中年の成人の腸内微生物群に対する食事成分の影響:腸内と地中海との関連
Shrushti Shah1, Chunlong Mu2,3, Grace Shen-Tu4
1Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada. shrushti.shah@ucalgary.ca.
BMC microbiology
|September 7, 2025
まとめ
地中海食は有益な腸内細菌と 微生物の代謝物質を増加させ 代謝の健康を促進します このような食生活は 腸の多様性を高め 慢性疾患を予防する可能性があります
科学分野:
- 腸内微生物群の研究
- 栄養学
- 代謝 健康
背景:
- 地中海食のような 植物性食事は腸内微生物の組成に ポジティブな影響を及ぼします
- 飽和脂肪と糖分が多く含まれている加工食品は 腸の多様性と代謝の健康に悪影響を及ぼします
- 地中海食と腸内微生物群の恩恵を結びつけるメカニズムについては,さらなる解明が必要である.
研究 の 目的:
- 中年成人における地中海食成分と腸内微生物群の関係を調査する.
- ダイエットパターンが腸内微生物の多様性やメタボリート産生に どう影響するか調べる
主な方法:
- アルバータ州の"明日のプロジェクト"のデータを用いた遡及的観察研究.
- カナダの食事歴アンケート (CDHQ-II) で評価された食事摂取量
- 腸内微生物群は16S rRNA配列解析を用いて分析され,血清代謝物はメタボロミクスで測定された.
主要な成果:
- 地中海食の遵守は 腸内微生物のアルファ多様性の増加と相関していた.
- 繊維を分解する有益な細菌 (例えば,Prevotella,Parabacteroides) の増加が観察されました.
- 血清の微生物代謝産物 (例えば,p-ヒドロキシヒプリック酸) の濃度が高まり,食事の順番が高くなる.
結論:
- 腸内微生物群とその代謝産物は 地中海食の健康上の恩恵を媒介する上で重要な役割を果たします
- 地中海の食生活は,代謝の健康に有利な腸内微生物のプロファイルと関連しています.
- 研究結果は 腸内微生物群の調節によって 慢性疾患の予防に地中海食が 役立つことを示唆しています
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