Tetrahydrocurcumin (CAS: 36062-04-1) is the primary metabolite of curcumin and a reduced form of the active component found in turmeric (Curcuma longa). With ​superior antioxidant, anti-inflammatory, and neuroprotective​ activity compared to curcumin, it was designated as GRAS (Generally Recognized as Safe) by the FDA in 2023 and approved as a food antioxidant (E 100(iii)) by the European EFSA. China's National Health Commission included it in the food additive directory (GB 2760-2022) in 2022.

Product Name: Tetrahydrocurcumin

IUPAC Name: (1E,6E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-4-heptadione

CAS No.​: 36062-04-1