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    標題: Antioxidant and antityrosinase activity of mulberry (Morus alba L.) twigs
    作者: Chang, Lee-Wen
    Juang, Lih-Jeng
    Wang, Bor-Sen
    Wang, Mei-Ying
    Tai, Huo-Mu
    Hung, Wei-Jing
    Chen, Yun-Ju
    Huang, Ming-Hsing
    貢獻者: 食品科技系
    生活應用與保健系
    化粧品應用與管理系
    關鍵字: Mulberry twigs
    Phenolic
    Antioxidant
    Tyrosinase
    Reducing activity
    日期: 2011-04
    上傳時間: 2013-06-26 15:34:35 (UTC+8)
    出版者: Elsevier
    摘要: The antioxidant and antityrosinase activities of the ethanolic extract of mulberry twigs (EEMT) were investigated. The results showed that EEMT exhibited radical scavenging and reducing activity, as well as ferrous ion-chelating activity. In addition, EEMT also protected phospholipids against free radicals, indicating that EEMT could protect biomolecules from oxidative damage. Meanwhile, in the range of 0–60 μg/ml, the tyrosinase inhibitory activity of EEMT increased with increase in sample concentration, and was superior to that of the ethanolic extract of mulberry root bark (EEMR). High-performance liquid chromatography (HPLC) analysis was employed to determine the phenolic components, revealing that maclurin, rutin, isoquercitrin, resveratrol, and morin were present in EEMT. Acting as an antioxidant and a tyrosinase inhibitor, these bioactive constituents could contribute to the protective effects of EEMT. Overall, the results showed that EEMT might serve as a natural antioxidant and tyrosinase inhibitor.
    關聯: Food and Chemical Toxicology 49(4), pp.785-790
    顯示於類別:[ 食品科技系 ] 期刊論文
    [生活應用與保健系] 期刊論文
    [化妝品應用與管理系(所)] 期刊論文

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