Gallic Acid

Gallic Acid

Gallic Acid is a naturally occurring phenolic acid with application in a variety of segments. It can be used in foods, beverage, nutrition and industrial applications. It is often used as an intermediate to make Galloylated Esters.



Technical Data

Gallic acid is a well known and naturally occurring phenolic acid with a wide range of applications. It is found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants. It is used in food production as an antioxidant, in tanning, ink dyes, and the manufacture of paper. It can also be used to make a variety of downstream products.

Gallic acid is typically made from the freeing of gallotannins in gallnuts (Chinese Cumac) by acidic or alkaline hydrolysis. Because the raw material base is in China, almost all real Gallic Acid production is done in China.

Gallic acid has a variety of health benefits, including anti-fungal and anti-viral properties. It acts as an antioxidant and has been found to show cytotoxicity against cancer cells. Gallic acid is used as a remote astringent in cases of internal haemorrhage. And is used to treat albuminuria and diabetes. Some ointments to treat psoriasis and external haemorrhoids contain gallic acid. Gallic acid is also used for making dyes and inks.

Gallic Acid has applications in medicine for human and in veterinary pharmaceuticals. It is used in food production, in beer and wine and a food additive.It can be found in spices, extracts, colorings, flavors and other products added to food for human consumption such as flavorings in foods, including condiments and seasonings.

Gallic Acid has a range of deviate, including it esters. Galloylated esters derived from Gallic Acid include the following:
Methyl gallate
Ethyl gallate, a food additive
Propyl gallate, or propyl 3,4,5-trihydroxybenzoate, an ester formed by the condensation of gallic acid and propanol
Octyl gallate, the ester of octanol and gallic acid
Dodecyl gallate, or lauryl gallate, the ester of dodecanol and gallic acid
Epicatechin gallate, a flavan-3-ol, a type of flavonoid, present in green tea
Epigallocatechin gallate (EGCG), also known as epigallocatechin 3-gallate, the ester of epigallocatechin and gallic acid, and a type of catechin
Gallocatechin gallate (GCG), the ester of gallocatechin and gallic acid and a type of flavan-3ol
Theaflavin-3-gallate, a theaflavin derivative

Formula: C7H6O5

Appearance: White, yellowish-white, or pale fawn-colored crystals.

Also known as: 3,4,5-Trihydroxybenzoic acid,

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