Partial Purification and Some Properties of a Trypsin Inhibitor from Silkworm Blood

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  • UMETSU Ryoitsu
    Department of Agricultural Chemistry, University of Tohoku Sendai Shirayuri Junior College
  • SHIMURA Kensuke
    Department of Agricultural Chemistry, University of Tohoku

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Other Title
  • 家蚕体液中トリプシンインヒビターの部分精製と2, 3の性質
  • カサン タイエキ チュウ トリプシンインヒビター ノ ブブン セイセイ ト 2 , 3 ノ セイシツ

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Description

Trypsin inhibitor was partially purified from the blood of silkworm (Bombyx mori L.) by ammonium sulfate precipitation, Dowex-l×4 and DEAE-cellulose chromatography.<br> The inhibitor preparation obtained gave a single symmetrical peak with an S20, W of 4.5 S in ultracentrifugal analysis, one μg of the inhibitor inactivated 2.4 μg of trypsin.<br> The silkworm inhibitor rather resembled Ascaris inhibitor than such as soybean and ovomucoid inhibitor in that it was unstable in an acidic solution.

Journal

  • Nippon Nōgeikagaku Kaishi

    Nippon Nōgeikagaku Kaishi 46 (8), 385-391, 1972

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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