日本化粧品技術者会誌
Online ISSN : 1884-4146
Print ISSN : 0387-5253
ISSN-L : 0387-5253
亜塩素酸ナトリウムの細菌, 酵母および真菌9菌種に対する抗菌作用の検討
長谷川 ゆかり中村 優美子外海 泰秀伊藤 誉志男
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1989 年 22 巻 4 号 p. 245-253

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Antimicrobial effect of sodium chlorite (NaClO2) on 5 species of bacteria, 3 species of yeasts and one species of true fungi was investigated in comparison with sodium hypochlorite (NaClO), and the residual amount of the two compounds in nutrient broth and YM broth was determined.
P. fluorescens, P. aeruginosa, E. subtilis, S. aureus and E. coli were inoculated to nutrient broth followed by addition of NaClO2 or NaClO, and incubated for 14 days at 25°C. Then it was proved that the inhibitory effect of NaClO2 is stronger than that of NaClO. On the contrary, when C. lipolytica, Tr. cutaneum and A. niger were inoculated to YM broth, antimicrobial effect of NaClO2 was weaker than that of NaClO.
As a result of the determination of residual amout of NaClO2 and NaClO in the brothes, it became clear that NaClO degraded very quickly, but NaClO2 remained for 7 days. It seems that one of the reasons for higher antimicrobial effect of NaClO2 than that of NaClO is owing to its stability in the brothes.

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