使用蒸發光散射檢測器 (Evaporative Light-Scattering Detector) 分析銀杏中 (Ginkgo Bilobam) 的萜類 (Terpenoids)

"(Ginkgo biloba) extract contains (flavonoids) and (terpenoids) that have been reported to be effective for improving poor blood circulation in the brain as well as poor peripheral blood vessel circulation. This ginkgo biloba extract is used as a health dietary supplement in Japan and the United States. 銀杏 (Ginkgo biloba) 萃取物含有類黃酮 (flavonoids) 及萜類 (terpenoids)，研究指出可有效改善腦部血液循環不良及周邊血管循環不良。在日本及美國，銀杏萃取物已用於健康膳食補充劑。"
目前已知大量存在於銀杏中的萜類，包括白果內酯 (bilobalide)、銀杏內酯 A (ginkgolide A)、銀杏內酯 B (ginkgolide B)、銀杏內酯 C (ginkgolide C) (圖 1)。