1988 年 52 巻 6 号 p. 1369-1375
The effect was examined of aqueous dialyzates from 16 kinds of vegetables and fruits on the mutagenicity of some mutagens toward Salmonella typhimurium TA 100. Each dialyzate inhibited the mutagenicity of Trp-P-2, and the antimutagenicity was retained even after heating at 100°C for 20min. Dialyzates of burdock, eggplant, spinach and apple also inhibited the mutagenicity of Trp-P-l, benzo[a]pyrene, sterigmatocystin, aflatoxin Bl, 2-(2-furyl)-3-(5-nitro-2-furyl)-acrylamide and N-methyl-N'-nitroso-N-nitrosoguanidine. The dialyzates of apple reacted with S9 mix and Trp-P-2. A Sepharose CL 6B gel filtration study of the dialyzates of apple indicated that the antimutagenic activity of these dialyzates on Trp-P-2 and AF-2 was mainly detectable in the polyphenol-rich fractions.
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