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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 13, No. 6, 2014, pp. 961-966
Bioline Code: pr14135
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 13, No. 6, 2014, pp. 961-966

 en Pharmacognostic Evaluation of the Bark of Acacia suma check for this species in other resources Roxb (Fabaceae)
Dash, Gouri Kumar; Abdullah, Mohd Syafiq & Acharyya, Suman

Abstract


Purpose: To undertake the pharmacognostic evaluation of Acacia suma check for this species in other resources Roxb bark for the purpose of identification and differentiation from related species.
Methods: The macroscopic and microscopic features of the bark were studied, including the use of powder microscopy with the aid of suitable tools and reagents. Physicochemical parameters such as ash values, extractive values and loss on drying were also determined. The bark powder was successively extracted with different solvents followed by preliminary phytochemical screening of the extracts.
Results: Macro- and microscopic studies revealed an outer hard and woody exfoliating old bark consisting of dead elements of secondary bast alternating with tangential strips of compressed cork tissue. The outer layer consists of cork cell with lenticels, followed by phellum, phellogen and pheloderm layers. Concentric rings of secondary phloem tissue alternating with regularly arranged polygonal stone cells and radially traversed medullary rays were present. Preliminary phytochemical screening showed the presence of alkaloids, carbohydrates, proteins, tannins and phenolic compounds, gums and mucilages, steroids and triterpenoids, saponins and flavonoids in the bark.
Conclusion: The findings of this study will facilitate pharmacognostic standardization of the plant material and aid in the preparation of a herbal monograph for the species.

Keywords
Acacia suma var. Acacia polyacantha; Bark; Pharmacognostic evaluation; Standardization; Phytochemical; Pharmacopoeia

 
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