A review on identification strategy of phyto constituents present in herbal plants

Abstract

Plants have been used as medicine in ancient. Now day’s Pharmaceutical companies start processing of medicinal and aromatic plants in their formulation by using extraction of active components. Extraction of plant components like volatile, Essential or ethereal oils and mixtures composed of volatile liquid and solid compounds depend upon their composition and their boiling point. Now days there are several processes like distillation, enfleurage, maceration, expression, solvent extraction and fluid extraction are available for extraction of plant components. This review also summarizes the characters of phytoconstituents, choice of solvents, influence of solvents, extraction strategy, procedures for extraction of herbal drugs and treatment of drug residue after extraction.