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Author: N. Raaman
Publisher: New India Publishing
ISBN: 9789380235943
Category : Medical
Languages : en
Pages : 454
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Book Description
Papers presented at the National Conference on "Recent Trends on Medicinal Plants".
Author: N. Raaman
Publisher: New India Publishing
ISBN: 9789380235943
Category : Medical
Languages : en
Pages : 454
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Book Description
Papers presented at the National Conference on "Recent Trends on Medicinal Plants".
Author: Jeffrey B. Harborne
Publisher: Springer Science & Business Media
ISBN: 9400959214
Category : Science
Languages : en
Pages : 346
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Book Description
While there are many books available on methods of organic and biochemical analysis, the majority are either primarily concerned with the application of a particular technique (e.g. paper chromatography) or have been written for an audience of chemists or for biochemists work ing mainly with animaltissues. Thus, no simple guide to modern metho ds of plant analysis exists and the purpose of the present volume is to fill this gap. It is primarily intended for students in the plant sciences, who have a botanical or a general biological background. It should also be of value to students in biochemistry, pharmacognosy, food science and 'natural products' organic chemistry. Most books on chromatography, while admirably covering the needs of research workers, tend to overwhelm the student with long lists of solvent systems and spray reagents that can be applied to each class of organic constituent. The intention here is to simplify the situation by listing only a few specially recommended techniques that have wide currency in phytochemical laboratories. Sufficient details are provided to allow the student to use the techniques for themselves and most sections contain some introductory practical experiments which can be used in classwork.
Author: Prof. Dr. N. Raaman
Publisher: New India Publishing Agency
ISBN: 939017595X
Category : Technology & Engineering
Languages : en
Pages : 12
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Book Description
Phytochemicals are the individual chemicals from which the plants are made and plants are the key sources of raw materials for both pharmaceutical and aromatic industries. The improved methods for higher yield of active compounds will be the major incentive in these industries. To help those who involved in the isolation of compounds from plants, some of the essential phytochemical techniques are included in this book. It contains 10 chapters. A brief introduction is given in Chapter 1. Chapter 2 deals with the production processes for herbals and botanicals. Selection of plant and plant parts for phytochemical analysis are included in Chapter 3. Different methods of extraction are given in Chapter 4. Qualitative phytochemical screening is presented in Chapter 5. Various methods for separation of phytochemicals, which include paper and thin layer chromatography and column chromatography are given in Chapter 6. Qualitative and quantitative estimation of phytochemicals using gas chromatography, high performance liquid chromatography and high performance thin layer chromatography are described in Chapter 7. The various methods of identification including the physical characteristics and spectroscopy are included in Chapter 8. The ultraviolet spectroscopy, infrared spectroscopy, near infrared spectroscopy, mass spectroscopy, nuclear magnetic resonance spectroscopy and crystallography are included in this chapter. The categories of phytochemicals are given in Chapter 9. A case study of isolation and identification of compounds in the laboratory of the author of this book is included in Chapter 10. Isolation of alkaloids is given in Chapter 11. Extraction and isolation of phenolic compounds is described in Chapter 12. Isolation of anthocyanin compounds is included in Chapter 13. Extraction and analysis of essential oils are described in Chapter 14. The theoretical principles involved in the instruments, handling of samples and interpretation of spectra are given in detail. More than 160 figures (27 in colour) are included to illustrate the various techniques and the structures of compounds. Apart from the references, indexes of common and scientific names of plants and chemical names and subject index are included.
Author: Satyajit Dey Sarker
Publisher: Elsevier
ISBN: 0443161038
Category : Science
Languages : en
Pages : 532
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Book Description
Computational Phytochemistry, Second Edition, explores how recent advances in computational techniques and methods have been embraced by phytochemical researchers to enhance many of their operations, refocusing and expanding the possibilities of phytochemical studies. By applying computational aids and mathematical models to extraction, isolation, structure determination, and bioactivity testing, researchers can obtain highly detailed information about phytochemicals and optimize working approaches. This book aims to support and encourage researchers currently working with or looking to incorporate computational methods into their phytochemical work. Topics in this book include computational methods for predicting medicinal properties, optimizing extraction, isolating plant secondary metabolites, and building dereplicated phytochemical libraries. The roles of high-throughput screening, spectral data for structural prediction, plant metabolomics, and biosynthesis are all reviewed before the application of computational aids for assessing bioactivities and virtual screening is discussed. Illustrated with detailed figures and supported by practical examples, this book is an indispensable guide for all those involved with the identification, extraction, and application of active agents from natural products. This new edition captures remarkable advancements in mathematical modeling and computational methods that have been incorporated in phytochemical research, addressing, e.g., extraction, isolation, structure determination, and bioactivity testing of phytochemicals. - Includes step-by-step protocols for various computational and mathematical approaches applied to phytochemical research - Features clearly illustrated chapters contributed by highly reputable researchers - Covers all key areas in phytochemical research, including virtual screening and metabolomics
Author: Thangaraj Parimelazhagan
Publisher: Springer
ISBN: 3319268112
Category : Medical
Languages : en
Pages : 182
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Book Description
This volume provides information on how to select and screen plants for their medicinal properties. It describes phytopharmacological techniques for extracting and qualitatively and quantitatively analyzing a plant’s phytochemicals. After a detailed in vitro investigation including nutritional and anti-nutritional analyses, medicinal properties were tested with various in vivo models for anti-inflammatory, analgesic, anti-pyretic, anticancer and anti-diabetic properties, as well as wound healing, neurodegenerative diseases, etc. Compound identification and purification techniques include, among others, TLC and column chromatography, as well as molecular docking with specific proteins.
Author: LD Khemani
Publisher: Springer Science & Business Media
ISBN: 3642233945
Category : Science
Languages : en
Pages : 352
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Book Description
Since the beginning of human civilization, plants have been our true companions. Plants contribute not only to our existence but also serve us through discovery, design and the treatment of various diseases where there is no satisfactory cure in modern medicine. This has focused Natural Product Chemists to unravel plants therapeutic potential in the light of modern analytical and pharmacological understandings. Presence of multiple active phytochemicals in medicinal plants offers exciting opportunity for the development of novel therapeutics, providing scientific justification for their use in traditional medicines. Non-food plants have been recognized as biofactories for the production of eco-friendly value added materials including agricultural, food products, enzymes, nutraceuticals etc. They have also been widely explored for personal care, industrial products and sources of energy generation. The proven efficacy of botanicals has been appreciated by the scientific community and strengthened plant-human relationship. The synergism in the Phytoproducts, the result of the interaction of two or more moieties, is not simply additive but multiplicative. Recent acceptance of the Food and Drug Administration (US) for herbal-medicine based preparation has renewed interest in Natural Product Research. The year 2011 is declared as the International Year of Chemistry (IYC 2011) by the United Nations Assembly. On this occasion, the present conference CPHEE 2011 aims to offer chemists from diverse areas to come to a common platform to share the knowledge and unveil the chemistry and magic potentials of phytoproducts for the mankind.
Author: Toshiki Asao
Publisher: BoD – Books on Demand
ISBN: 1789843774
Category : Science
Languages : en
Pages : 220
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Book Description
Phytochemicals provides original research work and reviews on the sources of phytochemicals, and their roles in disease prevention, supplementation, and accumulation in fruits and vegetables. The roles of anthocyanin, flavonoids, carotenoids, and taxol are presented in separate chapters. Antioxidative and free radicle scavenging activity of phytochemicals is also discussed. The medicinal properties of Opuntia, soybean, sea buckthorn, and gooseberry are presented in a number of chapters. Supplementation of plant extract with phytochemical properties in broiler meals is discussed in one chapter. The final two chapters include the impact of agricultural practices and novel processing technologies on the accumulation of phytochemicals in fruits and vegetables. This book mainly focuses on medicinal plants and the disease-preventing properties of phytochemicals, which will be a useful resource to the reader.
Author: Godfrey M. Hewitt
Publisher: Springer Science & Business Media
ISBN: 3642839622
Category : Science
Languages : en
Pages : 404
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Book Description
Taxonomy is fundamental to understanding the variety of life forms, and exciting expansions in molecular biology are re- volutionising the obtained data. This volume reviews the ma- jor molecular biological techniques that are applied in ta- xonomy. The chapters are arranged in three main sections:1) Overviews of important topics in molecular taxonomy; 2) Case studies of the successful application of molecular methods to taxonomic and evolutionary questions; 3) Protocols for a range of generally applicable methods. The described techni- ques include DNA-DNA hybridization, DNA fingerprinting, RFLP analysis, and PCR sequencing.
Author: Zhimin Xu
Publisher: John Wiley & Sons
ISBN: 0813823919
Category : Technology & Engineering
Languages : en
Pages : 405
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Book Description
To quantify antioxidants in natural sources, the application of chromatography techniques with different detectors followed by skillful sample preparation is necessary. Analysis of Antioxidant-Rich Phytochemicals is the first book that specifically covers and summarizes the details of sample preparation procedures and methods developed to identify and quantify various types of natural antioxidants in foods. Focusing on the principle of quantification methods for natural antioxidants, the book reviews and summarizes current methods used in the determination of antioxidant-rich phytochemicals in different sources. Chapter by chapter, the distinguished team of authors describes the various methods used for analysis of the different antioxidant-rich phytochemicals – phenolic acids; carotenoids; anthocyanins; ellagitannins, flavonols and flavones; catechins and procyanidins; flavanones; stilbenes; phytosterols; and tocopherols and tocotrienols. Going beyond extensive reviews of the scientific literature, the expert contributors call on their accumulated experience in sample extraction and analysis to outline procedures, identify potential problems in dealing with different samples, and offer trouble-shooting tips for the analysis. Analysis of Antioxidant-Rich Phytochemicals covers the important food applications and health-promoting functions of the major antioxidant phytochemicals, presents general analysis principles and procedures, and systematically reviews and summarizes the various analytical methods necessary for each type of natural antioxidant in different food sources.
Author: Muhammad Siddiq
Publisher: John Wiley & Sons
ISBN: 1119098947
Category : Technology & Engineering
Languages : en
Pages : 1104
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Book Description
Handbook of Vegetables and Vegetable Processing, Second Edition is the most comprehensive guide on vegetable technology for processors, producers, and users of vegetables in food manufacturing.This complete handbook contains 42 chapters across two volumes, contributed by field experts from across the world. It provides contemporary information that brings together current knowledge and practices in the value-chain of vegetables from production through consumption. The book is unique in the sense that it includes coverage of production and postharvest technologies, innovative processing technologies, packaging, and quality management. Handbook of Vegetables and Vegetable Processing, Second Edition covers recent developments in the areas of vegetable breeding and production, postharvest physiology and storage, packaging and shelf life extension, and traditional and novel processing technologies (high-pressure processing, pulse-electric field, membrane separation, and ohmic heating). It also offers in-depth coverage of processing, packaging, and the nutritional quality of vegetables as well as information on a broader spectrum of vegetable production and processing science and technology. Coverage includes biology and classification, physiology, biochemistry, flavor and sensory properties, microbial safety and HACCP principles, nutrient and bioactive properties In-depth descriptions of key processes including, minimal processing, freezing, pasteurization and aseptic processing, fermentation, drying, packaging, and application of new technologies Entire chapters devoted to important aspects of over 20 major commercial vegetables including avocado, table olives, and textured vegetable proteins This important book will appeal to anyone studying or involved in food technology, food science, food packaging, applied nutrition, biosystems and agricultural engineering, biotechnology, horticulture, food biochemistry, plant biology, and postharvest physiology.
