Determination of Substances in Polylactic Acid Products for Food-contact Use and Mutagenicity of Their Migration Solutions

被引：0
|
作者：
Ozaki, Asako [1 ]
Ooshima, Tomoko [1 ]
Ohgaki, Sumiko [1 ]
Kawamura, Yoko [2 ]
机构：
[1] Osaka City Inst Publ Hlth & Environm Sci, Tennouji Ku, Osaka 5430026, Japan
[2] Natl Inst Hlth Sci, Setagaya Ku, Tokyo 1588501, Japan
来源：
FOOD HYGIENE AND SAFETY SCIENCE | 2010年 / 51卷 / 05期
关键词：
polylactic acid; migration; specification test; heavy metal; rec-assay; umu-test;
D O I：
10.3358/shokueishi.51.220
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Specification tests defined in the Japanese Food Sanitation Law were conducted on 7 polylactic acid food-contact products. Moreover, the content and migration of other compounds were examined by means of ICP-AES, GC/MS and mutagenicity tests. All products met their specifications, and migration levels of heavy metals were negligible. No notable peak was observed in GC/MS analysis. Moreover, all products gave negative results in both rec-assay and the umu-test. An increase in the beta-galactosidase activity in the umu-test observed with the migration solution of soup bowl was due not to polylactic acid, but to the polyurethane coating.
引用
收藏
页码：220 / 227
页数：8
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