ギムネマ・シルベスタを使用した健康食品中の有効成分ギムネマ酸の実態調査

DOI 日本農学文献記事索引 Web Site 被引用文献1件 参考文献15件

書誌事項

タイトル別名
  • Contents of Gymnemic Acid in Health Foods Using <i>Gymnema sylvestre</i>
  • ギムネマ シルベスタ オ シヨウシタ ケンコウ ショクヒンチュウ ノ ユウコウ

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説明

Contents of gymnemic acids were investigated in 21 kinds of commercial health foods using Gymnema sylvestre leaves or extract. A hot water extract of each sample was acidified and centrifuged. The obtained precipitate was dissolved with ethanol and hydrolyzed with alkali followed by acid to hydrolyze gymnemic acid to gymnemagenin. The hydrolyzate was purified on an ODS cartridge, and gymnemagenin was measured by HPLC. The content of gymnemic acid was calculated as gymnemic acid II. Contents of gymnemic acid were N. D. (less than 10.5μg/g) to 20.5mg/g for 11 kinds of tablets, 8.46mg/g for 1 kind of powdered leaves, 2.12-6.89mg/g for 5 kinds of tea bags of “gymnema tea”, N. D. (less than 0.207μg/mL) to 4.41μg/mL for 2 kinds of soft drinks, and 0.029-0.055mg/g for 2 kinds of chewing gum.

収録刊行物

  • 食品衛生学雑誌

    食品衛生学雑誌 38 (3), 178-184_1, 1997

    公益社団法人 日本食品衛生学会

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