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Summary The leaf gland volatile oils of ten sweet gale plants from a Scottish population were extracted in early summer. The results differed notably from reports of other populations in respect of the sesquiterpenes, -elemenone and germacrone, which were major components of the volatile oil. Three dihydrochalcones were also detected in the volatile oil. Variation within the population existed, particularly with respect to the relative importance of germacrone. Five plants were resampled in late summer and exhibited a marked reduction in -elemenone, a lesser reduction in germacrone and changes in the proportions of some monoterpenes. 相似文献
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Robert R. Carlton Stanley G. Deans Alexander I. Gray Peter G. Waterman 《Chemoecology》1991,2(1):69-71
Summary The antifungal activity of kaempferol-3-(2,3-diacetoxy-4-p-coumaroyl)rhamnoside, a new flavonol glycoside isolated from the leaves ofMyrica gale, has been investigated. The flavonoid was found to have varying inhibitory activity against five species of fungi isolated from the leaves ofMyrica gale in the field. 相似文献
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