期刊
FOOD & FUNCTION
卷 12, 期 11, 页码 5087-5095出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1fo00535a
关键词
-
资金
- Earmarked Fund for Jiangsu Agricultural Industry Technology System [JATS[2020]413]
The study showed that PGP2 has hypoglycemic activity in diabetic mice, effectively reducing blood glucose instability, improving insulin sensitivity, and enhancing organ protection. Additionally, PGP2 can regulate lipid metabolism, helping to lower cholesterol and triglyceride levels.
Polysaccharides have hypoglycemic activity and pea protein has high nutritional value. The purified pea glycoprotein PGP2 has been shown to inhibit the activity of alpha-glucosidase and alpha-amylase in previous studies. To study the mechanism of PGP2-induced blood glucose lowering in vivo, this paper established a diabetic mouse model by intraperitoneal injection of STZ and high-fat diet, and evaluated the blood-glucose-lowering activity of the pea component PGP2 at different doses. The results showed that intragastric administration of PGP2 could effectively reduce diabetic weight loss and polyphagia symptoms, reduce fasting blood glucose levels in mice, and improve oral glucose tolerance levels in mice. PGP2 could promote insulin secretion and had a protective effect on mouse organs. After intragastric administration of PGP2 in mice, the serum levels of total cholesterol, triglycerides and low-density lipoprotein decreased. PGP2 up-regulated the gene expression of insulin receptor substrates IRS-1 and IRS-2 in liver tissues, thereby reducing insulin resistance. Based on the above experimental results, PGP2 had good hypoglycemic activity and was expected to be developed as a natural medicine for the treatment of type II diabetes.
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