中国医院用药评价与分析2017，Vol.17Issue(9)：1172-1175,4.DOI:10.14009/j.issn.1672-2124.2017.09.008
玛咖乙醇提取物抗氧化活性的研究
Study on Antioxidant Activity of Ethanol Extract of Maca
摘要
Abstract
OBJECTIVE:To study the effects of different extraction technology on antioxidant activity of ethanol extract of maca. METHODS: Activity of in vitro antioxidant compound was evaluated according to free radical-scavenging of hydroxy and superoxide anion, and effects of extraction solvent, solid-liquid ratio, extraction temperature and ultrasonic extraction time on antioxidant activity of ethanol extract of maca were respectively inspected. RESULTS:Ethanol extract of maca had obvious in vitro antioxidant effects, the antioxidant capacity decreased accompanied with the increasing of the ethanol volume percentage when the concentration of ethanol volume percentage of ethanol was 70％. The antioxidant capacity was stable when the solid-liquid ratio was>1:30 . The antioxidant capacity was the strongest when extraction temperature was 70 ℃. The free radical-scavenging of superoxide anion took the lead when the ultrasonic extraction time increased to 60 min, yet the free radical-scavenging of hydroxy took the lead when the ultrasonic extraction time increased to 90 min. CONCLUSIONS: The optimum technological conditions are obtained after preliminary experiment:ethanol extraction solvent of 70％, solid-liquid ratio of 1:30 , extraction temperature of 70 ℃ and ultrasonic extraction time of 60 min. Under the condition, the antioxidant activity of maca extraction is the best.关键词
玛咖/乙醇提取物/抗氧化/自由基Key words
Maca/Ethanol Extract/Antioxidant/Free radicals分类
医药卫生引用本文复制引用
王鑫,李然,陈美玲,周世通,冀彦君,贾宝秀..玛咖乙醇提取物抗氧化活性的研究[J].中国医院用药评价与分析,2017,17(9):1172-1175,4.基金项目
国家级大学生创新创业计划项目 ( No. 201510439072) （ No. 201510439072）
泰安市科技发展计划项目(No. 201540707) （No. 201540707）
