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Abstract Title:

Effect of Highβ-glucan Barley on Postprandial Blood Glucose and Insulin Levels in Type 2 Diabetic Patients.

Abstract Source:

Clin Nutr Res. 2020 Jan ;9(1):43-51. Epub 2020 Jan 28. PMID: 32095447

Abstract Author(s):

Yukie Fuse, Mariko Higa, Naoko Miyashita, Asami Fujitani, Kaoru Yamashita, Takamasa Ichijo, Seiichiro Aoe, Takahisa Hirose

Article Affiliation:

Yukie Fuse

Abstract:

The aim of our study was to investigate whether highβ-glucan-containing barley (7.2 g per 100 g) improves postprandial plasma glucose levels and suppresses postprandial insulin levels during a meal tolerance test in type 2 diabetic patients. A meal tolerance test (500 kcal) was conducted using two types of test meals: a test meal with white rice (WR) alone (WR diet) and a test meal with WR mixed with 50% barley (BR diet) as staple food. The side dish was the same in the both meals. The changes in plasma glucose and serum C-peptide immunoreactivity (CPR) levels for 180 minutes after ingestion of the test meals were compared. Ten patients with type 2 diabetes (age 52.5 ± 15.1 years, and 7 males and 3 females) were included in this study. The mean HbA1c level and body mass index were 8.8 ± 1.4%, and 29.7 ± 4.5 kg/m, respectively. Plasma glucose levels after ingestion of the WR diet or BR diet peaked at 60 minutes, which showed no significant differences between the two types of test meals. However, the incremental area under the curve (IAUC) of plasma glucose levels after ingestion of BR diet was significantly lower than that of WR diet. The serum CPR levels at 180 min and their IAUC over 180 minutes after ingestion of BR diet were significantly lower than those of WR diet. Conclusion: Increase in postprandial plasma glucose and insulin levels was suppressed by mixing high-β-glucan barley with WR in type 2 diabetic patients.

Study Type : Human Study

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