Oil Content and Fatty Acid Composition of Dioclea reflexa Seeds
نویسنده
چکیده
Dioclea reflexa seeds belonging to the family called Fabaceae were evaluated for its oil content and fatty acid composition chemical composition. Proximate results indicated that D. reflexa seeds contained ash (9.17±0.01%), crude fat (10.65±0.01%), fiber (9.25±0.03%), moisture (13.30±0.01%), crude protein (26.00±0.43%), carbohydrate (31.63±0.12%) and calorific value (1372.07 KJ/100g. Minerals analysis showed that D. reflexa seeds contained potassium (4.09±0.04), sodium (4.88±0.25) magnesium (0.80±0.042), zinc (2.10±0.03), iron (0.48±0.05), manganese (0.37±0.61) and calcium (7.11±0.42) all in mg/l. Physico-chemical properties of the seeds revealed that it contains acid value (2.24±0.15), free fatty acids (1.13±0.15), iodine value (115.45±1.50), peroxide value (5.60±0.20), saponification value (318.63±2.4) and ester value (316.4±2.50). Among the ten fatty acids determined in D. reflexa seeds, C18:1 gave the highest concentration of 31.495g/100g while C20:2 had the least value of 1.594g/100g. The results of phytochemical screening showed that D. reflexa seeds contain alkaloids, cardiac glycoside, phlobatannin and saponin. This study showed that the Dioclea reflexa seeds contained alkaloid and glycosides which are of pharmacological significance and high levels of carbohydrate, crude protein and moisture content could serve as supplementary sources of essential nutrient to man and livestock.
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