| abstract |
(57) The present invention provides an antioxidant composition for preventing and / or reducing oxidation of a substance, comprising a cyclic compound having the formula (I) or a derivative thereof, wherein R 1 And R 2 are independently selected from —OH, ＯO, wherein R 3 is a substituent containing an —OH group; and wherein R 4 and R 5 are other than H Provided that the compound is other than ascorbic acid. The invention also provides a process for preventing and / or reducing the oxidation of a substance, and the use of the compound. |