无毒酱油曲霉菌的蛋白酶、淀粉酶和颜色突变体中毒性的发生情况。
Occurrence of toxicity among protease, amylase, and color mutants of a nontoxic soy sauce koji mold.
作者信息
Kalayanamitr A, Bhumiratana A, Flegel T W, Glinsukon T, Shinmyo A
机构信息
Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.
出版信息
Appl Environ Microbiol. 1987 Aug;53(8):1980-2. doi: 10.1128/aem.53.8.1980-1982.1987.
Abstract
A soy sauce koji mold, Aspergillus flavus var. columnaris Raper and Fennel (ATCC 44310), was treated with UV irradiation to obtain mutant strains possessing high protease activities, high amylase activities, and light-colored conidia. Selected mutant strains were tested for toxicity, and some were found acutely toxic to weanling rats, although all were negative for aflatoxin production.
摘要
一种酱油曲霉菌，即柱状黄曲霉拉珀和芬内尔变种（ATCC 44310），经紫外线照射处理以获得具有高蛋白酶活性、高淀粉酶活性和浅色分生孢子的突变菌株。对筛选出的突变菌株进行了毒性测试，发现其中一些对断奶大鼠具有急性毒性，尽管所有菌株的黄曲霉毒素产生检测均为阴性。
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