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- Title
Association between Branched-Chain Amino Acid Intake and Physical Function among Chinese Community-Dwelling Elderly Residents.
- Authors
Liao, Minqi; Mu, Yingjun; Su, Xin; Zheng, Lu; Zhang, Shiwen; Chen, Hongen; Xu, Shan; Ma, Junrong; Ouyang, Ruiqing; Li, Wanlin; Cheng, Chen; Cai, Jun; Chen, Yuming; Wang, Changyi; Zeng, Fangfang
- Abstract
This study aimed to evaluate the potential associations of dietary BCAAs (isoleucine, leucine, and valine) with physical function in the elderly Chinese population. A validated semiquantitative food frequency questionnaire and anthropometric and physical function measurements were used to collect data. We modeled trends in physical function indicators for BCAA quartiles using multivariate linear regression models. Among 4336 (43.97% men) participants aged 72.73 ± 5.48 years, a higher dietary intake of BCAAs was positively associated with increased handgrip strength (all p trends < 0.001), shorter times for 4-m fast walking (all p trends < 0.001) and repeated chair rises (all p trends < 0.001). No linear association was found between subtypes of amino acids and any physical functions (all p trends > 0.05). Individuals in the highest quartiles of BCAA intake had a reduced risk of developing low muscle strength, and the multiadjusted odds ratios (ORs) and 95% confidence intervals (95% CIs) for women and men were 0.50 (0.38–0.65) and 0.67 (0.50–0.91), respectively. Similarly, higher BCAA consumption was associated with a lower risk of developing low physical performance (4-m walking speed: OR = 0.68 [0.50–0.93]; repeated chair rises: OR = 0.66 [0.54–0.81]). Higher dietary BCAA intake might be beneficial for physical function in the elderly population.
- Subjects
GRIP strength; BRANCHED chain amino acids; CONFIDENCE intervals; ANTHROPOMETRY; MULTIVARIATE analysis; REGRESSION analysis; PHYSICAL fitness; DIETARY supplements; INDEPENDENT living; BODY movement; QUESTIONNAIRES; WALKING; MUSCLE strength; ODDS ratio
- Publication
Nutrients, 2022, Vol 14, Issue 20, p4367
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu14204367