- 期刊
香花植物之研究 第三報 大花素馨採收後生理與花精油之研究
Studies on the Aromatics (Ⅲ) Studies on the Postharvest Physiology and Constituents of Flower Essential Oil of Spanish Jasmine
摘要
本試驗探討新引進之大花素馨採收後生理並決定適宜的花蕾採收及花精油抽取時間。由不同時期採收、浸取花精油後，以氣體色層分析儀分析花精油與官能品評結果，認爲大花素馨花蕾以在午後愈近開花時間採收爲佳，而以當天花朶全開約2-4小時後，用揮發性溶劑抽取花精油，其産量和品質均較高。本文更利用呼吸作用及乙烯消長來說明大花素馨花精油之形成與變化。
關鍵字
無資料並列摘要
An experiment was conducted to study the post-harvest physiology (respiration and C2H4 evolution) of newly introduced Spanish jasmine (Jasminum officinale, L. f. grandiflorum, (L.) Kobuski; J. grandiflorum, L.). Also, the optimum stages for flower harvest and essential-oil extraction were studies. By gas chromatographic analysis and organoleptic test, the composition of flower essential oil of Spanish jasmine varied with different stages of development. Since the essential oil production was a dynamically physiological and biochemical process, therefore, the Spanish jasmine flower was recommended to be harvested at the late bud stage and extracted at the stage when the flowers had been fully-bloomed for 2-4 hrs. The relationships among the essential oil production, respiration, and ethylene evolution were also discussed.
並列關鍵字
無資料延伸閱讀
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