Gallocatechol or gallocatechin (GC) is a
flavan-3-ol, a type of chemical compound including
catechin, with the gallate residue being in an
isomeric trans position.
This compound possesses two
epimers. The most common, (+)-gallocatechin (GC), CAS number 970-73-0, is found notably in
green tea
Green tea is a type of tea that is made from '' Camellia sinensis'' leaves and buds that have not undergone the same withering and oxidation process which is used to make oolong teas and black teas. Green tea originated in China, and since the ...
. The other enantiomer is called (-)-gallocatechin or ''ent''-gallocatechin. It was first isolated from green tea by
Michiyo Tsujimura
was a Japanese agricultural scientist and biochemist whose research focused on the components of green tea. She was the first woman in Japan to receive a doctoral degree in agriculture.
Early life
Tsujimura was born in 1888 in what is now Ok ...
in 1934.
Epigallocatechin is another type of catechin, with the gallate residue being in an
isomeric cis position. It can be found in
St John's wort.
See also
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Epigallocatechin gallate
Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin.
EGCG – the most abundant catechin in tea – is a polyphenol under basic research for its ...
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Prodelphinidin
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List of phytochemicals in food
References
External links
Epigallocatechin on the Sigma-Aldrich websiteGallocatechin on the Sigma-Aldrich website
{{GHBergics
Flavanols
CB1 receptor agonists
GABAA receptor positive allosteric modulators
GHB receptor agonists