摘要
以二乔木兰、天目木兰、望春木兰与玉兰的干燥花蕾为材料,利用水蒸气蒸馏法提取挥发油成分,采用气相色谱-质谱联用仪(GC-MS)对它们的成分进行测定和比较分析.结果表明,4 种木兰属植物干燥花蕾挥发油中共有 140 种物质,二乔木兰最多,为 86 种,天目木兰最少,仅 63 种.萜烯类物质最多,在二乔木兰、天目木兰、望春木兰和玉兰花蕾中的数量分别为 48、33、42 和 40 种.27 种物质为 4 种木兰属植物所共有,其中醇类化合物有桉叶油醇、β-萜品醇和 δ-松油醇等,萜烯类有 β-侧柏烯、莰烯和月桂烯等.本研究为后续进行木兰属植物药用成分的开发和利用奠定了基础.
Abstract
Dried flower buds of M.soulangeana,M.amoena,M.biondii,and M.denudata were used as materials to extract their volatile oil components using the steam distillation method.GC-MS was applied to determine and compare their constituents.The results revealed that there were a total of 140 substances in the volatile oils of the four Magnolia species,with M.soulangeana having the most of 86 and M.amoena having the least of only 63.Terpenoids were the most abundant substances,with 48,33,42,and 40 types in M.soulangeana,M.amoena,M.biondii,and M.denudata,respectively.Totally 27 substances were common to all four species,including alcohols such as eucalyptol,β-terpineol,and δ-pinanol,as well as terpenoids such as β-caryophyllene,cadinene,and myristicin.This study provides a foundation for the development and utilization of medicinal ingredients from Magnolia species in the future.
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