Patterns of variation in lipophilic and hydrophilic constituents in flower developmental stages of Echinacea purpurea (L.) Moench cultivated in Slovakia
نویسندگان
چکیده
The objective of this study was to examine and demonstrate how harvesting age (flower age) contribute to the variations in the quality of Echinacea purpurea (L.) Moench. The effects of different flower developmental stages on caffeic acid derivatives and isobutylamide content are described. These phytochemicals were extracted from fresh plants with 60% ethanol and quantified by the HPLC analysis. The results revealed that the quality of Echinacea is strongly influenced by the flower developmental stages. The highest content of both hydrophilic and lipophilic components in the anthodium of Echinacea plants were found in the third (mature) developmental stage, which is regarded as the optimum one for the harvest to obtain optimum yield levels.
منابع مشابه
Cichoric Acid and Isobutylamide Content in Echinacea purpurea as Influenced by Flower Developmental Stages
Echinacea purpurea (L.) Moench, Asteraceae, a native of North America is among the most frequently utilized Echinacea spp. for medicinal, cosmetic, and beverage preparations. Most of the echinacea preparations in the industry originate from wild harvesting and few from non-standardized (unregulated) cultivation and harvesting. According to the recent reports (Brevoort 1996), echinacea preparati...
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