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Nutritional and Antioxidant Evaluation and Effect of Eggplant Consumption on Anthropometric and Hematologic Parameters in Wistar Rats

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Food and Nutrition Sciences 2024年第4期15卷 245-262页

作者： Elenga Michel Nkouka Rhode Gouollaly Tsiba Wossolo Stephane itoua okouango yvon simplice Mananga Vital Multi-field Team of Research in Feeding and Nutrition (Eprancongo) Faculty of Sciences and Technology Marien Ngouabi University Brazzaville Republic of the Congo Laboratory of Human Nutrition and Feeding (LaNAH) Faculty of Sciences and Technology Marien Ngouabi University Brazzaville Republic of the Congo Department of Pharmacopeia and Traditional Medicine National Institute of Health Science & Research (IRSSA) Scientific City of Brazzaville Brazzaville Republic of the Congo Laboratory of Pharmacodynamics and Experimental Pathophysiology (L2PE) Faculty of Sciences and Technology Marien Ngouabi University Brazzaville Republic of the Congo

The aim of the present study was to evaluate the nutritional quality of green and purple eggplant, their antioxidant activity and their nutritional efficacy on Wistar rats. For nutritional quality, the parameters measured are dry matter, protein, lipid, ash, carbohydrate, iron, phosphorus, calcium, magnesium and energy content. For antioxidant activity, the parameters measured are 50% DDPH free radical inhibition concentration and total polyphenol content. Nutritional efficacy was evaluated in rats fed the control diet and in rats fed the three treated diets containing eggplant meal obtained by replacing 5%, 10%, and 15% of the control diet. The parameters measured are the amount consumed, the weight of the animal and target organs, and hematologic parameters. The results of the nutritional analysis show the following values: 13.31% protein, 2.66% lipids, 0.84% calcium, 0.12% magnesium, 0.43% phosphorus for the Solanum aethiopicum L. species and 13.47% protein, 3.66% lipids, 0.36% calcium, 0.22% magnesium, 0.35% phosphorus for the Solanum melongena L. species. In terms of antioxidant activity, we obtained DDPH inhibition percentages of 40.28 mg/ml for Solanum aethiopicum L. and 12.42 mg/ml for Solanum melongena L., respectively. Finally, hematologic and anthropometric tests showed that for the different diets used, weight loss and an increase in hematologic parameters were observed in the rats tested. This study showed that eggplant has interesting nutritional characteristics and antioxidant activity, contributing to an increase in weight and anthropometric parameters.

关键词： Fruit Vegetables Eggplant Solanum aethiopicum L. Solanum melongena L. Antioxidants Polyphenols

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Nutritional and Antioxidant Evaluation and Effect of Eggplant Consumption on Anthropometric and Hematologic Parameters in Wistar Rats

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Food and Nutrition Sciences（食品与营养科学） 2024年第4期 245页

作者： Elenga Michel Nkouka Rhode Gouollaly Tsiba Wossolo Stephane itoua okouango yvon simplice Mananga Vital

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Dietary and Biochemical Profile of Congolese Athletes in Endurance Races during International Competition

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Journal of Biosciences and Medicines 2022年第9期10卷 340-357页

作者： Eddie Janvier Bouhika Alain Marc Boussana Paul Roger Mabounda Kounga Florent Nsompi simplice Innocent Moussouami Burton Calvin Mboutou Denove Styven Lolo Rhyne Andrée Bouhoyi Pambou yvon simplice itoua-okouango Michel Elenga François Mbemba Unité de Recherche Nutrition Santé et Motricité Humaine Institut Supérieur d’Education Physique et Sportive Université Marien Ngouabi Brazzaville République du Congo Unité de Recherche Education Santé Expertise et Optimisation de la Performance Motrice Université Marien Ngouabi Brazzaville République du Congo Laboratoire de Physiologie de l’Effort et de Biomécanique (LPB) Institut Supérieur d’Education physique et Sportive (ISEPS) Université Marien Ngouabi Brazzaville République du Congo Laboratoire de l’alimentation et Nutrition Humaine (LANH) Faculté des Sciences et Techniques Université Marien Ngouabi Brazzaville République du Congo

Biochemical parameters are useful in the diagnosis of many health abnormalities in athletes. Some studies suggest training well and eating a balanced diet to improve performance. The modification of biochemical parameters during endurance races has not yet been studied in many African countries. Our objective was to evaluate the dietary profile and the effects of competition on the biochemical parameters of Congolese endurance athletes. The method used was the questionnaire for the food profile and blood samples were taken to measure the biochemical parameters of the athletes. A total of 64 athletes, i.e. 20 girls and 44 boys divided into two groups (group 1 or experimental group (EG), 32 endurance athletes and group 2 or control group (CG), 32 walkers who participated in a cross-sectional study in Brazzaville. The subjects were respectively 26.16 ± 2.79 years old for the EG and 27.44 ± 3.34 years old for the CG. The results indicated that quality foods were difficult to access. The main course was more consumed compared to the starter and dessert (60% of girls and 63.63 of boys). However, biochemical parameters showed a significantly lower serum creatinine concentration in EG subjects compared to CG subjects (0.86 ± 0.06 mg/dl vs 1.04 ± 0.16 mg/dl;t = ?5.95;p 0.05). Similarly, Total Cholesterol was significantly low (1.66 ± 0.34 g/l vs 2.09 ± 0.50 g/l;t = ?3.99;p < 0.000). Cholesterol concentrations of EG subjects (HDL-C) were significantly elevated (0.98 ± 0.49 g/l vs 0.48 ± 0.18 g/l;t = 5.34;p < 0.000). In conclusion, the biochemical data were normal but the food profile of the runners was unfavorable, inadequate and unbalanced. This is considered to be a performance limiting factor.

关键词： Food Profile Biochemical Parameters Congolese Athletes Endurance Race International Competition

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