High salt diet impacts the risk of sarcopenia associated with reduction of skeletal muscle performance in the Japanese population

Yasuko Yoshida*, Keisei Kosaki, Takehito Sugasawa, Masahiro Matsui, Masaki Yoshioka, Kai Aoki, Tomoaki Kuji, Risuke Mizuno, Makoto Kuro-O, Kunihiro Yamagata, Seiji Maeda, Kazuhiro Takekoshi

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

The World Health Organization has recommended 5 g/day as dietary reference intakes for salt. In Japan, the averages for men and women were 11.0 g/day and 9.3 g/day, respectively. Recently, it was reported that amounts of sodium accumulation in skeletal muscles of older people were significantly higher than those in younger people. The purpose of this study was to investigate whether the risk of sarcopenia with decreased muscle mass and strength was related to the amount of salt intake. In addition, we investigated its involvement with renalase. Four groups based on age and salt intake (“younger low-salt,” “younger high-salt,” “older low-salt,” and “older high-salt”) were compared. Stratifying by age category, body fat percentage significantly increased in high-salt groups in both younger and older people. Handgrip strength/body weight and chair rise tests of the older high-salt group showed significant reduction compared to the older low-salt group. However, there was no significant difference in renalase concentrations in plasma. The results suggest that high-salt intake may lead to fat accumulation and muscle weakness associated with sarcopenia. Therefore, efforts to reduce salt intake may prevent sarcopenia.

本文言語English
論文番号3474
ページ(範囲)1-14
ページ数14
ジャーナルNutrients
12
11
DOI
出版ステータスPublished - 2020 11月
外部発表はい

ASJC Scopus subject areas

  • 食品科学
  • 栄養および糖尿病

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