pyrone$65890$ - ترجمة إلى إيطالي
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pyrone$65890$ - ترجمة إلى إيطالي

CHEMICAL COMPOUND
2-hydroxymethyl-5-hydroxy-γ-pyrone; 5-hydroxy-2-(hydroxymethyl)-4-pyrone

pyrone      
n. pirone (sostanza chimica)

تعريف

Pyrone
·add. ·noun An unsaturated cyclic compound, C5H4O2, of which two varieties are known, / and /. /-pyrone is the parent substance of several natural yellow dyestuffs.

ويكيبيديا

Kojic acid

Kojic acid is an organic compound with the formula HOCH2C5H2O2OH. It is a derivative of 4-pyrone that functions in nature as a chelation agent produced by several species of fungi, especially Aspergillus oryzae, which has the Japanese common name koji. Kojic acid is a by-product in the fermentation process of malting rice, for use in the manufacturing of sake, the Japanese rice wine. It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It forms a bright red complex with ferric ions.