Modern Extraction Techniques

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Modern Extraction Techniques
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Author : Charlotta Turner
language : en
Publisher:
Release Date : 2006
Modern Extraction Techniques written by Charlotta Turner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
During the last ten years, several new extraction techniques have been developed that are faster, more automated and use less organic solvents compared to classical solvent extraction techniques. Furthermore, there is a clear trend going towards the use of (and research on) environmentally sustainable methods, which is encouraging for the future. Supercritical fluid extraction (SFE) and pressurized liquid extraction (PLE) are two of the most useful techniques for extraction of non-polar and medium polar solutes from solid and semi-solid samples. These techniques commonly use pressurized carbon dioxide or hot liquids such as water as extraction solvents, respectively. For aqueous samples, stir-bar sorptive extraction (SBSE) has recently been developed. These are some of the techniques that will be described in the proposed symposium series book. Focus will be on the extraction of various compounds from food and agricultural samples in either an analytical or a process-scale point-of-view. Several of the book chapters will compare the different techniques, and describe their advantages and disadvantages. Applications discussed in this book include SFE of biopolymers from distillers dried grains, SFE of lipids from oilseeds, PLE of functional ingredients from plants and herbs, tandem SFE/PLE of acrylamide from potato chips, SFE and PLE of cholesterol and fat from hamster liver, and steam distillation-extraction (SDE) and SBSE of flavors from shitake mushrooms.
Ingredients Extraction By Physicochemical Methods In Food
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Author : Alexandru Mihai Grumezescu
language : en
Publisher: Academic Press
Release Date : 2017-07-26
Ingredients Extraction By Physicochemical Methods In Food written by Alexandru Mihai Grumezescu and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-26 with Technology & Engineering categories.
Ingredients Extraction by Physico-chemical Methods, Volume Four, the latest release in the Handbook of Food Bioengineering series, reveals the most investigated extraction methods of ingredients and their impact on the food industry. This resource describes types of ingredients that may be extracted through physico-chemical methods (i.e. specific plants, fruits, spices, etc.), along with their particularities to help readers understand their biological effect and solve research problems. The extraction methods of bioactive compounds and functional ingredients are discussed, along with information on green ingredient extraction strategies to help reduce harmful environmental and health effects. Extraction methods in this book can be applied for multiple purposes within the food industry, such as ingredients separation for food development, the purification and separation of toxic compounds from a food mixture, and the recovery of natural bioactive compounds. - Offers advanced knowledge and skills of physiochemical analysis for ingredient extraction - Presents various methods for food component analysis to evaluate structure function relations in changing environments - Discusses the importance of enzymes during processing and storage of foods - Includes methods to evaluate and enhance extraction, such as ultrasound, to produce novel foods more efficiently
Natural Product Extraction
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Author : Mauricio A Rostagno
language : en
Publisher: Royal Society of Chemistry
Release Date : 2015-10-09
Natural Product Extraction written by Mauricio A Rostagno and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-09 with Science categories.
Natural products are sought after by the food, pharmaceutical and cosmetics industries, and research continues into their potential for new applications. Extraction of natural products in an economic and environmentally-friendly way is of high importance to all industries involved. This book presents a holistic and in-depth view of the techniques available for extracting natural products, with modern and more environmentally-benign methods, such as ultrasound and supercritical fluids discussed alongside conventional methods. Examples and case studies are presented, along with the decision-making process needed to determine the most appropriate method. Where appropriate, scale-up and process integration is discussed. Relevant to researchers in academia and industry, and students aiming for either career path, Natural Product Extraction presents a handy digest of the current trends and latest developments in the field with concepts of Green Chemistry in mind.
Solvent Extraction
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Author : Vladimir S Kislik
language : en
Publisher: Elsevier
Release Date : 2011-08-31
Solvent Extraction written by Vladimir S Kislik and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Technology & Engineering categories.
The main challenge in modern solvent extraction separation is that most techniques are mainly empirical, specific and particular for narrow fields of practice and require a large degree of experimentation. This concise and modern book provides a complete overview of both solvent extraction separation techniques and the novel and unified competitive complexation/solvation theory. This novel and unified technique presented in the book provides a key for a preliminary quantitative prediction of suitable extraction systems without experimentation, thus saving researchers time and resources. - Analyzes and compares both classical and new competitive models and techniques - Offers a novel and unified competitive complexation / solvation theory that permits researchers to standardize some parameters, which decreases the need for experimentation at R&D - Presents examples of applications in multiple disciplines such as chemical, biochemical, radiochemical, pharmaceutical and analytical separation - Written by an outstanding scientist who is prolific in the field of separation science
Extraction Techniques In Analytical Sciences
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Author : John R. Dean
language : en
Publisher: John Wiley & Sons
Release Date : 2010-05-18
Extraction Techniques In Analytical Sciences written by John R. Dean and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-18 with Science categories.
This book coves one of the most important areas in analytical sciences, extraction techniques for organic compounds in environmental and related matrices. This text discusses all of the key stages for analysing a sample for organic compounds from the initial sampling protocols, the range of different extraction techniques for solid, liquid and air samples through to the final chromatographic analysis. The topics covered include: Initial steps for solid, aqueous and air sampling. Extraction techniques for aqueous samples, including LLE, purge and trap, SPE, SPME, SBSE, SDME, membrane microextraction and MPES. Extraction techniques for solid samples, including Soxhlet, 'Soxtec', Shake-flask, sonication, PFE, MAE, SFE and MSPD. Extraction techniques for air sampling, including whole air, enrichment approaches and desorption techniques. Pre-concentration approaches for post-extraction. Practical aspects for chromatographic analysis (GC and HPLC) of organic compounds. Quality assurance aspects of analysis. Health and safety considerations. Key features include: Up-to-date information on the latest development in extraction techniques for organic compounds in environmental and food matrices. Ideal for use as a self-study guide, as the basis of a taught course or guided reading for new 'early-career' researchers. Includes a guide for the reader to other sources of information. Extraction Techniques in Analytical Sciences is suitable for undergraduate and postgraduate students, as well as providing an invaluable starting point for individuals undertaking applied research in the fields of analytical, bioanalytical, environmental and food sciences. The Analytical Techniques in the Sciences series of books provides coverage of all of the major analytical techniques and their application in the most important areas of physical, life and materials science. Each text is presented in an open learning/distance learning style, in which the learning objectives are clearly identified. the reader's understanding of the material is constantly evaluated by the use of self-assessment and discussion questions.
Green Extraction Of Natural Products
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Author : Farid Chemat
language : en
Publisher: John Wiley & Sons
Release Date : 2015-05-04
Green Extraction Of Natural Products written by Farid Chemat and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-04 with Science categories.
Dieses Handbuch fasst den aktuellen Wissensstand zu "grünen" Extraktionsverfahren zusammen, von neuen Verfahren bis hin zu innovativen Anwendungen in der Industrie. Damit stellt dieses Buch eine einzigartige Wissensquelle zu den rasanten Entwicklungen in diesem Fachgebiet dar.
Microwave Assisted Extraction For Bioactive Compounds
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Author : Farid Chemat
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-12
Microwave Assisted Extraction For Bioactive Compounds written by Farid Chemat and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-12 with Technology & Engineering categories.
With increasing energy prices and the drive to reduce CO2 emissions, food industries are challenged to find new technologies in order to reduce energy consumption, to meet legal requirements on emissions, product/process safety and control, and for cost reduction and increased quality as well as functionality. Extraction is one of the promising innovation themes that could contribute to sustainable growth in the chemical and food industries. For example, existing extraction technologies have considerable technological and scientific bottlenecks to overcome, such as often requiring up to 50% of investments in a new plant and more than 70% of total process energy used in food, fine chemicals and pharmaceutical industries. These shortcomings have led to the consideration of the use of new "green" techniques in extraction, which typically use less solvent and energy, such as microwave extraction. Extraction under extreme or non-classical conditions is currently a dynamically developing area in applied research and industry. Using microwaves, extraction and distillation can now be completed in minutes instead of hours with high reproducibility, reducing the consumption of solvent, simplifying manipulation and work-up, giving higher purity of the final product, eliminating post-treatment of waste water and consuming only a fraction of the energy normally needed for a conventional extraction method. Several classes of compounds such as essential oils, aromas, anti-oxidants, pigments, colours, fats and oils, carbohydrates, and other bioactive compounds have been extracted efficiently from a variety of matrices (mainly animal tissues, food, and plant materials). The advantages of using microwave energy, which is a non-contact heat source, includes more effective heating, faster energy transfer, reduced thermal gradients, selective heating, reduced equipment size, faster response to process heating control, faster start-up, increased production, and elimination of process steps. This book will present a complete picture of the current knowledge on microwave-assisted extraction (MAE) of bioactive compounds from food and natural products. It will provide the necessary theoretical background and details about extraction by microwaves, including information on the technique, the mechanism, protocols, industrial applications, safety precautions, and environmental impacts.
Liquid Phase Extraction
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Author : Colin F. Poole
language : en
Publisher: Elsevier
Release Date : 2019-08-29
Liquid Phase Extraction written by Colin F. Poole and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-29 with Science categories.
Liquid Phase Extraction thoroughly presents both existing and new techniques in liquid phase extraction. It not only provides all information laboratory scientists need for choosing and utilizing suitable sample preparation procedures for any kind of sample, but also showcases the contemporary uses of sample preparation techniques in the most important industrial and academic project environments, including countercurrent chromatography, pressurized-liquid extraction, single-drop Microextraction, and more. Written by recognized experts in their respective fields, it serves as a one-stop reference for those who need to know which technique to choose for liquid phase extraction. Used in conjunction with a similar release, Solid Phase Extraction, it allows users to master this crucial aspect of sample preparation. - Defines the current state-of-the-art in extraction techniques and the methods and procedures for implementing them in laboratory practice - Includes extensive referencing that facilitates the identification of key information - Aimed at both entry-level scientists and those who want to explore new techniques and methods
Phytochemical Methods
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Author : J. B. Harborne
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Phytochemical Methods written by J. B. Harborne and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Social Science categories.
Enhancing Extraction Processes In The Food Industry
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Author : Nikolai Lebovka
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Enhancing Extraction Processes In The Food Industry written by Nikolai Lebovka and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.
Extraction is an important operation in food engineering, enabling the recovery of valuable soluble components from raw materials. With increasing energy costs and environmental concerns, industry specialists are looking for improved techniques requiring less solvents and energy consumption. Enhancing Extraction Processes in the Food Industry is a