Hydrolysable tannins and myricetin derivatives possessed potent DPPH free radical scavenging activities, and only myricitrin showed weak tyrosinase- inhibiting activity.
结果显示水解单宁和杨梅素衍生物具有较强的自由基清除活性，杨梅苷显示出微弱的酪氨酸酶抑制活性。
2
The process of preparing myricitrin from vine tea and other ampelopsis belongs to the field of technology of extracting effective component from natural medicine material.