| 摘要 |
The present invention relates to new benzene polycarboxylic acids compound, which is prepared by alkaline oxidation of hydrolyzed lignin. The present invention also relates to the use of the new benzene polycarboxylic acids compound as part of a composite substance, where the composite substance is prepared by complexing or encapsulating the new benzene polycarboxylic acid compounds with a metal cation. The present invention also relates to a method for preparing the new benzene polycarboxylic acids compound and for its use in cosmetic, nutraceutical and pharmaceutical compositions. |
