| 摘要 |
The invention concerns a method for extracting a biological antioxidant form a plant of the pentadiplandraceae family genus Pentadiplandra brazzeana, brazzeana variety. The analysis of said biological oxidant has shown that said molecule is N,N'-dibenzylthiourea. The extraction of synthesis of said molecule should be carried out without any contact with oxygen to avoid destruction of said active sites by oxygen. The preservation in hydroalcoholic solution of N,N'-dibenzylthiourea when it is extracted from Pentadiplandra brazzeana, a brazzeana variety or its synthesis in laboratory enables preservation of the active sites of said substance, of (-NH_) groups from which those pharmacological properties are derived.
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