文章基本信息

标题：Growth of Fungi on Various Surfactants inside Washing Machines
本地全文：下载
作者：Nobuo HAMADA ; Masaki NAKAMURA
期刊名称：生活衛生
印刷版ISSN：0582-4176
电子版ISSN：1883-6631
出版年度：2005
卷号：49
期号：6
页码：365-371
DOI：10.11468/seikatsueisei.49.365
出版社：Osaka Urban Living and Health Association
摘要：Three kinds of fungi were cultured on various media (including different 30 surfactants, anionic, nonionic, amphoteric, and cationic surfactants) and a comparison of their growth was made. The growth of all three fungi was inhibited by anionic, amphoteric, and cationic surfactants. In particular, no colonies of these fungi were found on 0.25% of these surfactants and only small colonies were found on 0.05%. On the other hand, although two fatty acid-amide type nonionic surfactants inhibited the growth of the three fungi, no inhibition on the their growth was found on media including other nonionics. For example, fatty-acid ester type nonionics promoted the growth of all three fungi. In particular, Scolecobasidium constrictum , a dominant fungus in washing machines, grew well on media including polyoxyethylene-alkylether nonionic surfactants, in contrast with Cladosporium cladosporioides , a common fungus in indoor environments. Fatty-acid amide type surfactants were noticed for their potential to be exploited in detergent for fungus-free washing machines.
关键词：washing machine;surfactant;nonionic;Scolecobasidium