Investigation of Mutagenicity of Vegetable Soil Amendments
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概要
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Four types of vegetable soil amendment, two types of commercial leaf mold product, and a natural leaf mold were investigated for mutagenicity. Methanol extracts of these samples were subjected to mutagenicity tests using<I>S. typhimurium</I>TA98, TA100, YG1024, and YG1029 strains by the preincubation method. Since commercial nitrohumic acid standards and a soil amendment product showed higher mutagenicity in YG-type strains than in TA-type strains, these samples should contain low molecular weight nitro compounds. All samples showed mutagenicity under any test conditions, especially in the tests using YG-type strains. These results suggested that vegetable soil amendments and natural leaf mold might contain pseudonitro compounds which are contained in nitrohumic acids.
- 日本環境化学会の論文
日本環境化学会 | 論文
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