Nutritional and Antinutritional Components of Pennisetum purpureum (Schumach)
DOI:
https://doi.org/10.3923/pjn.2009.32.34Keywords:
Anti-nutrients and phytochemical screening, Pennisetum purpureum, proximate compositionAbstract
The matrices of young shoots of Pennisetum purpureum (Schumach) were subjected to proximate and phytochemical analyses. The proximate profile included moisture (89.00%), total ash (2.00% WW and 18.18% DW), crude protein (2.97% WW and 27.00% DW), crude fat (1.63% WW and 14.82% DW), total carbohydrate (3.40% WW and 30.91% DW) and total metabolizable energy value (34.48 kcal 100 g-1 WW and 313.45 kcal 100 g-1 DW). The phytochemical screening revealed the presence of alkaloids, cyanogenic glycosides, flavonoids, oxalates, phytates, saponins and tannins. The anti-nutrients composition included tannins (28.640%), cyanogenic glycosides (2.830%), oxalates (0.159%), phytates (0.006%) and saponins (0.850%). This result suggests relative safety for consumption and the possibility of improving the nutritional quality of Pennisetum purpureum through dehydration.
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