PROXIMATE CONTENT AND CHEMICAL COMPOSITION OF OCIMUM VIRIDIS LEAF AND OCIMUM GRATISSIUM LEAF
Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2012, Vol 3, Issue 4
Abstract
This study is aimed at determining the proximate content, concentration of some micro/macro elements and the phytochemistry of Ocimum viridis (scent leafs) and Ocimum gratissimum (jaw’s mallow leafs) with the view of updating its usage in orthodox and herbal medicine by man in the treatment of dysentery, diarrhea and wound healing. The leaves sampled of Ocimum viridis and Ocimum gratissimum were collected from Zannari, Jere L.G.A, Borno state, Nigeria. The proximate analysis was carried out using methods of Association of Analytical Chemist and the results showed that Ocimum viridis has higher dry matter (99.70%), crude protein (12.48%), Nitrogen free extract (2.03%), Ash (6.5%) and fats (7.0%). While carbohydrate (83.40%), crude fibre (45.50%) and moisture content (0.4%) were estimated to be higher in Ocimum gratissimum. The levels of eight (8) elements (Ca, F, Cu, Cr, Mn, Zn, Fe, and Pb) were determined using Atomic Absorption Spectrophotometry. The results revealed higher concentration in Ocimum gratissimum except for iron and manganese concentration which are higher of the elements understudy in Ocimum viridis only the lead was not detected in the samples by the methodology employed for the analysis. The concentration of anions (nitrates, phosphates and sulphates) was estimated using the Smart Spectro Spectrophotometer. It shows that, Ocimum viridis has higher concentration of 11.08 mg/g and 7.04 mg/g in nitrates and sulphates respectively. And Ocimum gratissimum has higher concentration of phosphates 6.28 mg/g. The phytochemicals and some heavy and trace elements as well as a few anions were evaluated using standard procedures. The phytochemical screening of both the fresh and dry leafs revealed the presence of very high cardiac glycosides and the flavonoids, terpenoids, saponins, tannins and carbohydrates shows difference in variation of the leafs. And alkaloids were found to be absence in both fresh and dry leafs. The elemental content obtained shows that these sampled leaves could serve as a good dietary source for essential micronutrient because these levels are within the safety baseline content for human consumption, based on World Health Organization acceptable limits.
Authors and Affiliations
F. I. Abdurahman , M. A. Tijjani , U. O. Osuji
Keywords
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