Pharmacognostical and Phytochemical evaluation of root of Asparagus racemosus Willd.

Md. Parwez Ahmad, Arshad Hussain, Shadma Wahab, Akhtar Alam Ansari, Smita Singh, Chandan Mishra, Shafique Ahmad

Abstract


Aim of this is to examine the Pharmacognastical and Phytochemical properties of Asparagus racemosus. The qualitative microscopy, Phytochemical screening, physicochemical evolution, fluorescence analysis and HPTLC studies were carried out according to the standard procedure recommended in WHO guidelines. The root had compactly arranged, uniseriate, polygonal to radially elongated, thick walled cell represent the outermost piliferous layer. Immediately laying below the epidermis is extensively developed, several layers of thick cortex made up of parenchymatous cells. The cortical cells contain raphide bundles. The innermost one or two layer of cortex immediately outside the endodermis comprises thick-walled cells, with the numerous oval or circular pits on their walls. Endodermis is composed of a single layer of compactly arranged, barrel-shaped parenchymatous cells. Inner to endodermis is a single layer of thin-walled, parenchymatous cells constituting the pericycle in the form of a ring, which surrounds a central stele. Phytochemical investigation of root shows total ash (6.5 %w/w), acid insoluble ash (1.3% w/w), and water-soluble ash (2.2% w/w).  Loss on drying is (5.5% w/w). Cold extractive value in pet, ether (0.5%% w/w) in chloroform (3.4% w/w), methanol (8.0 % w/w) and in water (10.2% w/w). Hot extractive value in pet. ether (0.9% w/w),  in chloroform (4.6 % w/w), methanol (10.40 % w/w) and  in water  (11.2% w/w). In methanolic extract and aqueous extract, tannins and saponins present in a major amount. Other constituents include carbohydrate, glycosides and phenolic compounds were present. Various pharmacognistical parameters evaluated in this study help in identification and standardization of the root of Asparagus racemosus.

KeywordsAsparagus racemosus Willd, Satavar; Phytochemical investigation, Phytochemistry

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