It is a derivative of both caffeic acid and tartaric acid.
For example, tartaric acid, a compound found in wine, has a systematic name of 2,3-dihydroxybutanedioic acid.
The degradation of malic acid during ripening makes tartaric acid the predominant acid; grape berries also possess a small amount of citric acid.
Like tartaric acid, calcium tartrate has two asymmetric carbons, hence it has two chiral isomers and a non-chiral isomer (meso-form).
It is composed of a mixture of tartaric acid, sodium bicarbonate, and potassium sodium tartrate, and is used as a mild cathartic by dissolving it in water and drinking.
He studied its pathology, confirming that the worms in the circulatory system could be cured by intravenous tartaric acid.
The solubility of caffeine in water increases with temperature and with the addition of chlorogenic acids, citric acid, or tartaric acid, all of which are present in green coffee beans.
Caftaric acid is formed when caffeic acid and tartaric acid undergo esterification.
