Phytochemical Examination and a few botanical attributes of some important vegetables common to South East Nigeria
Publication Date : 20/12/2019
Scientific studies on Phytochemical examination and botanical attributes of some common vegetable crops of South East Nigeria was carried on between 2017 and 2018. The objective was to ascertain the unique attributes of these species particularly their relevance as herbal remedies. Alkaloids, Flavonoids, cardiac glycosides, Tannin, Phytate, Phenol, Anthocyanins and Steroid concentrations were all determined using procedures like Follins Dennis (1974); Young and Greaves (1940); Gravimetric method (Harbone, 1973); Spectrophotometic methods etcetera. At the end of the studies, it was found out that the dominant phytochemicals found in most of our vegetables include: cardiac glycosides, (194.82) Saponins, (151.80), Tannins (128.52) Flavonoids (112.84) while the least were Phytate, (8.13), Phenol (31.88) and Anthocyanins (31.89). vernonia amygdalina is one vegetable that has the highest phenol (3.421), Saponin (28.00), Cardiac glycoside (23.69) and Phytate (1.27) in this work. Vernonia amygdalina and Ocimum gratissimum had the highest steroid content in this work (5.009 and 5.097) respectively). Also Vernonia amygdalina and Ocimun gratissimun again recorded the highest content of Anthocyanin (3.370 and 3.762) respectively. As far as medicinal relevance is concerned therefore, our lead vegetables should be Vernonia amygdalina, Ocimun gratissimum, Gongronema latifolium and Piper guineense as far as this work is concerned. For Botanical attributes, those of vegetables are not very outstanding unlike Trees and Shrubs. This notwithstanding, most were annual forbs with yellowish flowers. Sustainability is the key in the overall development and utilization of our vegetables!
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