Relationship between Appearance of Photosensitivity and Total Pheophorbide Level in Spirulina Powder

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  • スピルリナ原末中の総フェオホルバイド値と光過敏症の関係について
  • スピルリナ ゲンマツチュウ ノ ソウ フェオホルバイドチ ト ヒカリ カビンシ

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The relation between the appearance of photosensitivity and the level of total pheophorbide (the existing pheophorbide plus chlorophyllase activity) in spirulina, an edible alga, was investigated in rats. Three kinds of spirulina which contain 72, 92 and 151mg% respectively of total pheophorbide were tested in, three groups of Wistar-strain male rats, together with a control group, by feeding diet containing 10% of each spirulina to the test groups, and the regular diet to the control group for 10 days, and giving 4 hour of light exposure a day.<br>No symptom of photosensitivity was observed even in the group given spirulina containing 151mg% of total pheophorbide, as well as chlorella products which are restricted by law to contain less than 160mg% of total pheophorbide. There was no difference among the groups including the control in body weight, or serum GOT, GTP, potassium or sodium level.

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