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Abstract Title:

Effects of highβ-glucan barley on visceral fat obesity in Japanese individuals: A randomized, double-blind study.

Abstract Source:

Nutrition. 2017 Oct ;42:1-6. Epub 2017 May 15. PMID: 28870472

Abstract Author(s):

Seiichiro Aoe, Yasunori Ichinose, Noriko Kohyama, Kozo Komae, Asuka Takahashi, Daigo Abe, Toji Yoshioka, Takashi Yanagisawa

Article Affiliation:

Seiichiro Aoe

Abstract:

OBJECTIVE: The aim of this study was to investigate whether a diet in which highβ-glucan barley was substituted for rice would reduce visceral fat obesity in Japanese individuals.

METHODS: A randomized, double-blind, placebo-controlled intervention study was conducted with 100 Japanese individuals with waist circumference (WC)≥85 cm for men or ≥90 cm for women and body mass index (BMI) ≥24 kg/m. Participants were randomly assigned to consume a mixture of rice and either highβ-glucan barley (test group, 4.4 g/d) or β-glucan-free barley (placebo group) for 12 wk. Blood samples and computed tomography scans were obtained before and after the trial.

RESULTS: Both groups showed decreases in body weight and BMI, and these changes were significantly greater in the test group. WC and visceral fat area (VFA) significantly decreased in both groups (VFA: -10.7 cmin the test group; -6.8 cmin the placebo group). These changes did not differ significantly between the groups. However, a subgroup analysis of participants with VFA≥100 cmshowed a significant decrease in the test group, and this decrease was significantly greater than in the placebo group.

CONCLUSIONS: The intake of highβ-glucan barley led to significant and safe reductions in VFA, body weight, BMI, and WC in individuals with visceral fat obesity with VFA ≥100 cm. Barley high inβ-glucan may contribute to preventing visceral fat obesity.

Study Type : Human Study

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