BackgroundRecent epidemiological and experimental studies suggest that cadmium and diabetes-related hyperglycemia may act synergistically to worsen metabolic regulation. The present study aims to evaluate the potential effects of Enhydra fluctuans extract in diabetes and dyslipidemia in cadmium (CdCl2) induced- normal and type 2 diabetic model rats.MethodForty-eight Long-Evans rats were divided equally into the following six groups: Normal Control (N-C), Normal treated with CdCl2 (N-Cd), Normal treated with plant extract (N-P), Normal treated with both plant extract and CdCl2 (N-PCd), Diabetic treated with plant extract (DM-P) and Diabetic treated with both plant extract and CdCl2 (DM-PCd). Blood glucose and other biochemical parameters were estimated by the enzymatic colorimetric method. Histological analysis of liver and heart was done by the hematoxylin-eosin (H & E) method.ResultsTwenty-one days treatment of E. fluctuans extracts at a dose of 200 mg/kg significantly reduced blood glucose level in N-PCd and DM-PCd (p < 0.05), and DM-P (p < 0.01) group. The plant extract had no direct effects on total blood lipids but, it had beneficial effects on TG/HDL-C ratio in N-P and DM-PCd groups (p < 0.05). Cd induction significantly reduced body weight [(N-Cd, N-PCd, DM-PCd) (p < 0.01)], and induced liver [N-Cd (p < 0.05), N-PCd, p < 0.001] and renal impairment [N-Cd (p < 0.05)]. In bi-variate association, a significant positive correlation between serum glucose and SGPT (p < 0.05) as well as SGPT and TG/HDL ratio (p = 0.019) was found in DM-P and in the merged group. The histology of liver and heart showed severe damages including inflammation, nuclear pyknosis, loss of myocardial fibers, necrosis and fibrosis in the Cd treated groups compared to plant treated groups.ConclusionE. fluctuans seems to have potent antihyperglycemic effects in diabetes and Cd toxicity along with partial antidyslipidemic properties in euglycemic and diabetic rats. Our study suggests a novel oral antihyperglycemic agent in the present environmental context.
Chemical preservation has become an increasingly important practice in modern food technology. Sodium benzoate is a permitted food additive in restrictive amounts by international laws, but their content must be declared and must not exceed the established limits by legislation. An experimental study for the level of sodium benzoate in different brands of mango juices available in the markets, stores and shops in Tangail region of Bangladesh was determined by high performance liquid chromatography. A Luna 5 µ C18 (2) 100A column (250 × 4.6 mm) was used for the chromatographic analysis. Chromatographic separation was achieved with isocratic solvent system comprising of sodium acetate and acetic acid buffer (pH =4.0)/acetonitrile in the ratio of 80:20 (1 ml/min) at 37 o C and the chromatograms were recorded at 254 nm.The limit of detection and quantification for sodium benzoate was 0.00076 mg/100 ml and 0.00231 mg/100 ml, respectively. Quantification of the selected brand juices revealed that the level of the used sodium benzoate was within the FDA standard range. But by comparing with the Bangladesh Standard and Testing Institute (BSTI), brand-1 and brand-3 of the analyzed juice samples was found to deviate the current legal limits. The percentage recovery was found to be 92.04 ± 1.98 to 98.01 ± 1.91. It was found that some of the brands used excess amount of sodium benzoate which may be harmful for our health.
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