太白楤木中齐墩果酸的动态含量测定

Dynamic Assay of Oleanolic Acid in Aralia taibaiensis Z. Z. Wang et H. C. Zheng

齐墩果酸的动态含量测定结果表明：太白木中含量较高，根皮含４．７４％～１０．８１％，两个高峰期分别为５月中旬至６月底及８月底至９月中旬，茎皮含量为３．５９％～１２．０６％，高峰期为５月中旬至７月底；叶中齐墩果酸含量一直处于上升期，２．４１％～６．６６％，９月中旬含量最高，达６．６６％。

The dynamic assay on oleanolic acid(OA)in Aralia taibaiensis shows that the plant has a higher OAlevel. The level in rcot cortex is 4. 74 /00～10. 81 % and peak stages are mid-May to late June and late August to mid-September the level in stem barks is 3. 59%/～12.06% and peak peried is between mid-May and late July,the level inleaves increases throughout the life time ranging from 2. 41 % to 6. 66% and peak level is 6. 66% around mid-Septem-ber.