Proximate and Mineral Composition of Kale (Brassica oleracea) Grown in Delta State, Nigeria
DOI:
https://doi.org/10.3923/pjn.2011.190.194Keywords:
Kale, minerals, proximate, vegetablesAbstract
The study examined the proximate and mineral composition of Kale (Brassica oleracea) grown in Delta State, Nigeria. Fresh kale leaves were obtained from Ogbogonogo market in Asaba, Delta State, Nigeria. Random selection of leaves was done by purchasing from randomly selected sellers in the market. The purchased leaves were cleaned by washing with clean water to remove dirt and other contaminants and sent to the laboratory for analysis. From the results, kale was found to be a good source of vegetable protein (11.67%) and fiber (3.0%). Other proximate parameters include; moisture (81.38%), ash (1.33%), fat (0.26%), carbohydrate (2.36%) and energy (58.46 kcal/100 g). Observed mineral content were: sodium (4.69 mg/100 g), potassium (7.03 mg/100 g), calcium (4.05 mg/100 g), iron (8.94 mg/100 g), zinc (2.16 mg/100 g) and magnesium (6.69 mg/100 g). Kale (Brassica oleracea) has a high potential as a vegetable in the preparation of different Nigerian dishes and treatment of various diseases due to its nutritional potentials. No wonder the local nick-name “hospital too far”.
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