食事中の主要フラボノイドクラス摂取と閉経年齢の関連性:集団ベースの横断研究
Ran Wei1,2, Lu Liu1,2, Runze Zhao1,2
1Department of Reproductive Medicine, Affiliated Hospital of Shandong Second Medical University, Weifang, Shandong, People's Republic of China.
The British journal of nutrition
|December 26, 2025
まとめ
食事中のフラボノイド、特にアントシアニジンは閉経を遅らせる可能性がある。しかし、適度なフラボノール摂取は早期閉経と関連しており、複雑な相互作用が示唆される。女性の生殖健康に対するフラボノイドの影響に関するさらなる研究が必要である。
科学分野:
- 栄養疫学; 女性の健康; 生殖内分泌学
背景:
- 閉経年齢は女性の全体的な健康と老化の重要な指標である。; 食事フラボノイドは、疾患リスクの低減に関連する広く消費されているポリフェノールである。
研究 の 目的:
- 食事フラボノイド摂取と閉経年齢との関連性を調査すること。; 特定のフラボノイドサブクラスと閉経遅延との関係を探ること。
主な方法:
- NHANESデータベース(2007-2018)の680人の参加者を対象とした分析。; 多重ロジスティック回帰および制限立方スプライン(RCS)プロットを使用した。; アントシアニジン、フラボノール、イソフラボン、フラバン-3-オールなどのフラボノイドサブクラスの摂取量を調査した。
主要な成果:
- アントシアニジン摂取量の増加は閉経の遅延と相関していた(OR=4.123、p=0.036)。; 適度なフラボノール摂取は早期閉経との関連を示した(Q2 vs. Q1、OR=0.081、p=0.001)。; イソフラボン、フラバン-3-オール、フラボノール、閉経時期との間に非線形関係が観察された。
結論:
- 特定の食事フラボノイドが閉経時期に影響を与える可能性がある。; アントシアニジンは閉経を遅らせる可能性を示し、フラボノールは閉経を早める可能性がある。; 女性の生殖健康における食事フラボノイドの複雑な役割に関するさらなる調査が必要である。
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