Antioxidant and antityrosinase activity of mulberry (Morus alba L.) twigs

doi:10.1016/j.fct.2010.11.045

Chia Nan University of Pharmacy & Science Institutional Repository > 藥理學院 > 食品科技系 > 期刊論文 > Item 310902800/26745

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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
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