A comprehensive review of conventional and non-conventional solvent extraction techniques

Phytochemicals are produced by plants during primary or secondary metabolic activities. They the bioactive compounds playing important role in defense of host plant against different biotic and abiotic agents functioning attraction stimulation. Most these phytochemicals found to be having beneficial effects on health human beings. All Indian traditional system medicine like Ayurveda, Unani, Siddha uses their formulations. In Moderns era, synthetic analogs prototypes natural used which is however not advisable. It always recommended extract from sources scientifically. The component recovered raw materials dissolving them appropriate solvents at suitable temperatures. can extracted various techniques; classical as well modern. current review attempt bring out a comparative study all conventional non-conventional techniques for extraction phytochemicals.