| abstract |
Disclosed are antioxidative, natural compounds, their salts, chelates and cleavage derivatives that exhibit a superior combination of properties. The compounds can be used for a variety of purposes, including stabilizing foods, cosmetics, beverages and nutritional supplement. The compounds can be prepared by substantially cleaving a humic acid of formula (I) to provide at least one antioxidant compounds of formula (II), formula (III), formula (IV), formula (V), formula (VI), salts, or chelates thereof. |