Abstract
Main chemical composition, bioactive constituents and antioxidant activity of Egyptian lupine and fenugreek seeds were investigated. The obtained results showed that white lupine seeds have higher amount of carbohydrate and ash than that in the other seeds. Meanwhile yellow lupine seeds showed the highest percentage of fibers among all tested seeds, while fenugreek seeds were characterized by large amount of crude protein, oil and moisture comparing with both kinds of lupine seeds. On the other side, analysis of bioactive constituents revealed the presence of total phenolics, total flavonoids as well as saponins in the highest amount in fenugreek seeds, whereas the highest values of alkaloids and tannins were belonged to yellow lupine. It is noteworthy that white lupine exhibited the lowest amounts of all tested bioactive components among all studied seeds. And finally, in vitro antioxidant activity using two deferent methods, showed a correlation between total phenolics and total flavonoids on one hand and antioxidant activity on the other hand, where it showed the highest values for fenugreek seeds followed by yellow and white lupine seeds respectively.
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