A comparative preliminary phytochemical screening on the leaves, stems and the roots of three viburnum Linn. species

The leaves,stem and the roots of Viburnum punctatum, Viburnum coriaceum and Viburnum erubescens were collected from Nilgiri Hills and Coimbatore, Tamilnadu and taxonomically authenticated. Herbarium of the species was submitted to the museum of the place of research studies. The samples were shade dried for a week. About 500 g of powdered samples were extracted with petroleum ether (60 - 80º C), benzene, chloroform and 75 % v/v ethanol successively in a soxhletor one by one and followed by digesting the marc in boiling water in addition to the determination of percentage extractives. The extracts were qualitatively tested for their different chemical constituents employing suitable materials and methods.The results were presented comparatively in such a way that some advanced phyto chemical investigations can be progressed on these species in future.

Author(s): K Prabhu, P K Karar, S Hemalatha and K Ponnudurai

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