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投稿时间：2016-01-09
投稿时间：2016-01-09
中文摘要: 通过先进的超声波-微波萃取技术，在体外模拟胃液条件下，研究利用正交试验法从牛蒡叶中获得对亚硝胺有阻断作用和亚硝酸盐有清除作用的多酚提取液的最佳工艺，结果表明：从牛蒡叶中提取多酚物质的最佳工艺是：料液比1∶20（g/mL），70%的乙醇溶液，微波500 W，提取时间30 s，其对亚硝胺合成的最大阻断率是93.2%，对亚硝酸钠的最大清除率是92.7%。
Abstract:Under simulate gastric juice in vitro，the optimal processes of extract of polyphenol from burdock leaves which had effect on inhibition of nitrosation and scavenging of sodium nitrite were studied by advanced supersonic wave-microwave extraction technology.The results showed that the optimal processes were extracting polyphenol from burdock leaves with 70%alcohol solution for thirty seconds at the 1 ∶20（g/mL）ration of solid to solution under 500 W microwave.The maxium capabilities of inhibiting the production of nitrosamine and scavenging sodium nitrite were 93.2%and 92.7%.
keywords: extract of polyphenol from burdock leaves inhibition of nitrosation scavenging of sodium nitrite
文章编号：201614007 中图分类号： 文献标志码：
基金项目:
| 作者 | 单位 |
| 宋宇 | 辽东学院城市建设学院，辽宁丹东118003 |
| Author Name | Affiliation |
| SONG Yu | School of Urban Construction，Eastern Liaoning University，Dandong 118003，Liaoning，China |
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