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用薄层扫描法测定了辽东楤木根皮,茎皮和叶3个部位中齐墩果酸含量,结果分别为5.59%,3.67%和1.05%。回收率99.56%。
The contents of oleanolic acid in the root bark, bark and leaves of Quercus liaotungensis were measured by thin-layer scanning method. The results were 5.59%, 3.67% and 1.05%, respectively. The recovery rate is 99.56%.