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Metabolic effects of dietary apple seed oil in rats

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The aim of this study was to determine the fatty acid profile of apple seed oil and its effects on the caecal functions, blood lipids, and markers of antioxidant status and inflammation in rats. A nutritional experiment was performed on Wistar rats allocated to 3 groups of 8 animals each. The animals were fed with a diet containing different sources of fat: pork lard (group LA), rapeseed oil (group RO) and apple seed oil (group AO). Apple seed oil was rich in linoleic acid and oleic acids (57 % and 32.3 % of total fatty acids, respectively). The short chain fatty acid concentration in the caecal digesta was comparable among all groups, whereas the ammonia concentration was lower in groups AO and RO than in group LA (0.32 and 0.3, respectively vs 0.42 mg/g). The plasma alanine (ALT) and aspartate transaminase (AST) activities also decreased in the AO and RO groups (ALT, 19.34 and 19.81, respectively vs 30,7 U/L and AST, 115.1 and 107, respectively vs 138.3 U/L) The plasma triacylglycerols (TG) concentration and the atherogenic index (ATI) of plasma were significantly decreased in the AO group compared to the LA group (TG, 1.79 vs 2.62 mmol/L and ATI, 0.095 vs 0.313). Apple seed oil is a valuable source of unsaturated fatty acids and its dietary addition has slightly better metabolic effects on rat organism than does rapeseed oil.
Biochemical abnormalities observed in canine babesiosis are related to the severity of the disease. The primary biochemical abnormalities found in affected dogs are: increase of the serum activity of transaminases and alkaline phosphatase, azotemia, and hypoglycemia. The purposes of this study were: 1) to estimate biochemical abnormalities in dogs infected with large Babesia in Warsaw and 2) to evaluate statistically changes observed during canine babesiosis in dogs from Warsaw. Samples of serum were collected from dogs naturally infected with large Babesia. Among 2023 positive samples, 202 were randomly selected. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), creatinine, blood urea nitrogen (BUN), total serum protein (TSP), albumin and blood glucose concentration were determined with a clinical chemistry analyser. Elevated activity of ALT, AST and ALP was detected accordingly in: 64.9, 92.6 and 31.7% of dogs. Elevated creatinine concentration and BUN were detected accordingly in 30.7 and 62.4% of dogs. Decrease of TSP, albumin, BUN, and hypoglycemia was detected accordingly in: 19.8, 32.7, 1.5 and 18.3% of dogs. The most common biochemical abnormalities found in affected dogs were: increase of activity of transaminases and ALP, elevated creatinine concentration, hypoalbuminemia and hypoglycemia. These abnormalities resulted from hepatopathy, renal failure and fasting.
The article reviews the work of the author and coworkers on the use of electrophoretic protein analysis in taxonomie studies and classification of genetic resources of some leguminous plants: the genus Pisum, the Old-World Lupinus species and the cultivated Phaseolus species. On the example of the genus Pisum, the object of many years' investigations, the usefulness of electrophoretic analysis of different protein types - seed globulins, seed albumins and enzyme systems - is critically discussed. It has been concluded that variation in seed albumins, proteins often ignored in comparative analyses, should be more widely considered in taxonomie investigations. The conclusion was supported by the results obtained for Lupinus and Phaseolus species.
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