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作者测定了狗景天(Sedum middendorffianum Maxim)、费菜(S.Kamtschaticum Fisch.)、毛景天(S.selskanum Regel et Maack)和苍白景天(S.pallesters Freyn.)地上部分的酚类化合物及其在不同发育期中的含量。结果表明,四种景天的黄酮醇类和熊果酚甙的含量以孕蕾期为最高(苍白景天在三个发育期中均不含杨梅树皮素);鞣酸和鞣质的含量以开花期为最高。
The authors measured the phenolic compounds in the aerial parts of Sedum middendorffianum Maxim, S. Kamtschaticum Fisch., S.selskanum Regel et Maack and S. pallesters Freyn. In different stages of development. The results showed that the content of flavonols and arbutin in four kinds of Sedum was the highest in the budding stage (P. emersonii did not contain myricetin in the three developmental stages); the contents of tannic acid and tannin were Flowering is the highest.