Disinfectant Effects of Lactic Acid on Pytthium porphyrae as Acid Treatment Agent

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  • 酸処理剤としての乳酸のアカグサレ菌に対する致死効果
  • サン ショリザイ ト シテノ ニュウサン ノ アカグサレキン ニ タイスル チシ コウカ

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Abstract

To develop acid treatment technique in noni culture, we studied the disinfectant effects of lactic acid, malic acid, citric acid, gluconic acid and tartaric acid which are involved in conventional acid treatment agents, on Pythium porphyrae. As the result, it was found that lactic acid affected P. porphyrae most strongly among the five acids under the same pH value. Moreover, lactic acid killed out P. porphyrae at pH 3.0-5.0, but the other four organic acids killed it out at pH about 2.0. The results indicate that lactic acid has a strong disinfectant effect.

Journal

  • Aquaculture Science

    Aquaculture Science 55 (3), 325-330, 2007

    Japanese Society for Aquaculture Science

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