タマリンド種皮抽出物の抗酸化性

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タイトル別名
  • Antioxidative Activity of Tamarind Extract Prepared from the Seed Coat.
  • タマリンド シュヒ チュウシュツブツ ノ コウ サンカセイ

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The antioxidative activity of crude extract prepared from tamarind seed coat was studied. Tamarind seed coat extract showed high antioxidative activity and synergistic antioxidative effect with citric acid. The antioxidative activity of the extract was stable against the heat treatment at 100°C for 2h, and lower at pH 5.0 than at pH 3.0, 7.0 and 9.0. About 70% of the activity was remained even if treated at 100°C for 2h in the presence of 10% NaCl. The extract had antioxidative activity in two kinds of edible oils, lard and corn oil. In the lard, the addition of citric acid with the extract resulted in synergistic antioxidative action, however not showed inthe corn oil. From these results, tamarind seed coat extract might be used for natural antioxidants to lipid containing food.

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