(biochemistry) The acidic secretion of the stomach; mostly hydrochloric acid.

plural of acidity regulator

(pharmacology) (3-amino-1-hydroxy-1-phosphono-)phosphonic acid—a bisphosphonate drug to inhibit bone loss.

A polyphenol antioxidant found in numerous fruits and vegetables including raspberries, strawberries, cranberries, walnuts, pecans, pomegranates and other plant foods.

(biochemistry) An isoxazole present in Amanita fungi, used as an insecticide.

(organic chemistry) A white crystalline acid, tetrahydroxy-cyclohexanecarboxylic acid, obtained from cinchona bark, coffee beans and yerba mate; used as an astringent, and in the synthesis of pharmaceuticals

(organic chemistry) A heterocyclic carboxylic acid, furan-2-carboxylic acid, obtained by the oxidation of furfural.

(organic chemistry) An aromatic dicarboxylic acid, benzene-1,4-dicarboxylic acid, used in the manufacture of polyesters

(organic chemistry) Any of several halogenated boronic acids that are used as intermediates in the synthesis of many organic compounds

(organic chemistry) A nucleotide found in RNA. It is an ester of phosphoric acid with the nucleoside adenosine. It consists of a phosphate group, a pentose sugar ribose, and the nucleobase adenine.