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人们食用较广泛的八种调味品用原噬菌体诱导法进行了致突变性研究。在不加S-9的情况下,反复检测三次。其结果表明,八种调味品噬菌体诱导试验均为阴性。
The eight kinds of spices that people eat more extensively have been studied for mutagenicity using prokaryotic method. In the absence of S-9, repeated testing three times. The results showed that all eight spice phage induction tests were negative.