entities of Mexico. Before becoming a state in 1952, the area was known as the North Territory of B ...
in Mexico.
Date palms can take 4 to 8 years after planting before they will bear fruit, and start producing viable yields for commercial harvest between 7 and 10 years. Mature date palms can produce of dates per harvest season. They do not all ripen at the same time so several harvests are required. To obtain fruit of marketable quality, the bunches of dates must be thinned and bagged or covered before ripening so that the remaining fruits grow larger and are protected from weather and animals, such as birds, that also like to eat them.
Date palms require well-drained deep sandy loam soils with a pH of 8–11 (alkaline). The soil should have the ability to hold moisture and also be free of
calcium carbonate
Calcium carbonate is a chemical compound with the chemical formula . It is a common substance found in Rock (geology), rocks as the minerals calcite and aragonite, most notably in chalk and limestone, eggshells, gastropod shells, shellfish skel ...
.
Agricultural history
Dates have been cultivated in the Middle East and the Indus Valley for thousands of years, and there is archaeological evidence of date cultivation in
Mehrgarh
Mehrgarh is a Neolithic archaeological site situated on the Kacchi Plain of Balochistan, Pakistan, Balochistan in Pakistan. It is located near the Bolan Pass, to the west of the Indus River and between the modern-day Pakistani cities of Quetta, ...
, a Neolithic civilization in western Pakistan, around 7000 BCE and in
eastern Arabia
Eastern Arabia () is a region stretched from Basra to Khasab along the Persian Gulf coast and included parts of modern-day Bahrain, Iraq, Kuwait, Oman, Qatar, Saudi Arabia (Eastern Province, Saudi Arabia, Eastern Province), and the United Arab ...
between 5530 and 5320 calBC. Dates have been cultivated since ancient times from Mesopotamia to
prehistoric Egypt
Prehistoric Egypt and Predynastic Egypt was the period of time starting at the first human settlement and ending at the First Dynasty of Egypt around 3100 BC.
At the end of prehistory, "Predynastic Egypt" is traditionally defined as the period ...
. The
ancient Egypt
Ancient Egypt () was a cradle of civilization concentrated along the lower reaches of the Nile River in Northeast Africa. It emerged from prehistoric Egypt around 3150BC (according to conventional Egyptian chronology), when Upper and Lower E ...
ians used the fruits to make date
wine
Wine is an alcoholic drink made from Fermentation in winemaking, fermented fruit. Yeast in winemaking, Yeast consumes the sugar in the fruit and converts it to ethanol and carbon dioxide, releasing heat in the process. Wine is most often made f ...
and ate dates at harvest. Evidence of cultivation is continually found throughout later civilizations in the Indus Valley, including the Harappan period from 2600 to 1900 BCE.
One
cultivar
A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...
orthodox seed
Orthodox seeds are seeds which will survive drying and/or freezing during ''ex situ'' conservation, as opposed to recalcitrant seeds, which will not. According to information from the U.S. Department of Agriculture, there is variation in the ab ...
, which successfully sprouted after accidental storage for 2,000 years. In total seven seeds about 2000 years old have sprouted and turned into trees named Methuselah, Hannah, Adam, Judith, Boaz, Jonah and Uriel. The upper survival time limit of properly stored seeds remains unknown. A genomic study from New York University Abu Dhabi Center for Genomics and Systems Biology showed that domesticated date palm varieties from North Africa, including well-known varieties such as Medjool and Deglet Nour, share large parts of their genome with Middle East date palms and the Cretan wild palms, '' P. theophrasti'', as well as Indian wild palms, '' Phoenix sylvestris''.
An article on date palm tree cultivation is contained in
Ibn al-'Awwam
Ibn al-'Awwam (), also called Abu Zakariya Ibn al-Awwam (), was an Al-Andalus agriculturist who flourished at Seville (modern-day southern Spain) in the later 12th century. He wrote a lengthy handbook on agriculture entitled in Arabic '' Kitāb al ...
's 12th-century agricultural work, ''Book on Agriculture''.
Cultivars
A large number of date cultivars and varieties emerged through history of its cultivation, but the exact number is difficult to assess. Hussain and El-Zeid (1975) have reported 400 varieties, while Nixon (1954) named around 250. Most of those are limited to a particular region, and only a few dozen have attained broader commercial importance. The most renowned cultivars worldwide include Deglet Noor, originally of Algeria; Yahidi and Hallawi of Iraq; Medjool of Morocco; Mazafati of Iran.
Production
In 2022, world production of dates was 9.7 million
tonne
The tonne ( or ; symbol: t) is a unit of mass equal to 1,000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...
s, led by Egypt, Saudi Arabia, and Algeria accounting for 46% of the total (table). In 2010, Atul Limited, a company based in India, announced plans to grow date palms in India on a large scale.
Nutrition
Date palm fruits contain 21% water, 75%
carbohydrate
A carbohydrate () is a biomolecule composed of carbon (C), hydrogen (H), and oxygen (O) atoms. The typical hydrogen-to-oxygen atomic ratio is 2:1, analogous to that of water, and is represented by the empirical formula (where ''m'' and ''n'' ...
s (63% sugars and 8%
dietary fiber
Dietary fiber (fibre in English in the Commonwealth of Nations, Commonwealth English) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical co ...
), 2%
protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...
, and less than 1%
fat
In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food.
The term often refers specif ...
(table). In a reference amount, dates supply of
food energy
Food energy is chemical energy that animals and humans derive from food to sustain their metabolism and muscular activity.
Most animals derive most of their energy from aerobic respiration, namely combining the carbohydrates, fats, and protein ...
, and are a rich source (20% or more of the Daily Value, DV) of
potassium
Potassium is a chemical element; it has Symbol (chemistry), symbol K (from Neo-Latin ) and atomic number19. It is a silvery white metal that is soft enough to easily cut with a knife. Potassium metal reacts rapidly with atmospheric oxygen to ...
(22% DV) and a moderate source of
pantothenic acid
Pantothenic acid (vitamin B5) is a B vitamin and an essential nutrient. All animals need pantothenic acid in order to synthesize coenzyme A (CoA), which is essential for cellular energy production and for the synthesis and degradation of prote ...
,
vitamin B6
Vitamin B6 is one of the B vitamins, and is an essential nutrient for humans. The term essential nutrient refers to a group of six chemically similar compounds, i.e., "vitamers", which can be interconverted in biological systems. Its active f ...
, and the
dietary minerals
In the context of nutrition, a mineral is a chemical element. Some "minerals" are essential for life, but most are not. ''Minerals'' are one of the four groups of essential nutrients; the others are vitamins, essential fatty acids, and essen ...
magnesium
Magnesium is a chemical element; it has Symbol (chemistry), symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 ...
and
manganese
Manganese is a chemical element; it has Symbol (chemistry), symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition m ...
(10–19% DV), with other micronutrients in low amounts (table).
The primary carbohydrates are
monosaccharide
Monosaccharides (from Greek '' monos'': single, '' sacchar'': sugar), also called simple sugars, are the simplest forms of sugar and the most basic units (monomers) from which all carbohydrates are built.
Chemically, monosaccharides are polyhy ...
s, comprising
glucose
Glucose is a sugar with the Chemical formula#Molecular formula, molecular formula , which is often abbreviated as Glc. It is overall the most abundant monosaccharide, a subcategory of carbohydrates. It is mainly made by plants and most algae d ...
(23–30%),
fructose
Fructose (), or fruit sugar, is a Ketose, ketonic monosaccharide, simple sugar found in many plants, where it is often bonded to glucose to form the disaccharide sucrose. It is one of the three dietary monosaccharides, along with glucose and gal ...
sucrose
Sucrose, a disaccharide, is a sugar composed of glucose and fructose subunits. It is produced naturally in plants and is the main constituent of white sugar. It has the molecular formula .
For human consumption, sucrose is extracted and refined ...
content is negligible.
The
glycemic index
The glycemic (glycaemic) index (GI; ) is a number from 0 to 100 assigned to a food, with pure glucose arbitrarily given the value of 100, which represents the relative rise in the blood glucose level two hours after consuming that food. The GI of ...
(GI) for different varieties of the date palm fruit is in the range of 38–71, with 53 on average, indicating dates are a relatively low GI food source. The
glycemic load
The glycemic load (GL) of food is a number that estimates how much the food will raise a person's blood glucose level after it is eaten. One unit of glycemic load approximates the effect of eating one gram of glucose. Glycemic load accounts for ho ...
(GL) value of date palm fruits, calculated for a serving size of three fruits (weighting 27 grams) is 9 on average, indicating that dates have low GL.
Uses
Fruits
Dry or soft dates are eaten out-of-hand, or may be pitted and stuffed with fillings such as
almond
The almond (''Prunus amygdalus'', Synonym (taxonomy)#Botany, syn. ''Prunus dulcis'') is a species of tree from the genus ''Prunus''. Along with the peach, it is classified in the subgenus ''Amygdalus'', distinguished from the other subgenera ...
s,
walnut
A walnut is the edible seed of any tree of the genus '' Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. They are accessory fruit because the outer covering of the fruit is technically an i ...
lemon
The lemon (''Citrus'' × ''limon'') is a species of small evergreen tree in the ''Citrus'' genus of the flowering plant family Rutaceae. A true lemon is a hybrid of the citron and the bitter orange. Its origins are uncertain, but some ...
marzipan
Marzipan is a confectionery, confection consisting primarily of sugar and almond meal (ground almonds), sometimes augmented with almond oil or extract.
It is often made into Confectionery, sweets; common uses are chocolate-covered marzipan and ...
or cream cheese. Pitted dates are also referred to as ''stoned dates''. Partially dried pitted dates may be glazed with glucose syrup for use as a snack food. Dates can also be chopped and used in a range of sweet and savory dishes, from tajines (tagines) in
Morocco
Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...
ka'ak
Ka'ak (; also transliterated kaak) or kahqa is the common Arabic word for cake or biscuit, in its various senses, and can refer to several different types of baked goods produced throughout the Arab world and the Near East. The bread, in Middle ...
'' (types of Arab cookies) and other dessert items. Date nut bread, a type of cake, is very popular in the United States, especially around holidays. Dates are also processed into cubes, paste called '''ajwa'', spread, date syrup or "honey" called "dibs" or '' rub'' in Libya, powder ( date sugar), vinegar or
alcohol
Alcohol may refer to:
Common uses
* Alcohol (chemistry), a class of compounds
* Ethanol, one of several alcohols, commonly known as alcohol in everyday life
** Alcohol (drug), intoxicant found in alcoholic beverages
** Alcoholic beverage, an alco ...
. Vinegar made from dates was a traditional product of the
Middle East
The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq.
The term came into widespread usage by the United Kingdom and western Eur ...
. Recent innovations include
chocolate
Chocolate is a food made from roasted and ground cocoa beans that can be a liquid, solid, or paste, either by itself or to flavoring, flavor other foods.
Cocoa beans are the processed seeds of the cacao tree (''Theobroma cacao''); unprocesse ...
-covered dates and products such as sparkling date juice, used in some Islamic countries as a non-alcoholic version of
champagne
Champagne (; ) is a sparkling wine originated and produced in the Champagne wine region of France under the rules of the appellation, which demand specific vineyard practices, sourcing of grapes exclusively from designated places within it, spe ...
, for special occasions and religious times such as
Ramadan
Ramadan is the ninth month of the Islamic calendar. It is observed by Muslims worldwide as a month of fasting (''Fasting in Islam, sawm''), communal prayer (salah), reflection, and community. It is also the month in which the Quran is believed ...
. When Muslims break fast in the evening meal of Ramadan, it is traditional to eat a date first.
Reflecting the maritime trading heritage of Britain, imported chopped dates are added to, or form the main basis of a variety of traditional dessert recipes including sticky toffee pudding, Christmas pudding and date and walnut loaf. They are particularly available to eat whole at
Christmas
Christmas is an annual festival commemorating Nativity of Jesus, the birth of Jesus Christ, observed primarily on December 25 as a Religion, religious and Culture, cultural celebration among billions of people Observance of Christmas by coun ...
time. Dates are one of the ingredients of HP Sauce, a popular British condiment.
In Southeast Spain (where a large date plantation exists including
UNESCO
The United Nations Educational, Scientific and Cultural Organization (UNESCO ) is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) with the aim of promoting world peace and International secur ...
-protected Palmeral of Elche) dates (usually pitted with fried almond) are served wrapped in
bacon
Bacon is a type of Curing (food preservation), salt-cured pork made from various cuts of meat, cuts, typically the pork belly, belly or less fatty parts of the back. It is eaten as a side dish (particularly in breakfasts), used as a central in ...
and shallow-fried. In Palestine date syrup, termed ''silan'', is used while cooking chicken and also for sweets and desserts, and as a honey substitute. Dates are one of the ingredients of '' jallab'', a Middle Eastern fruit syrup. In Pakistan, a viscous, thick syrup made from the ripe fruits is used as a coating for leather bags and pipes to prevent leaking.
Forks
In the past, sticky dates were served using specialized small forks having two metal tines, called '' daddelgaffel'' in Scandinavia. Some designs were patented. These have generally been replaced by an inexpensive pale-colored knobbled plastic fork that resembles a date branch, which is traditionally included with numerous brands of prepackaged trays of dates, though this practice has declined in response to increased use of resealable packaging and calls for fewer single-use plastics.
Seeds
Date seeds are soaked and ground up for
animal feed
Animal feed is food given to domestic animals, especially livestock, in the course of animal husbandry. There are two basic types: fodder and forage. Used alone, the word ''feed'' more often refers to fodder. Animal feed is an important input ...
. Their oil is suitable for use in cosmetics and dermatological applications. The oil contains lauric acid (36%) and
oleic acid
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish due to the presence of impurities. In chemical terms, oleic acid is cl ...
(41%). Date palm seeds contain 0.56–5.4% lauric acid. They can also be processed chemically as a source of oxalic acid. Date seeds are also ground and used in the manner of
coffee
Coffee is a beverage brewed from roasted, ground coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content, but decaffeinated coffee is also commercially a ...
beans, or as an additive to coffee. Experimental studies have shown that feeding mice with the
aqueous
An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula. For example, a solution of table salt, also known as sodium chloride (NaCl), in wat ...
extract
An extract (essence) is a substance made by extracting a part of a raw material, often by using a solvent such as ethanol, oil or water. Extracts may be sold as tinctures or absolutes or dried and powdered.
The aromatic principles of ma ...
Stripped fruit clusters are used as brooms. Recently, the floral stalks have been found to be of ornamental value in households.
Sap
Apart from ''P. dactylifera'', wild date palms such as '' Phoenix sylvestris'' and ''
Phoenix reclinata
''Phoenix reclinata'' (''reclinata'' - Latin, reclining), the wild date palm or Senegal date palm, is a species of flowering plant in the Arecaceae, palm family native to tropical Africa, the Arabian Peninsula and Madagascar. It is introduced in ...
'', depending on the region, can be also tapped for sap.
The consumption of raw date palm sap is one of the means by which the deadly Nipah virus spreads from bats to humans. The virus can be inactivated by boiling the sap down to molasses. (In
Malaysia
Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...
, by contrast,
the vector was found to be factory farming of
pigs
The pig (''Sus domesticus''), also called swine (: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus '' Sus''. Some authorities cons ...
.)
Leaves
In North Africa, date palm leaves are commonly used for making huts. Mature leaves are also made into mats, screens, baskets, and fans. Processed leaves can be used for insulating board. Dried leaf petioles are a source of
cellulose
Cellulose is an organic compound with the chemical formula, formula , a polysaccharide consisting of a linear chain of several hundred to many thousands of glycosidic bond, β(1→4) linked glucose, D-glucose units. Cellulose is an important s ...
pulp, used for walking sticks, brooms, fishing floats, and fuel. Leaf sheaths are prized for their scent, and fibre from them is also used for rope, coarse cloth, and large hats.
Young date leaves are cooked and eaten as a vegetable, as is the terminal bud or heart, though its removal kills the palm. The finely ground seeds are mixed with
flour
Flour is a powder made by Mill (grinding), grinding raw grains, List of root vegetables, roots, beans, Nut (fruit), nuts, or seeds. Flours are used to make many different foods. Cereal flour, particularly wheat flour, is the main ingredie ...
to make bread in times of scarcity. The flowers of the date palm are also edible. Traditionally the female flowers are the most available for sale and weigh . The flower buds are used in salad or ground with dried fish to make a
condiment
A condiment is a preparation that is added to food, typically after cooking, to enhance the Flavoring, flavour, to complement the dish or to impart a specific flavor. Such specific flavors generally add sweetness or pungency, or sharp or piquant ...
for bread.
In culture
In
Ancient Rome
In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Em ...
, the palm fronds used in Roman triumph, triumphal processions to symbolize victory were most likely those of ''P. dactylifera''. The date palm was a popular garden plant in Roman peristyle gardens, though it would not bear fruit in the more temperate climate of Italy. It is recognizable in frescoes from Pompeii and elsewhere in Italy, including a garden scene from the House of the Wedding of Alexander. In later times, traders spread dates around southwest Asia, northern Africa, and Spain. Dates were introduced into California by the Spaniards by 1769, existing by then around Mission San Diego de Alcalá, and were introduced to Mexico as early as the 16th century.
Dates are mentioned more than 50 times in the Bible and 20 times in the Quran. Date palms holds great significance in Abrahamic religions. The tree was heavily cultivated as a food source in History of ancient Israel and Judah, ancient Israel where Judaism and subsequently Christianity developed. Date palm leaves are used for Palm Sunday in the Christian religion.
Many Jewish scholars believe that the "honey" reference in Exodus chapter 3 to "a land flowing with milk and honey" is actually a reference to date "honey", and not honey from bees. In the Torah, palm trees are referenced as symbols of prosperity and triumph. Psalm 92:12 states that "The righteous shall flourish like the palm tree." Palm branches occurred as iconography in sculpture ornamenting the Second Jewish Temple in Jerusalem, on Jewish coins, and in the sculpture of synagogues. They are also used as ornamentation in the Feast of the Tabernacles. Date palms are one of the Seven Species, seven species of native Israeli plants revered in Judaism. The date palm has historically been considered a symbol of Judea (Roman province), Judea and the Jewish people. The leaves are used as a lulav in the Jewish holiday of Sukkot. They are also commonly used as the s'chach in the construction of a sukkah.
In the Quran, Allah instructs ''Maryām'' (the Virgin Mary) to eat dates during labour pains when she gives birth to Isa (Jesus). In Islamic culture, dates and yogurt or milk are traditionally the first foods consumed for Iftar after the sun has set during
Ramadan
Ramadan is the ninth month of the Islamic calendar. It is observed by Muslims worldwide as a month of fasting (''Fasting in Islam, sawm''), communal prayer (salah), reflection, and community. It is also the month in which the Quran is believed ...
.
In Mandaeism, the date palm (Mandaic language, Mandaic: , which can refer to both the tree and its fruit) symbolizes the cosmic tree and is often associated with the cosmic wellspring (Mandaic language, Mandaic: ). The date palm, associated with masculinity, and wellspring, associated with femininity, are often mentioned together as heavenly symbols in Mandaean texts.
Gallery
File:Dried date, peach, apricot, and stones. From Lahun, Fayum, Egypt. Late Middle Kingdom. The Petrie Museum of Egyptian Archaeology, London.jpg, Dried date, peach, and apricot from Lahun, Fayum, Egypt. Late Middle Kingdom of Egypt, Middle Kingdom
File:Emblem of Saudi Arabia.svg, Date palm in the emblem of Saudi Arabia
File:Date palm cutting growing on the trunk.jpg, Date palm cutting growing on the trunk
Image:Date-seller.jpg, Date seller in the old souq in Kuwait City
File:Abu Dhabi – Corniche 3 - أبو ظبي - الكورنيش - panoramio.jpg, Palm trees and other trees in the middle of the road (Abu Dhabi, Middle East).
References
External links
Date palm products (additional information from the FAO)
{{Authority control
Date palm,
Desert fruits
Drought-tolerant trees
Edible palms
Garden plants of Africa
Garden plants of Asia
Ornamental trees
Phoenix (plant), dactylifera
Plants described in 1753, Date palm
Trees of Africa
Tropical agriculture
Fruit trees
Plants in the Bible