Bioactivity of methanolic extract of Brassica juncea in animal model of diabetes mellitus
Abstract
Abstract Objective To study the bioactivity of methanolic extract of Brassica juncea on animal model of diabetes mellitus along with its effect on diabetic and metabolic parameters. Methods Diabetes mellitus was induced in rats by injecting streptozotocin (60 mg/kg) intraperitonealy. Blood glucose was measured on day 3 by GOD-POD method to confirm the diabetes mellitus. Rats having fasting blood glucose > 250 mg/dL were further selected for study and they were divided into four groups, control, control + streptozotocin, streptozotocin + metformin (75 mg/kg) and streptozotocin+ extract of B. juncea (450 mg/kg). Each group consisted of six rats of either sex. Metformin and experimental extract were administered for 21 d. Triglyceride, cholesterol level were measured on day 21 by commercially available kit. Blood glucose was measured on days 7 and 21. Anti-oxidant potential was assessed by estimating extent of lipid peroxidation (LPO) by malondialdehyde (MDA), nitric oxide (NO), superoxide dismutase (SOD) and glutathione (GSH) in liver, kidney, pancreas, muscle tissues on day 21. Unpaired and paired student's t-test was applied for statistical analysis. Results The extract of B. juncea showed significant decrease in blood glucose level on day 21. The treatment group showed significant difference in oxidative stress by increasing SOD and GSH and decreasing LPO and NO activity on day 21. The treatment didn't show statistically significant difference of cholesterol, and…
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