PHARMACOGNOSTICAL EVALUATION OF LEAF OF NIII (INDIGOFERA TINCTORIA L.)
Nitin Kumar Mishra, Alok Kumar, Ravindra Singh and *Manoj Tripathi
ABSTRACT
Nili (Indigofera tinctoria L.) is a shrub belonging to family Fabaceae and its root used in various indigenous systems of medicine against several diseases such as arthritis, fever, cough and cold, intestinal worms, stomach disorder and spleen disease. It is also used in the preparation of several Ayurvedic formulations such as Nilibhringadi Taila, Mahapancagavya Ghrta, Arvindasava and Triphaladi. The present paper provides a detailed account of the pharmacognostical evaluation of Indigofera tinctoria L. leaf. The study includes macro and microscopic characters, powder characteristics, HPTLC fingerprinting, preliminary phytochemical screening, physicochemical parameters. Leaf physicochemical parameters average value of loss on drying at 1050C 6. %, water soluble extractive value14.50%, alcohol soluble extractive value 11.30%, total ash value 6.60%, acid insoluble ash value1.12%, phytochemicals mainly alkaloid, resin, tannin present in the leaf. The information generated by this particulars study provides relevant pharmacognostical and physicochemical data needed for proper identification and authentication of Nili leaf.
Keywords: Pharmacognostic evaluation, HPTLC fingerprinting, Physico-chemical analysis, Preliminary phytochemical screening, Powder microscopy.
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