烹调方式对山芋茎叶抗氧化能力的影响Effects of Cooking Methods on Antioxidant Capacity of Sweet Potato Stems and Leaves
王荣兰,朱云龙,胡燕,刘莹莹,胡舰
摘要(Abstract):
为探究不同烹调方式对山芋茎叶抗氧化能力的影响,以总酚含量、黄酮类物质含量以及DPPH·清除能力作为抗氧化能力的评价指标,分别采用漂烫、油炒和微波3种不同的烹调方法处理山芋茎叶,测定不同烹调方式及条件下其抗氧化能力的变化情况。结果显示:山芋茎叶抗氧化能力与漂烫时间、漂烫温度呈负相关,且当温度大于70℃后,其抗氧化能力的衰减趋势更显著(P<0.05);油炒时间、油用量对山芋茎叶的抗氧化能力有正向调节功效;其抗氧化能力随微波时间的延长呈先上升后下降的趋势,且在3 min时最强,而当微波功率增大时,山芋茎叶黄酮含量、总酚含量先下降后上升,且差异显著(P<0.05),DPPH·清除率则呈负相关趋势。
关键词(KeyWords): 烹调方式;山芋茎叶;抗氧化能力
基金项目(Foundation): 国家重点研发计划项目(2016YFC1300200);; 四川省哲学社会科学重点研究基地-川菜发展研究中心科研项目(CC21Z17)
作者(Author): 王荣兰,朱云龙,胡燕,刘莹莹,胡舰
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