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Year : 2020, Volume : 10, Issue : 4
First page : ( 287) Last page : ( 292)
Print ISSN : 2231-5640. Online ISSN : 2231-5659. Published online : 2020  09.
Article DOI : 10.5958/2231-5659.2020.00050.8

Recent Advances in Extraction Techniques of Herbals - A Review

Pawar Archana R.*,1, Vikhe Dattaprasad N.1Prof., Jadhav R. S.1Dr.

1Department of Pharmacognosy, Pravara Rural College of Pharmacy, Pravaranagar, Maharashtra, India

*Corresponding Author E-mail: archupawar03@gmail.com

Received:  30  ,  2020; Accepted:  15  ,  2020; :  17  ,  2020.

Abstract

There is aday by day increase in demand for alternative and complementary medicines, specifically herbal botanicals, herbal medicines due to various side effects exhibited by conventional drugs. Plants have been the prime most source of medicines since life on earth; more than 55% of existing disease treatments are derived from herbal Sources. Herbal therapies are used worldwide to treat health conditions, as well as are widely utilized in health and food industries. Herbal medicine, specially including traditional Chinese medicine, has been used for the treatment, prevention, and cure of diseases or disorders for centuries. In addition to being used directly as therapeutic and pharmacological agents, medicinal plants are also important sources for pharmacological drug research as well as development. Public awareness on the adverse effects of synthetic chemical products also increased the high demand for herbal products. The study on medicinal plants initiated with extraction procedures that play an important role to the extraction outcomes (e.g. yield and phytochemicals content) and also to the consequent assays performed. A wide range of technologies with various methods of extraction are available nowadays. Various novel techniques including supercritical fluid extraction, ultrasound- assisted extraction, microwave assisted extraction, and Soxhlet extraction have been developed for the extraction of nutraceuticals from the plant in order to decrease the extraction time, shorten the solvent consumption, enhance the quality of extracts and increase the extraction yields. Highly efficient extraction technologies and herbal processing have been developed to obtain the optimal amounts of active ingredients from herbal plants and cope with the increasing demands for herbal products. The paper begins with the brief history of importance of herbals followed by the descriptions of various types of extraction processes with critical analysis of their relative advantage and disadvantages.

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Keywords

Soxhlet extraction, Ultrasound-assisted extraction, Phytochemicals, Herbal products, Novel techniques.

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