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Comparative Assessment of the Proximate, Mineral Composition and Mineral Safety Index of Peel, Pulp and Seeds of Cucumber (Cucumis sativus)

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DOI: 10.4236/ojapps.2019.99056    131 Downloads   254 Views

ABSTRACT

Cucumber (Cucumis sativus) is a creeping vine that bears cylindrical fruits. It belongs to the gourd family cucurbitacea. It is popularly consumed in all parts of Nigeria. The comparative assessment of proximate, mineral composition and mineral safety index (MSI) of cucumber (peel, pulp and seeds) was determined using standard analytical methods (Association of Official Analytical Chemists) for proximate, minerals composition and mineral safety index. Results showed protein content of (15.9 - 26.5) g/100 g, Carbohydrates (33.7 - 52.7) g/100 g, crude fat (0.13 - 1.44) g/100 g, moisture (12.3 - 21.7) g/100 g and ash (7.85 - 11.6) g/100 g respectively. The calorific values were 1077, 1171 and 1296 kJ/100 g for peel, pulp and seed respectively. Considerable levels of essential and trace elements were observed in the samples. The Na/K ratio (0.25 - 0.36) was close to 0.6, which does not promote high blood pressure in man. The Ca/Mg values obtained were less than the recommended value of 1.0. The milliequivalent ratios of [K/(Ca + Mg)] (3.91 - 4.48) were comparably higher than the recommended value of 2.2 which means the sample would promote hypomagnesaemia in man. The mineral safety indexes of Fe, Na, Ca, Zn, Cu and Mg of the samples (peel, pulp and seeds) indicate no overloading in the body if consumed. The results showed that all the parts of Cucumis sativus are good potentials of nutrients for human consumption.

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Niyi, O. , Jonathan, A. and Ibukun, A. (2019) Comparative Assessment of the Proximate, Mineral Composition and Mineral Safety Index of Peel, Pulp and Seeds of Cucumber (Cucumis sativus). Open Journal of Applied Sciences, 9, 691-701. doi: 10.4236/ojapps.2019.99056.

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