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ren ti nei xiao suan ji ya xiao suan yan de xing cheng
Author(s): 
Pages: 26
Year: Issue:  8
Journal: Progress in Japanese Medicine

Keyword:  细菌亚硝酸盐人体原硝酸致癌物质硝基化合物主要来源体内蔬菜汁内分泌系统;
Abstract: <正> 已知亚硝酸是体内产生强致癌物质的硝基化合物的前身物质。它在胃、膀胱、肠末端等处形成。由于同致癌物质有关,所以研究其在体内的产生部位是至关重要的。原先认为口腔内细菌还原硝酸是主要来源。但现在发现到由于摄取含有大量硝酸的蔬菜或蔬菜汁后唾液中硝酸含量增高,从血液中供给亚硝酸。在考虑人体硝酸——亚硝酸平
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