Evaluation Techniques Employed for Herbal Drugs: Special emphasized on Phytochemical Evaluation of Polyherbal Formulation
Abstract
Herbs are produced in two main ways: collection from wild plants from their natural habitats and cultivation of herbs that are grown that the plant collected is the one that is desired and having uniform quality attributes while in wild-crafted herbs there is a chance that the wrong herb has been picked, which could lead to serious consequences. So herbal drugs or it’s standardize extracts or pure active compound needs Analytical techniques to confirm its identity, quality, purity, potency, safety and efficacy of the plant. Evaluation of herbal drug is an important tool in the formulation of high quality herbal products. Quality of herb is depends upon on many factors like cultivation, collection, drying, storage, processing for market etc. Now a day’s substitution and adulteration of herb is very common due to scarcity of drug and its high price prevailing in the market. Owing to medicinal properties attributed to an herb, it is necessary to maintain its quality and purity in the commercial market. A present overview covering various tool like morphological, microscopical, physical, chemical and biological employed for evaluation of herbal drugs including the recent techniques employed for phytochemical evaluation of poly herbal formulation.