Studies on the antioxidant components and activities of the methanol extracts of commercially grown Hemerocallis fulva L. (daylily) in Taiwan

Li Yun Liu, Lin Ying Chang, Shin Shou Chou, Yu Lin Hsiao, Yi Wen Chien

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5 引文 斯高帕斯(Scopus)

摘要

We explored the antioxidant components and activities of daylily Hemerocallis fulva L. flowers among two growth areas, three flower ages and two processing methods. The results showed that the growth area, flower age and processing method all significantly influenced the functional components and antioxidant activities grown in mountainous areas of Taiwan. The total phenols, flavonoids and total chlorophylls of the methanol extracts of D3DF were 59.51, 70.76 and 5.67% of the respective values of F3DF. The total phenols and anthocyanins of the methanol extracts of F1DF were 2.64 mg GAE/100 g·dried basis (db) and 0.102 μmole/100 g·db, which were significantly higher than the others. The total flavonoid contents of F1DF, F2DF, F3DF and D3DF were 20.83, 29.67, 31.65 and 22.30 mg QE/100 g·db, respectively, with the F1DF level as the lowest. The reducing power showed that both the fresh and dried flowers were very weak. The amounts of most flavonoids in the flowers from Hualien were greater than those from Taidong.

原文英語
頁(從 - 到)90-104
頁數15
期刊Journal of Food Biochemistry
34
發行號SUPPL. 1
DOIs
出版狀態已發佈 - 三月 2010

ASJC Scopus subject areas

  • 食品科學
  • 細胞生物學
  • 藥理
  • 生物物理學

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