Black plum, the fruit of Vitex doniana, was harvested in three (3) regions belonging to different climatic zones in northern Côte d'Ivoire. Biochemical characteristics of the pulps were studied in order to highlight their nutritional potential and the variability of this composition according to study areas. From the conventional biochemical analyzes used, it appears that the fruit pulp is acidic and mostly made up of water. It is rich in sugars and has antioxidant power between 18.63 ± 0.02 and 35.54 ± 0.01 µg.mL -1 . There is also the presence of polyphenols (166.67 ± 0.01 -196.67 ± 0.01 mEq A.G./100g) and vitamin C (14.34 ± 0.02 -15.05 ± 0.07 mg/100g). Ashes consist of minerals such as magnesium, potassium and calcium. The analysis of the variance showed that the mean of the parameters studied are significantly different from one region to the other, except the ash rate and vitamin C content. In view of its nutritional quality, black plum presents itself as an interesting fruit to be taken into account in the prevention of certain dietary imbalances and which can even intervene at low cost in the treatment European Scientific Journal January 2018 edition Vol.14, No.3 ISSN: 1857 -7881 (Print) e -ISSN 1857- RésuméLa prune noire, fruit du Vitex doniana a été récoltée dans trois (3) régions appartenant à des zones climatiques différentes du Nord de la Côte d'Ivoire. Les caractéristiques biochimiques des pulpes ont fait l'objet d'une étude qui visait la mise en exergue de leur potentiel nutritionnel et la variabilité de cette composition suivant les zones d'étude. Des analyses biochimiques classiques utilisées, il ressort que la pulpe des fruits est acide et majoritairement constituée d'eau. Elle est riche en sucres et a un pouvoir antioxydant compris entre 18,63 ± 0,02 et 35,54 ± 0,01 µg.mL -1 . On note également la présence de polyphénols (166,67 ± 0,01 -196,67 ± 0,01 mEq A.G./100g) et de la vitamine C (14,34 ± 0,02 -15,05 ± 0,07 mg/100g). Les cendres se composent de minéraux tels le magnésium, le potassium et le calcium. L'analyse de la variance a montré que les moyennes des paramètres étudiés sont significativement différentes d'une région à l'autre, hormis le taux de cendres et la teneur en vitamine C. Au regard de sa qualité nutritionnelle, la prune noire se présente comme un fruit intéressant à prendre en compte dans la prévention de certains déséquilibres alimentaires et pouvant même intervenir à moindre frais dans le traitement de certaines pathologies.
Food craft is very active in Ivory Coast. It is mainly sold in the street and show a large variety of products, among them gnomy, a traditional donut prepared from fermented and deep fried millet. Evaluation of physical, chemical and microbiological characteristics of this food was the main theme of this study. The results demonstrate that gnomy is an acid food with a pH around 5.88 and protein content of 4.7 g/100 g. The absence of Salmonella and enumeration of aerobic mesophilic bacteria, Coliforms and Streptococci in the final product show that the gnomy produced at the laboratory following good hygiene practices is a food of satisfactory sanitary quality. Keywords:Gnomy, microbiological quality, millet, nutritional quality RésuméL'artisanat alimentaire est très actif en Côte d'Ivoire. Il se pratique essentiellement dans la rue et propose une variété de produits différents dont le gnomy, un beignet traditionnel à base de mil fermenté. L'évaluation des
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