Abstract
The search for new antioxidant compounds and minerals to combat the nutritional needs of the populace of Nigeria is on the increase. This study investigates the phytochemical composition, antioxidant, proximate, and mineral status of Egyptian Citrus paradise: A popular citrus fruit consumed in Wamakko Local Government Area of Sokoto State using standard procedures. The result revealed that the presence of important phytoconstituents, namely, flavonoids, terpenoids, saponins, phenolics, cardiac glycosides, and reducing sugars with alkaloid was reported to be absent. The juice concentrates exhibit an appreciable but significantly lower (P < 0.05) 1, 1-diphenyl-1-picryl-hydrazylradical free screening activity compared to the reference antioxidant. The result of the vitamin, proximate, and mineral analysis confirms the concentrate to be a rich source of Vitamin C, minerals such as sodium, magnesium, potassium, calcium, as well as a moderately to poor source of carbohydrate, lipid, protein, fiber, and potassium. These findings will greatly help nutritionist in properly making nutrition recommendations to meet the nutritional priorities of the populace.
Highlights
Health and nutritional problems continue to be of increasing concern worldwide
Fruits have been established to be an excellent source of nutrients like minerals as they play a physiological role, in the body metabolism where they play a key role in the general well-being of the body as well as in the cure of several diseases.[6]
The phytochemical composition of the fruit juice concentrates revealed that the presence of important phytoconstituents, namely, flavonoids, terpenoids, saponins, phenolics, cardiac glycosides, and reducing sugars with alkaloid was reported to be absent [Table 1]
Summary
Health and nutritional problems continue to be of increasing concern worldwide. Malnutrition-related disease conditions constitute a serious global health problem in developing countries like Nigeria, especially among its rural populace, even though seasonal fruits are available among all aged peoples.[1]. Radical scavenging activity of the fruit juice concentrate against the DPPH was performed in accordance with the procedures outlined by Jain et al.[22] A 0.01–0.2 μg/mL of the concentrate was prepared in methanol and used for the assay. Ash, and fiber contents were determined according to the procedures outlined by AOAC.[24] The total carbohydrate was determined by simple difference as follows: Carbohydrate = 100 − (%Ash + %Crude protein + %Crude lipid + %Crude fiber) g/100 g.[25] For the mineral analyses, 5.0 g of the edible portion was wet-ashed using a mixture of 18 M sulfuric acid, 12 M perchloric acid, and 16 M nitric
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