Effects of Rakkyofructan on Postprandial Glucose Level in Plasma

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  • 食物摂取後の血糖値上昇に及ぼすラッキョウフルクタンの影響
  • ショクモツ セッシュ ゴ ノ ケットウチ ジョウショウ ニ オヨボス ラッキョウフルクタン ノ エイキョウ

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The effect of Rakkyofructan on the glucose level in plasma after intake of high carbohydrate diet was investigated. The six healthy female volunteers consumed 50 g of carbohydrate meal (the glucose, the cooked white rice, the bread, or the cooked sweet potato) with or without Rakkyofructan. Blood specimen was collected of before and 30, 45, 60, 90, 120 and 150 min after intake, and the glucose level in plasma was measured. The peak value (Cmax) and the area under curve (AUC) of blood glucose level were significantly decreased in the group ingested glucose with Rakkyofructan compared to the group which ingested glucose only. The blood glucose level was suppressed from 60% to 32% (glucose; 43.1±15.5%, cooked white rice; 40.5±13.5%, cooked sweet potato; 53.4±16.5%, bread; 68.5±20.5%) (p<0.01) by Rakkyofructan with 50 g of carbohydrate meal. These results indicated that Rakkyofructan could inhibit the increase of blood glucose level after high carbohydrate diet intake.


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