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Suppressing sweet taste preferences by improving the oral environment via umami taste stimulation

Research Project

Project/Area Number 19K10851
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 58060:Clinical nursing-related
Research InstitutionTottori University

Principal Investigator

SAKAI Chieko  鳥取大学, 医学部, 助教 (90734327)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords2型糖尿病 / 味覚 / 味認識 / 2型糖尿病
Outline of Research at the Start

本研究課題では、「うま味刺激は、口腔環境を改善し2型糖尿病患者の甘味嗜好を弱め糖尿病改善に有効である」か、明らかとすることを目的とする。口腔環境・味覚・食行動をひとつのネットワークと捉え「うま味成分の摂取→うま味刺激→口腔環境の変化→味覚感受性の改善→糖尿病患者の甘味嗜好の抑制」という新規食事療法の有効性について検証する。

Outline of Final Research Achievements

Patients with type 2 diabetes are at high risk of low salivary volume and periodontal disease and may have taste disorders. In this study, we investigated whether umami taste stimulation is effective in improving the oral environment and lowering the sweet taste preference of patients with type 2 diabetes. Results showed that, in patients with type 2 diabetes, the intake of umami substances tended to increase salivary output and significantly decrease body weight, BMI, FBS, and TNF-α. These findings suggest that umami stimulation may effectively reduce preferences for sweet taste and improve disease conditions in patients with type 2 diabetes.

Academic Significance and Societal Importance of the Research Achievements

糖尿病研究の多くは、糖尿病病態のメカニズムやそれに基づいた治療薬の有効性についての検討が主である。医療費の問題や実際の臨床現場に即した治療としては、食事指導に基づいた食習慣の改善を図ることが有効であり、増え続ける糖尿病者(予備軍)に歯止めをかける手段としても重要である。うま味刺激に注目し且つ、社会状況(医療費問題、患者主導の治療)に即した食事指導としては、これまでにない着眼点であり、国内外を問わず、報告はない。本研究により食事指導による新規治療法確立の先駆けとなる事が期待される。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (7 results)

All 2021 2020 2019 1963

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (3 results)

  • [Journal Article] Effects of a Self-efficacy Theory-Based Training Program for Peers of Patients with Type 2 Diabetes.2020

    • Author(s)
      Tanimura C, Aoto H, Kobayashi N, Majbauddin A, Morita T, Otani S, Inoue K,Tokushima Y, Fukada M, Hanaki K, Sakai C, Okura T, Kageyama S, Kurozawa Y, Flores R, and Raymundo R.
    • Journal Title

      Yonago acta medica

      Volume: 63 Pages: 282-293

    • NAID

      130007942207

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Color Vision with an Instruction Tool in Patients with Type 2 Diabetes.2020

    • Author(s)
      Sakai C, Sakinad H, Takeuchi T.
    • Journal Title

      International Journal of Japanese Nursing care practice and study

      Volume: 9 Pages: 16-20

    • NAID

      40022493758

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Evaluation of patient education in patients with lipohypertrophy at insulin injection site: A case study.2020

    • Author(s)
      Sakai C, Takeuchi T.
    • Journal Title

      International Journal of Japanese Nursing care practice and study.

      Volume: 9 Pages: 21-23

    • NAID

      40022493799

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] 米子医学雑誌 = The journal of the Yonago Medical Association 14(1)1963

    • Author(s)
      松下春香、森脇真美子、八幡風詩、酒井知恵子
    • Volume
      73
    • Pages
      -
    • DOI

      10.11501/3424337

    • ISSN
      0044-0558
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Relationship between taste recognition thresholds and obesity in type 2 diabetes2021

    • Author(s)
      Sakai Chieko
    • Organizer
      81 scientific sessions American Diabetes Association, (web), 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] 脱フレイル!今こそ呼び起こせ筋肉パワー2021

    • Author(s)
      酒井知恵子
    • Organizer
      第4回 鳥取県糖尿病看護研究会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 肥満モデルマウスにおける味細胞の形態変化と細胞極性制御分子に対する影響2019

    • Author(s)
      堀越洋輔, 酒井知恵子, 市原克則, 水田栄之助
    • Organizer
      日本味と匂学会 第53回大会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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