Preliminary Studies on Piliostigma thonningii seeds: Proximate analysis, mineral composition and phytochemical screening
Keywords:
Piliostigma thonningii, proximate composition, phytochemical screening, antioxidant micronutrients
Abstract
Qualitative determination of chemical and nutritional composition of Piliostigma thonningii, an underexploited crop seed in Nigeria, was carried out. Seeds of P. thonningii were found to be rich in crude protein, carbohydrate, and mineral elements. Mineral analysis of P. thonningii showed the seed as good source of antioxidant micronutrients such as iron, calcium, selenium, zinc and manganese. The phytochemical screening of the seed showed the presence of saponins, flavonoids, phenolics, glycosides, anthraquinones as well as cardiac glycosides while tannins, steroids, phylobatannins and triterpenes were absent. Although the oil has a very low peroxide value and high iodine value, it cannotbe recommended for consumption because of the low yield as well as its repulsive odour. The seed, however, can serve as a cheap source of protein, energy, as well as antioxidant micronutrients supplements in both man and animal.
Issue
Section
Articles
Copyright for articles published in this journal is retained by the journal.