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The proximate composition, mineral content and some
antinutritional components of Jatropha cathartica seed were
studied. Proximate analysis showed that Jatropha cathartica
contains 2.53% moisture, 47.13% crude fat, 1.60% crude fibre, 38.50% crude
protein, 6.32% ash 6.45% carbohydrate. The seeds are rich in various
minerals with highest values occurring for Nitrogen (6.16%), Phosphorus
(2.13%) Magnesium (1.03%) and Potassium (0.99%). Copper and Nickel were
not detected in the sample. The seeds contain 2.95% and 0.41% phytate and
tannin respectively. It could therefore be inferred that the seeds of
Jatropha cathartica is nutritionally promising because of its high
nutrient content and low antinutrient level.
