不同品种甘薯不同部位的抗氧化活性研究

Food Research and Development(2019)

Cited 5|Views12
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Abstract
为筛选出抗氧化活性较高的甘薯品种、为甘薯的精深加工提供理论依据,比较菜叶型、淀粉型、鲜食型、紫薯等4种类型共18个品种(系)甘薯的叶、藤、皮、肉4个部位的抗氧化活性,并分析其与多酚含量、黄酮类化合物含量的相关性.结果表明:4种类型中以紫薯各部位抗氧化活性、多酚含量和黄酮类化合物含量均较高;4个部位中以叶的各项指标均较高;18个品种(系)中,以绵紫9号、南紫018、泉薯830和川薯228各项指标均较高;抗氧化活性与多酚含量极显著正相关(P<0.01),与黄酮类化合物含量呈显著正相关(P<0.05);甘薯各部位黄酮类化合物组成成份各不相同,但以槲皮苷为主.
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Key words
different sweetpotato varieties,antioxidant activity
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