Extraction is the first crucial step in preparation of plant formulations. Modern methods of extraction are effective in advancing the development of traditional herbal remedies. The development ...
Abstract. The extraction of raw plant material is an initial stage in the preparation of herbal medicinal products (HMP). In this chapter, specific factors playing …
Solvents used during extraction process are reported to have an influence on the nature and the amount of secondary metabolites extracted from medicinal plants. For example, polar solvents are used to extract phenolic compounds, their glycosides, saponins, and non-polar solvents are used for the extraction of fatty acids and steroids.
Belokurov, S.S., Narkevich, I.A., Flisyuk, E.V. et al. Modern Extraction Methods for Medicinal Plant Raw Material (Review). Pharm Chem J 53, 559–563 …
Traditional extraction methods such as maceration and percolation are currently widely used in pharmaceutical technology. Maceration consists of soaking the required amount of medicinal plant raw material (MPM) in a maceration tank with an extractant at room temperature for 7 d with periodic stirring. The resulting extract is …
Conventional techniques for the extraction of active constituents are time and solvent consuming, thermally unsafe and the analysis of numerous constituents in plant material is limited by the ...
The research on medicinal plants began with extr action processes, which are crucial to the extraction outcomes (such as yield and phytochemical content) as well …
Introduction. Many communities worldwide have been using medicinal plants in their healthcare systems from time immemorial. As far as Africa is concerned, medicinal plants are still a principal component of the traditional healthcare system and may be the earliest and the most robust of all curative entities [1].In most of rural Africa, traditional …
The concept of preparation of medicinal plant for experimental purposes involves the proper and timely collection of the plant, authentication by an expert, adequate drying, and grinding. This is followed by extraction, fractionation, and isolation …
1. Introduction. With the increasing demand for herbal medicinal products, nutraceuticals, and natural products for primary healthcare worldwide, medicinal plant extract …
2. Medicinal plants and herbs The term "medicinal" as applied to a plant indicates that it contains a substance or substances which modulate beneficially the physiology of sick mammals, and man has used it for healthful purpose [16]. Medicinal plants were described by Farnsworth and Soejarto as: "all higher plants with medicinal effects ...
In India, from ancient times, different parts of medicinal plants (80,000 species) have been used as traditional medicines in different systems of Indian medicine for treatments of various diseases.
Microwave-assisted extraction (MAE) is an innovative and effective method to extract compounds from different plants of agronomic, medicinal, nutritional, or cosmetic interest. This technique is ...
Techniques of maceration, percolation and infusion have been traditionally used for making galenicals and tinctures from Medicinal and Aromatic Plants (MAPs). This article describes the underlying principles and mechanisms of these extraction techniques, and discusses the various modifications made for the small and large-scale extraction of ...
Extraction refers to the process of obtaining an herb's medicinal constituents by using an appropriate solvent, such as grain alcohol or glycerine, to get them out of the plant. …
The study of medicinal plants starts with the pre-extraction and the extraction procedures, which is an important step in the processing of the bioactive constituents from plant materials. Traditional methods such as maceration and Soxhlet extraction are commonly used at the small research setting or at Small Manufacturing Enterprise (SME) …
PDF | On Jan 1, 2012, A. Alupului and others published Microwave extraction of active principles from medicinal plants. U.P.B.Science Bulletin | Find, read and cite all the research you need on ...
Natural antioxidants are widely distributed in food and medicinal plants. These natural antioxidants, especially polyphenols and carotenoids, exhibit a wide range of biological effects, including anti-inflammatory, anti-aging, anti-atherosclerosis and anticancer. The effective extraction and proper assessment of antioxidants from food and medicinal …
Standard procedures of separating the therapeutically active portions from medicinal plants via selective solvents are called as extraction with the purpose of separating soluble metabolites leaving behind cellular residue (Handa, Khanuja, Longo, & Rakesh, 2008). Crude extract used in this method contains composite blend of plant …
The purpose of this study was to determine to what extent plant material, solid-to-solvent ratio, and extraction method influence the content of total phenolics and flavonoids and the antioxidant ...
Currently, extraction involves separating medicinally active molecular components of plant tissues from the inert components by using traditional solvent …
In general, extraction procedures include maceration, digestion, decoction, infusion, percolation, Soxhlet extraction, superficial extraction, ultrasound-assisted, and …
Phenolic acids constitute a group of potentially immunostimulating compounds. They occur in all medicinal plants and are widely used in phytotherapy and foods of plant origin. In recent years ...
Chlorophyll is a green pigment consists of tetrap yrrole ring. with a central magnesium ion. It has a long hydrophobic. phytol chain in it s structure. It is found in some varieties in. plants and ...
Eleven Algerian medicinal plants have been measured for phenolic compound content and antioxidant activity using the ABTS method. The tested plants showed antioxidant activity. ... Polyphenol extraction from plants using fast and appropriate techniques is a low-cost method due to the reduction in the amount of …
Research Paper Topics for Medicinal Plants A medicinal plant is a plant that is used with the intention of maintaining health, to be administered for a specific condition, or both, whether in modern medicine or in traditional medicine. The Food and Agriculture Organization estimated in 2002 that over 50,000 medicinal plants are used across the …
The effective extraction and proper assessment of antioxidants from food and medicinal plants are crucial to explore the potential antioxidant sources and promote the application in functional ...
Introduction: Dietary medicinal plants are among the most sought-after topics in alternative medicine today due to their preventive and healing properties against many diseases. Aim: This study aimed to extract and determine the polyphenols from indigenous plants extracts, i.e., Mentha longifolia, M. arvensis, Tinospora cordifolia, …
The extraction of raw plant material is an initial stage in the preparation of herbal medicinal products (HMP). In this chapter, specific factors playing a crucial role in the efficacy of the recovery of active metabolites from medicinal plants are discussed. ... Preparation of medicinal plants: basic extraction and fractionation procedures for ...
Chapter 17. Methods in the Extraction and Chemical Analysis. of Medicinal Plants. Akram M. Salam, James T. Lyles, and Cassandra L. Quave. Abstract. This chapter aims to give an overview of ...