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Procyanidins
Procyanidins are members of the proanthocyanidin (or condensed tannins) class of flavonoids. They are oligomeric compounds, formed from catechin and epicatechin molecules. They yield cyanidin when depolymerized under oxidative conditions. See the box below entitled "Types of procyanidins" for links to articles on the various types. Distribution in plants Procyanidins, including the lesser bioactive / bioavailable polymers (4 or more catechines), represent a group of condensed flavan-3-ols that can be found in many plants, most notably apples, maritime pine bark, cinnamon, aronia fruit, cocoa beans, grape seed, grape skin, and red wines of ''Vitis vinifera'' (the common grape). However, bilberry, cranberry, black currant, green tea, black tea, and other plants also contain these flavonoids.USDA, August 2004USDA Database for the Proanthocyanidin Content of Selected Foods PDF summary accessed from main USDA pag Page accessed July 31, 2015 Procyanidins can also be isolated fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bilberry
Bilberries (), or sometimes European blueberries, are a primarily Eurasian species of low-growing shrubs in the genus ''Vaccinium'' (family Ericaceae), bearing edible, dark blue berries. The species most often referred to is '' Vaccinium myrtillus'' L., but there are several other closely related species. Etymology and common names The name "bilberry" appears to have a Scandinavian origin, possibly from as early as 1577, being similar to the Danish word ''bølle'' for whortleberry with the addition of "berry". In Scandinavian languages bilberries have names that translate to "blueberry": ''blåbär'' in Swedish and ''blåbær'' in Danish and Norwegian. The bilberry (especially '' Vaccinium myrtillus'') is also known by a number of other names including blaeberry in Scottish and Northern English regional dialects and the Scots language, whortleberry in southern England, and w(h)imberry or w(h)inberry in Derbyshire, Lancashire, along the Anglo-Welsh border, and south Wal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Testa (botany)
A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm plants. Seeds are the product of the ripened ovule, after the embryo sac is fertilized by sperm from pollen, forming a zygote. The embryo within a seed develops from the zygote, and grows within the mother plant to a certain size before growth is halted. The seed coat arises from the integuments of the ovule. Seeds have been an important development in the reproduction and success of vegetable gymnosperm and angiosperm plants, relative to more primitive plants such as ferns, mosses and liverworts, which do not have seeds and use water-dependent means to propagate themselves. Seed plants now dominate biological niches on land, from forests to grasslands both in hot and cold climates. The term "seed" also has a general meaning th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Granny Smith
The Granny Smith, also known as a green apple or sour apple, is an apple cultivar which originated in Australia in 1868. It is named after Maria Ann Smith, who propagated the cultivar from a chance seedling. The tree is thought to be a hybrid of '' Malus sylvestris'', the European wild apple, with the domesticated apple ''Malus domestica'' as the polleniser. The fruit is hard, firm and with a light green skin and crisp, juicy flesh. The flavour is tart and acidic. It remains firm when baked, making it a popular cooking apple used in pies, where it can be sweetened. The apple goes from being completely green to turning yellow when overripe. The US Apple Association reported in 2019 that the Granny Smith was the third most popular apple in the United States of America. History The Granny Smith cultivar originated in Eastwood, New South Wales, Australia (now a suburb of Sydney) in 1868. Its discoverer, Maria Ann Smith (née Sherwood), had emigrated to the district from Beckle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Delicious
Red Delicious is a type of apple with a red exterior and sweet taste that was first recognized in Madison County, Iowa, in 1872. Today, the name ''Red Delicious'' comprises more than 50 cultivars. From 1968 to 2018, it was the most produced cultivar in the United States. Gala became the most produced after that. History The 'Red Delicious' originated at an orchard in 1872 as "a round, blushed yellow fruit of surpassing sweetness". Stark Nurseries held a competition in 1892Leona (Lee) Novy Jackson, "Delicious Apples and Their History", ''Apples, Apples Everywhere—Favorite Recipes From America's Orchards''. . Images Unlimited Publishing. Maryville, MO. to find an apple to replace the 'Black Ben Davis' apple. The winner was a red and yellow striped apple sent by Jesse Hiatt, a farmer in Peru, Iowa, who called it "Hawkeye". Stark Nurseries bought the rights from Hiatt, renamed the variety "Stark Delicious", and began propagating it. Another apple tree, later named the 'Golden ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oligomer
In chemistry and biochemistry, an oligomer () is a molecule that consists of a few repeating units which could be derived, actually or conceptually, from smaller molecules, monomers.Quote: ''Oligomer molecule: A molecule of intermediate relative molecular mass, the structure of which essentially comprises a small plurality of units derived, actually or conceptually, from molecules of lower relative molecular mass.'' The name is composed of Greek elements '' oligo-'', "a few" and '' -mer'', "parts". An adjective form is ''oligomeric''. The oligomer concept is contrasted to that of a polymer, which is usually understood to have a large number of units, possibly thousands or millions. However, there is no sharp distinction between these two concepts. One proposed criterion is whether the molecule's properties vary significantly with the removal of one or a few of the units. An oligomer with a specific number of units is referred to by the Greek prefix denoting that number, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Açaí Palm
The açaí palm (, , from Nheengatu ''asai''), '' Euterpe oleracea,'' is a species of palm tree (Arecaceae) cultivated for its fruit (açaí berries, or simply açaí), hearts of palm (a vegetable), leaves, and trunk wood. Global demand for the fruit has expanded rapidly in the 21st century, and the tree is cultivated for that purpose primarily. The species is native to eastern Amazonia, especially in Brazil, mainly in swamps and floodplains. Açaí palms are tall, slender trees growing to more than tall, with pinnate leaves up to long. The fruit is small, round, and black-purple in color. The fruit became a staple food in floodplain areas around the 18th century, but its consumption in urban areas and promotion as a health food only began in the mid 1990s along with the popularization of other Amazonian fruits outside the region. Name The common name comes from the Portuguese adaptation of the Tupian word ', meaning " ruit thatcries or expels water". The importance o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Açaí Oil
Açaí oil is obtained from the fruit of ''Euterpe oleracea'' (açaí palm), which grows in the Amazon rainforest. The oil is rich in phenolic compounds similar in profile to the pulp itself, such as vanillic acid, syringic acid, p-hydroxybenzoic acid, protocatechuic acid and ferulic acid as well as (+)-catechin and numerous procyanidin oligomers. Açai oil is green in color and has a bland aroma. It is high in oleic and palmitic fatty acids (table). Uses Açai oil is widely used for cooking and as a salad dressing. In cosmetics, it is used in shampoos, soaps and skin moisturizers. Source: See also *Açaí palm The açaí palm (, , from Nheengatu ''asai''), '' Euterpe oleracea,'' is a species of palm tree (Arecaceae) cultivated for its fruit (açaí berries, or simply açaí), hearts of palm (a vegetable), leaves, and trunk wood. Global demand for t ... References Vegetable oils Cooking oils Açaí Crops originating from Brazil {{vegetable-oil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oak (wine)
Oak is used in winemaking to vary the color, flavor, tannin profile and texture of wine. It can be introduced in the form of a barrel during the fermentation or aging periods, or as free-floating chips or staves added to wine fermented in a vessel like stainless steel. Oak barrels can impart other qualities to wine through evaporation and low level exposure to oxygen.J. Robinson ''Jancis Robinson's Wine Course'' Third Edition pg 91-93 Abbeville Press 2003 History In early wine history, the amphora was the vessel of choice for the storage and transportation of wine. Due to the perishable nature of wood material it is difficult to trace the usage of barrels in history. The Greek historian Herodotus noted that ancient Mesopotamians used barrels made of palm wood to transport wine along the Euphrates. Palm is a difficult material to bend and fashion into barrels, however, and wine merchants in different regions experimented with different wood styles to find a better wood s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quercus Robur
''Quercus robur'', commonly known as common oak, pedunculate oak, European oak or English oak, is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe west of the Caucasus. It is widely cultivated in temperate regions elsewhere and has escaped into the wild in scattered parts of China and North America. Description ''Quercus robur'' is a large deciduous tree, with circumference of grand oaks from to an exceptional . The Majesty Oak with a circumference of is the thickest tree in Great Britain. The Brureika (Bridal Oak) in Norway with a circumference of (2018) and the Kaive Oak in Latvia with a circumference of are among the thickest trees in Northern Europe. The largest historical oak was known as the Imperial Oak from Bosnia and Herzegovina. This specimen was recorded at 17.5 m in circumference at breast height and estimated at over 150 m³ in total volume. It collapsed in 1998. The species has lobed and nea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quercus Petraea
''Quercus petraea'', commonly known as the sessile oak, Cornish oak, Irish Oak or durmast oak, is a species of oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of Ireland, and an unofficial emblem in Wales and Cornwall. Description The sessile oak is a large deciduous tree up to tall, in the white oak section of the genus (''Quercus'' sect. ''Quercus'') and similar to the pedunculate oak (''Q. robur''), with which it overlaps extensively in range. The leaves are long and broad, evenly lobed with five to six lobes on each side and a petiole. The male flowers are grouped into catkins, produced in the spring. The fruit is an acorn long and broad, which matures in about six months. Comparison with pedunculate oak Significant botanical differences from pedunculate oak (''Q. robur'') include the stalked leaves, and the stalkless (sessile) acorns from which one of its common names is derived. It occurs in up ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black Tea
Black tea, also translated to red tea in various East Asian languages, is a type of tea that is more oxidized than oolong, yellow, white and green teas. Black tea is generally stronger in flavour than other teas. All five types are made from leaves of the shrub (or small tree) ''Camellia sinensis,'' though '' Camellia taliensis'' is also used rarely. Two principal varieties of the species are used – the small-leaved Chinese variety plant (''C. sinensis'' var. ''sinensis''), used for most other types of teas, and the large-leaved Assamese plant (''C. sinensis'' var. ''assamica''), which was traditionally mainly used for black tea, although in recent years some green and white teas have been produced. First originating in China, the beverage's name there is ''hong cha'' (, "red tea") due to the color of the oxidized leaves when processed appropriately. Today, the drink is widespread throughout East and Southeast Asia, both in consumption and harvesting, including in China, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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