Dry cocoa solids are the components of

cocoa bean The cocoa bean, also known as cocoa () or cacao (), is the dried and fully fermented seed of ''Theobroma cacao'', the cacao tree, from which cocoa solids (a mixture of nonfat substances) and cocoa butter (the fat) can be extracted. Cacao tree ...

s remaining after

cocoa butter Cocoa butter, also called theobroma oil, is a pale-yellow, edible Vegetable oil, fat extracted from the cocoa bean (''Theobroma cacao''). It is used to make chocolate, as well as some ointments, toiletries, and pharmaceuticals. Cocoa butter h ...

, the fatty component of the bean, is extracted from

chocolate liquor Chocolate liquor, also called cocoa liquor, paste or mass, is pure cocoa in liquid or semi-solid form. It is produced from cocoa bean nibs that have been fermented, dried, roasted, and separated from their skins. The nibs are ground to the point ...

, roasted cocoa beans that have been ground into a liquid state. Cocoa butter is 46% to 57% of the weight of cocoa beans and gives chocolate its characteristic melting properties. Cocoa powder is the powdered form of the dry solids with a small remaining amount of cocoa butter. Untreated cocoa powder is bitter and acidic. Dutch process cocoa has been treated with an alkali to neutralize the acid. Cocoa powder contains

flavanol Flavan-3-ols (sometimes referred to as flavanols) are a subgroup of flavonoids. They are derivatives of flavans that possess a 2-phenyl-3,4-dihydro-2''H''-chromen-3-ol skeleton. Flavan-3-ols are structurally diverse and include a range of comp ...

s, amounts of which are reduced if the cocoa is subjected to acid-reducing alkalization. Other definitions of cocoa solids, especially legal ones, include all cocoa ingredients (cocoa mass, cocoa powder and cocoa butter). In this case, cocoa solids without cocoa butter are specified as non-fat cocoa solids.

Production

Cocoa solids are what remains after

is pressed from

. The liquor manufacturers choose to press is often of acidic beans they consider lower quality.

Physical properties

Natural cocoa

Natural cocoa powder is extracted with the

Broma process In chocolate making, the Broma process is a method of extracting cocoa butter from roasted cocoa beans, credited to an employee working for the chocolatier Domingo Ghirardelli. The Broma process involves hanging bags of chocolate liquor, made fr ...

where after the cocoa fats have been removed from the chocolate nibs the remaining dry cocoa beans are ground into cocoa powder, which is sold to consumers. Natural cocoa powder has a light-brown color and an extractable pH of 5.3 to 5.8.Materials Handled Cocoa Powder: Overview
. Retrieved: 2 April 2014. Because of its acidity, natural cocoa is often paired in recipes with

baking soda Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate), commonly known as baking soda or bicarbonate of soda (or simply “bicarb” especially in the UK) is a chemical compound with the formula NaHCO3. It is a salt (chemistry), salt compose ...

(sodium bicarbonate). This neutralizes the acidity and creates carbon dioxide which in cakes helps them rise.

Dutch process cocoa

Dutch process cocoa or Dutched cocoa is cocoa powder that has been treated with an

alkali In chemistry, an alkali (; from the Arabic word , ) is a basic salt of an alkali metal or an alkaline earth metal. An alkali can also be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. The a ...

zing agent to modify its color, neutralize its pH and give it a milder taste compared to natural cocoa. It forms the basis for much of modern

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 ...

, and is used in

ice cream Ice cream is a frozen dessert typically made from milk or cream that has been flavoured with a sweetener, either sugar or an alternative, and a spice, such as Chocolate, cocoa or vanilla, or with fruit, such as strawberries or peaches. Food ...

hot chocolate Hot Chocolate are a British soul band formed by Errol Brown and Tony Wilson. The group had at least one hit song every year on the UK Singles Chart from 1970 to 1984. Their hits include " You Sexy Thing", a UK number two which also made ...

, and baking. The alkalization process reduces bitterness and improves solubility, which is important for beverage product applications. Alkalizing agents employed vary, but include

potassium carbonate Potassium carbonate is the inorganic compound with the formula . It is a white salt, which is soluble in water and forms a strongly alkaline solution. It is deliquescent, often appearing as a damp or wet solid. Potassium carbonate is mainly used ...

and

sodium carbonate Sodium carbonate (also known as washing soda, soda ash, sal soda, and soda crystals) is the inorganic compound with the formula and its various hydrates. All forms are white, odourless, water-soluble salts that yield alkaline solutions in water ...

Nutrition

Cocoa powder is 58%

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, 14%

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 ...

, 20%

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 3% water (table). It contains several minerals in rich content (having a

Daily Value In the U.S. and Canada, the Reference Daily Intake (RDI) is used in nutrition labeling on food and dietary supplement products to indicate the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97� ...

of 20% or higher), including

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 ...

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 ...

phosphorus Phosphorus is a chemical element; it has Chemical symbol, symbol P and atomic number 15. All elemental forms of phosphorus are highly Reactivity (chemistry), reactive and are therefore never found in nature. They can nevertheless be prepared ar ...

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 ...

iron Iron is a chemical element; it has symbol Fe () and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of Earth's o ...

, and

zinc Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic tabl ...

, while

calcium Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to it ...

levels are moderate (table).

Flavonoids

Cocoa powder is rich in

flavonoid Flavonoids (or bioflavonoids; from the Latin word ''flavus'', meaning yellow, their color in nature) are a class of polyphenolic secondary metabolites found in plants, and thus commonly consumed in the diets of humans. Chemically, flavonoids ...

s (especially

flavan-3-ol Flavan-3-ols (sometimes referred to as flavanols) are a subgroup of flavonoids. They are derivatives of flavans that possess a 2-phenyl-3,4-dihydro-2''H''-chromen-3-ol skeleton. Flavan-3-ols are structurally diverse and include a range of compo ...

s), a subset of

polyphenol Polyphenols () are a large family of naturally occurring phenols. They are abundant in plants and structurally diverse. Polyphenols include phenolic acids, flavonoids, tannic acid, and ellagitannin, some of which have been used historically as ...

s. The amount of flavonoids depends on the amount of processing and manufacturing the cocoa powder undergoes. Alkalization, also known as Dutch processing, causes its content of flavonoids to be substantially reduced.

Safety

Cadmium content

Cocoa powders may contain

cadmium Cadmium is a chemical element; it has chemical symbol, symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12 element, group 12, zinc and mercury (element), mercury. Like z ...

, a toxic heavy metal and probable

carcinogen A carcinogen () is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruse ...

, found naturally in high levels in the soil of some regions of cocoa-producing countries. The

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...

has imposed a limit (as of 1 January 2019) for cadmium in cocoa powder of 0.6 μg per gram of cocoa powder and 0.8 μg per gram for chocolate with ≥ 50% total dry cocoa solids. In Canada, a daily serving of a natural health product must contain no more than 6 μg of cadmium for an individual weighing and 3 μg for a individual. While the US government has not set a limit for cadmium in foods or health products, the

state of 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 ...

has established a maximum allowable daily level of oral cadmium exposure of 4.1 μg and requires products containing more than this amount per daily serving to bear a warning on the label. One investigation by an independent consumer testing laboratory found that seven of nine commercially available in the US cocoa powders and nibs selected for testing contained more than 0.3 μg of cadmium per serving gram; five of these products exceeded the EU limit of 0.6 μg per gram.

References

External links

* {{Authority control Components of chocolate Food powders az:Kakao