Patent ID: 8524768

Claim:
An antioxidant composition for the treatment or prophylaxis of an illness associated with oxidative stress, the composition comprising: a chemical reaction product comprising a complex comprising a metal, rutin and at least one of ascorbic acid and dehydroascorbic acid, the complex represented by the general formula (I): Me m Ru(AA) r (DGAA) p -X n (I), wherein Me is a cation of a metal selected from the group consisting of iron, copper, zinc and manganese; Ru is rutin; AA is ascorbic acid; DGAA is dehydroascorbic acid; X is selected from the group consisting of SO 4 −2 , CH 3 C(O)O − and − OOC—CH 2 —C(OH)(COO − )—CH 2 —COO − , m is a value from 1.0 to 3; n is a value from 0.7 to 9; and p/(r+p) is a value from 0 to 1, and each of p and r is a value of 0 to 0.5, provided that when p=0 then r is not equal to 0, and when r=0 then p is not equal to 0.