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Can magnesium be applied to the evaluation of spontaneous abnormal taste?

Research Project

Project/Area Number 26463182
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Social dentistry
Research InstitutionNiigata University

Principal Investigator

FUNAYAMA Saori  新潟大学, 医歯学総合病院, 医員 (30422611)

Co-Investigator(Kenkyū-buntansha) 伊藤 加代子  新潟大学, 医歯学総合病院, 助教 (80401735)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords自発性異常味覚 / 唾液 / マグネシウム / 服用薬剤 / 味覚障害 / 苦味 / 味覚異常 / 評価
Outline of Final Research Achievements

Phantogeusia is a perception of taste that occurs in the absence of a tastant. The most common chief complaint is bitter. The aim of this study was to investigate the cause of bitter phantogeusia. Questionnaires including medical history, medication and bitter taste sensation, and psychological tests were performed. Magnesium in unstimulated saliva and magnesium in serum were measured. Mean value of all parameters was compared between patient and control groups. Salivary magnesium level, Total GHQ30 and SDS scores were significantly higher in the patient group than in the control group. The patients group had more participants with an allergy to pollen dust than the control group, significantly. Almost patients took medication with adverse effects of dysgeusia. Based on these findings, salivary magnesium level, medication with adverse effect of dysgeusia, and medical history of allergy may be factors influencing the phantom sensation of bitterness.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report

Research Products

(2 results)

All 2016

All Presentation

  • [Presentation] What causes bitter taste phantoms?2016

    • Author(s)
      船山さおり
    • Organizer
      International Symposium on Olfaction and Taste
    • Place of Presentation
      神奈川県横浜市 パシフィコ横浜
    • Year and Date
      2016-06-07
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] What causes bitter taste phantoms?2016

    • Author(s)
      Funayama S, Ito K, Inoue M
    • Organizer
      17th International Symposium on Olfaction and Taste
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2016-06-05
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research

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Published: 2014-04-04   Modified: 2018-03-22  

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