Functional Analysis of Japanese Green Tea Cultivar“Sunrouge”

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  • 緑茶品種サンルージュの機能性解析
  • リョクチャ ヒンシュ サンルージュ ノ キノウセイ カイセキ

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Abstract

Sunrouge is a Japanese green tea cultivar containing anthocyanin, developed by Nippon Paper Industrie's original“In-container rooting technology”based on a photo-autotrophic culture system, jointly with the National Agriculture and Food Research Organization and the National Institute of Vegetable and Tea Science. In this study, we evaluated suppressive effect of Sunrouge on metabolic syndrome and found that Sunrouge has the highest inhibitory effect of amylase and α-glucosidase activity, a digestive enzyme that hydrolyses polysaccharides into glucose, among the 51 major Japanese green tea cultivars. In addition, we verified that Sunrouge has a suppressive effect on the elevation of the postprandial blood glucose level by oral starch tolerance test in mice and humans, and on the elevation of HOMA-IR by diet-induced obese model test in mice.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 70 (1), 66-70, 2016

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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