海藻中のジメチルサルファイドおよびジメチル‐β‐プロピオテチンについて

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タイトル別名
  • Dimethyl sulfide and dimethyl-.BETA.-propiothetin in sea algae.
  • 海そう中のジメチルサルファイドおよびジメチル‐β‐プロピオテチンについて
  • カイソウチュウ ノ ジメチルサルファイド オヨビ ジメチル ベータ プロピオテ

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Dimethyl sulfide (DMS) and dimethyl-β-propiothetin (DMPT) contents in 20 species of phaeophyta 24 samples, 6 species of rhodophyta and 4 species of chlorophyta were determined by gas-liquid chromatography.<br>The result, DMS and DMPT were detected in all samples examined; and many kinds of chlorophyta generally contained larger amount of DMS and DMPT than the samples of phaeophyta and rhodophyta.<br>DMS content in extracts of sea algae increased by incubation at 25°C for 2h. But as this phenomenon was not observed in heated samples, it seemed the formation of DMS was concerned with enzymatic action. The partial purification of this enzyme, extracted from Botan-aosa Ulva conglobata was done by using Sephadex G-200 gelfiltration and DEAE-Sephadex•A 25 column chromatography. The highest activity of the partially purified enzyme thus obtained was observed at 40°C and pH 7.0-7.5.<br>S-methyl-methionin sulfonium salt as another precursor of DMS was identified in Botan-aosa, but the amount was very little.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 51 (7), 1145-1150, 1985

    公益社団法人 日本水産学会

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