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Preparation and property evaluation of made-to-order variable viscosity enteral nutrients for improvement of QOL of patients and their families.

Research Project

Project/Area Number 17K01583
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionTokai University

Principal Investigator

ASAKA Takashi  東海大学, 工学部, 教授 (50266376)

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: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords液体栄養剤症候群 / 粘度可変型栄養剤 / 濃厚栄養剤 / 増粘多糖類 / アルギン酸ナトリウム / 人工胃液 / 凝集凝固 / 離水 / キサンタンガム系増粘剤 / 粘度増加 / 半固形化 / 粘度 / リハビリテーション / 医療・福祉 / 半固形化栄養材 / 粘度可変型栄養材 / 物性評価
Outline of Final Research Achievements

This study aims to provide information to patients, their families, and caregivers about the preparation method and precautions of "made-to-order variable viscosity enteral nutrient" according to the patient's condition for the purpose of preventing liquid formula syndrome.
We prepared prototype variable viscosity enteral nutrient by combining a commercially available enteral nutrients and a polysaccharides (coagulant: sodium alginate, thickener: containing xanthan gum). When the polysaccharide added to the nutrient, the viscosity was increased in proportion to the calcium and potassium concentration in the nutrient depend on the type of polysaccharide.
In addition, in-vitro coagulation test was performed on combining prototype variable viscosity enteral nutrient and artificial gastric juice. As a result, we found that an insoluble substance was produced and coagulated depending on the polysaccharides, and the protein contained in the raw nutrient.

Academic Significance and Societal Importance of the Research Achievements

液体栄養剤の経管投与に関連した合併症である液体栄養剤症候群の防止を目的に、胃内で凝固する粘度可変型流動食が上市されたが、未だ種類が少なく患者の病態によっては利用できない場合がある。
そこで本研究では、「患者の病態に応じたオーダーメイドの粘度可変型栄養剤」を自己調製した際の各種物性変化を明らかにしたこと、さらに人工胃液中の凝固挙動を明らかとしたことは学術的に意義のあることである。本研究成果は今後、「粘度可変型栄養剤を自己調製」する際の諸情報を患者と家族、医療従事者や介護支援者へ提供できることから、社会的にも意義のある研究成果と考えられる。

Report

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

    (5 results)

All 2020 2018 Other

All Presentation (2 results) Remarks (3 results)

  • [Presentation] 自己調製した半固形化/粘度可変型栄養剤の人工胃液中における凝固挙動2020

    • Author(s)
      淺香 隆, 菊川久夫, 小山祐司
    • Organizer
      第23回日本病態栄養学会年次学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 経鼻胃管投与を目的に自己調製した半固形化栄養剤の物性評価2018

    • Author(s)
      淺香 隆、村上直彦、菊川久夫、岡部春香、安積正芳
    • Organizer
      第21回日本病態栄養学会年次学術集会
    • Related Report
      2017 Research-status Report
  • [Remarks] Interview with Professor Asaka, Tokai University

    • URL

      https://www.aandd.jp/support/materials/Interview_Prof_Asaka.pdf

    • Related Report
      2019 Annual Research Report
  • [Remarks] 患者にも看護・介護スタッフや家族にもやさしく安全な食事を実現するオーダーメード流動食

    • URL

      http://www.tec.u-tokai.ac.jp/research/830.html

    • Related Report
      2018 Research-status Report
  • [Remarks] 東海大学 応用化学科 淺香研究室様にインタビュー

    • URL

      https://www.aandd.co.jp/adhome/pdf/way/way_vol10.pdf

    • Related Report
      2018 Research-status Report

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

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