Effect of Sago Analogue Rice and Red Bean Diet to the Improvement of β-cell Pancreas in Streptozotocin-Nicotinamide (STZ-NA) Induced Diabetic Rats

Sri Budi Wahjuningsih^1*, Haslina Haslina¹, Agus Tri Putranto²and Mita Nurul Azkia¹

¹Department of Agricultural Product Processing, Faculty of Agricultural Technology, Universitas Semarang, Semarang, Indonesia

²Center of Technology Assessment and Application Board, Ministry of Research, Technology, and Higher Education of Republic Indonesia

Corresponding Author Email: sribudiwahjuningsih5678@gmail.com

The study aims to determine the effect of sago analogue rice and red beans in diabetic rats to repair pancreatic β-cells. Thirty-five males Wistar rats were divided into 5 groups: normal group diet (STD), the diabetic group (STDD) with a standard feed diet, the diabetic group with mentik wangi rice (MWRD), the diabetic group with sago analogue rice (SARD) and the diabetic group with sago analogue rice with the addition of 10% red bean flour (SARKBD). All groups were analysed for dietary interventions, blood glucose level, insulin level for HOMA-β and HOMA S indices and measurement of insulin level by using IHC analysis. In addition, short-chain fatty acids (SCFA) analysis was performed in the caecum. This study showed that decreasing blood glucose level shown in SARD and RASKBD groups. The pancreatic β-cell number indicated an increase in the SARD group compares to the STDD group. The pool total of SCFA in SARD group was the highest among of all groups, as well as the acetate, propionate and butyrate pools. These results indicate that the sago analogue rice diet could repair and increase the expression of pancreatic β-cell through absorption inhibition mechanisms and by increasing insulin sensitivity and the SCFA level.

β-cell pancreas; Diabetic Mellitus; Insulin Sensitivity; Red Bean; Sago Analogue Rice

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