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Development of the low postprandial elevation of blood glucose levels stockpiled foods for disater from high-amylose rice.

Research Project

Project/Area Number 17K00951
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Eating habits
Research InstitutionNagaoka National College of Technology

Principal Investigator

SUGAWARA MASAYOSHI  長岡工業高等専門学校, 物質工学科, 教授 (30259840)

Co-Investigator(Kenkyū-buntansha) 奥村 寿子  長岡工業高等専門学校, 物質工学科, 准教授 (20600018)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords湿熱処理 / 高アミロース玄米 / 食後血糖値上昇 / デンプン消化速度 / 難消化性デンプン / アミロース / 玄米 / デンプン消化 / 高アミロース米 / 血糖値 / ラット / 高アミロース / 災害食 / 食後血糖値
Outline of Final Research Achievements

High amylose brown rice, which has a high amylose content of rice starch, is heat-moisture treatmented using only water vapor. The aim is to develop a rice that is hard to raise postprandial elevation of blood glucose levels. Heat-moisture treatment increased the amount of resitant starch and decreased the rate of starch digestion. Low-GI rice foods have a milder post-meal blood sugar rise, conserve insulin secretion, and reduce the risk of diabetes and It is expected to have a preventive effect on metabolic syndrome. The administration of heat-moisture treatmented high-amylose rice to rats resulted in an increase in insulin levels caused by a rapid rise in blood glucose Secretion was inhibited and fatty acid synthesis induced by insulin was found to be suppressed.

Academic Significance and Societal Importance of the Research Achievements

米のアミロース含量と湿熱処理がラットの糖質・脂質代謝に与える影響を調べた。アミロース含量が高い米の方が低い米より難消化性デンプン含量が高く,デンプンの消化速度が遅いことがわかった。また,湿熱処理によって難消化性デンプンの増加,デンプン消化速度が低下することがわかった。ラットに投与した結果,血糖値上昇が穏やかなことに起因すると考えられる,肝臓酵素活性の変化が認められ,余剰糖質からの脂肪酸合成が抑制されることが明らかになった。湿熱処理高アミロース米は,血糖値上昇が穏やかで,糖尿病や肥満防止効果が期待できると考えられる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (4 results)

All 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results)

  • [Journal Article] Effects of different heat-moisture treatments on the physicochemical properties of brown rice flours2017

    • Author(s)
      Nakamura, Sumiko; Okumura, Hisako; Sugawara, Masayoshi; Noro, Wataru; Honma, Noriyuki; Ohtsubo, Ken-ich
    • Journal Title

      Bioscience, Biotechnology, and Biochemistry

      Volume: 81 Pages: 2370-2385

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] アミロース含量が異なる品種の玄米への湿熱処理が高脂肪食ラットに及ぼす影響2018

    • Author(s)
      田崎景子、細川陽子、菅原雅通、中村澄子、奧村寿子、大坪研一、菅原正義
    • Organizer
      日本栄養・食糧学会
    • Related Report
      2018 Research-status Report
  • [Presentation] アミロース含量と湿熱処理が高脂肪飼料摂取ラットの糖質・脂2017

    • Author(s)
      細川陽子、春日景太、榎康明、齋藤憲司
    • Organizer
      日本栄養・食糧学会大会71回大会(那覇)
    • Related Report
      2017 Research-status Report
  • [Presentation] 食事誘導性肥満ラットにおける玄米米粉摂取の効果-湿熱処2017

    • Author(s)
      高杉紗英、斉藤憲司、細川陽子、菅原正義
    • Organizer
      日本栄養・食糧学会大会71回大会(那覇)
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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