まとめ
この研究では,生後半期の少女の亜鉛補給は,血清亜鉛濃度が上昇したにもかかわらず,骨の成長マーカーに影響を与えないことが判明しました. ほとんどの参加者は,介入前に食事による亜鉛の摂取量が不十分でした.
科学分野:
- 小児の栄養について
- ミネラルメタボリズム
- 骨格の発達について
背景:
- 十分な亜鉛の摂取は,思春期の成長と発達に不可欠です.
- 食事中の亜鉛の摂取量が少ないのは,青少年集団では一般的です.
- 亜鉛サプリメントが近青春期の女の子の骨の健康に与える影響については,さらなる調査が必要である.
研究 の 目的:
- 亜鉛サプリメントの血清亜鉛濃度および近青春期女子における骨の転移マーカーの効果を調査する.
- 短期的な亜鉛サプリメントが,この年齢層における骨格発達指標に影響を与えるかどうかを評価する.
主な方法:
- 47人の近青春期少女を対象としたランダム化,プラセボ対照試験.
- 6週間にわたって1日15mgの亜鉛またはプラセボを補給する.
- 血清亜鉛,インスリン型の成長因子I,および骨の周回量の生化学的マーカーの測定.
主要な成果:
- 亜鉛サプリメントは,プラセボと比較して血清亜鉛濃度を有意に増加させた.
- インスリン類似成長因子Iや骨の周回率マーカーの有意な変化は観察されなかった.
- 参加者の大半 (94%) は,食事による亜鉛摂取量がベースラインの基準値を下回っていた.
結論:
- 短期間の亜鉛サプリメントは,食事による摂取量が少ない近青春期少女の血清亜鉛を効果的に上昇させます.
- このレベルの亜鉛サプリメントは,この集団における骨の成長や骨の転移の重要な指標に影響を与えなかった.
- 小児の骨の健康のために長期的な効果と最適な亜鉛用量を決定するためにさらなる研究が必要です.
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