Article Publish Status: FREE
Abstract Title:

Protective Effects of Anthocyanin Extract from Purple Sweet Potato (L.) on Blood MDA Levels, Liver and Renal Activity, and Blood Pressure of Hyperglycemic Rats.

Abstract Source:

Prev Nutr Food Sci. 2020 Dec 31 ;25(4):375-379. PMID: 33505931

Abstract Author(s):

Ervika Rahayu Novita Herawati, Umar Santosa, Suharwadji Sentana, Dini Ariani

Article Affiliation:

Ervika Rahayu Novita Herawati


There has been a dynamic progression in the study of purple sweet potatoes, particularly in regard to their antioxidant compounds, such as anthocyanins. Antioxidants can reduce oxidative stress due to hyperglycemia, therefore research into the protective effects of hyperglycemia is essential. This study was conducted to investigate the protective effects of anthocyanin extracts from purple sweet potatoes on blood malondialdehyde (MDA) levels, liver and renal activity, and blood pressure in hyperglycemic rats. Anthocyanin from purple sweet potato (APSP) was extracted with ethanol-citric acid 3% solvent. Twenty-four rats were split into four experimental groups: (i) healthy rats; (ii) hyperglycemic rats without anthocyanin treatment; (iii) hyperglycemic rats treated with APSP extract at a dose of 50 mg/kg; and (iv) hyperglycemic rats treated with APSP extract at a dose of 100 mg/kg. Rats received treatment for 35 days. The results showed that consumption of APSP significantly reduced levels of MDA in the blood, and liver and renal systems. APSP could reduce the urea and creatinine levels, which are indicative of improved renal function. In addition, APSP could decrease serum glutamate oxalacetate transaminase and serum glutamate pyruvate transaminase levels, indicative of protective activity of the extract on liver, and decrease systolic blood pressure. Accordingly, it was concluded that APSP could be developed as a functional food for treatment of diabetes.

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