|本期目录/Table of Contents|

[1]李楠,许文凤,叶振南,等.9种植物粗提总黄酮的体外降脂及抑制非酶糖基化的活性[J].江苏农业科学,2014,42(06):291-293.
 Li Nan,et al.Study on hypolipemic and inhibition of nonenzymatic glycosylation activity in vitro of crude flavone form nine plants[J].Jiangsu Agricultural Sciences,2014,42(06):291-293.
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9种植物粗提总黄酮的体外降脂及抑制非酶糖基化的活性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第42卷
期数:
2014年06期
页码:
291-293
栏目:
质量安全与检测分析
出版日期:
2014-06-25

文章信息/Info

Title:
Study on hypolipemic and inhibition of nonenzymatic glycosylation activity in vitro of crude flavone form nine plants
作者:
李楠 许文凤 叶振南 盛丹丹 王文君
江西农业大学南昌市农产品加工与质量控制重点实验室,江西南昌 330045
Author(s):
Li Nanet al
关键词:
黄酮降脂活性抑制非酶糖基化
Keywords:
-
分类号:
R284.1
DOI:
-
文献标志码:
A
摘要:
为了研究9种植物粗提总黄酮的体外降脂及抑制非酶糖基化的活性,分别将9种植物样品经粉碎、脱脂、脱色处理后,用超声辅助70%乙醇浸提,真空过滤浓缩后得粗黄酮。以芸香苷为标准样品,用紫外分光光度法测其在 510 nm 处吸光度并绘制标准曲线,计算样品中黄酮含量。随后进行体外降脂试验,通过比较有无抑制剂(提取液)加入的情况下,脂肪酶的活性差异、所得各提取物对脂肪酶的抑制率,比较降脂活性大小。之后进行体外非酶糖基化试验,1 mL 提取液(加氨基胍做阳性对照,加水做阴性对照)与 1 mL 磷酸缓冲液混合,90 ℃水浴 40 min;然后与乙二醛和牛血清白蛋白混合,反应液于 37 ℃条件下孵育 15 d,用荧光法在发射波长 440 nm 激发波长 365 nm 处测定糖基化产物的自发荧光值,计算9种植物粗提黄酮对体外非酶糖基化反应的抑制率,结果表明9种植物黄酮粗提物对脂肪酶均有较强的抑制作用,其中蛇接骨草抑制活性最强。在体外非酶糖基化试验中,9 种植物对非酶糖基化终产物的生成均有较强的抑制作用,其中芦荟黄酮非酶糖基化抑制活性最强。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-09-24
基金项目:国家自然科学基金(编号:31160319);江西省高等学校科技落地计划(编号:KJLD13027);江西省教育厅科技计划(编号:GJJ13281)。
作者简介:李楠(1989—),女,内蒙古满洲里人,硕士研究生,研究方向为分子营养学。E-mail:296875131@qq.com。
通信作者:王文君,博士,教授,研究方向为食品化学与分子营养学。E-mail:wwjun9999@sina.com。
更新日期/Last Update: 2014-06-25