Analysis of Essential Oils by Gas Chromatography and Mass Spectrometry PDF Download
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Author: Yoshirō Masada
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 366
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Book Description
Author: Yoshirō Masada
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 366
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Book Description
Author: Robert P. Adams
Publisher:
ISBN:
Category : Health & Fitness
Languages : en
Pages : 476
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Book Description
Author: Seyed Mohammed Bagher Hashemi
Publisher: John Wiley & Sons
ISBN: 1119149347
Category : Technology & Engineering
Languages : en
Pages : 393
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Book Description
A guide to the use of essential oils in food, including information on their composition, extraction methods, and their antioxidant and antimicrobial applications Consumers’ food preferences are moving away from synthetic additives and preservatives and there is an increase demand for convenient packaged foods with long shelf lives. The use of essential oils fills the need for more natural preservativesto extend the shelf-life and maintaining the safety of foods. Essential Oils in Food Processing offers researchers in food science a guide to the chemistry, safety and applications of these easily accessible and eco-friendly substances. The text offers a review of essential oils components, history, source and their application in foods and explores common and new extraction methods of essential oils from herbs and spices. The authors show how to determine the chemical composition of essential oils as well as an explanation of the antimicrobial and antioxidant activity of these oils in foods. This resource also delves into the effect of essential oils on food flavor and explores the interaction of essential oils and food components. Essential Oils in Food Processing offers a: Handbook of the use of essential oils in food, including their composition, extraction methods and their antioxidant and antimicrobial applications Guide that shows how essential oils can be used to extend the shelf life of food products whilst meeting consumer demand for “natural” products Review of the use of essential oils as natural flavour ingredients Summary of relevant food regulations as pertaining to essential oils Academic researchers in food science, R&D scientists, and educators and advanced students in food science and nutrition can tap into the most recent findings and basic understanding of the chemistry, application, and safe us of essential oils in food processing.
Author: Katja Dettmer-Wilde
Publisher: Springer
ISBN: 3642546404
Category : Science
Languages : en
Pages : 904
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Book Description
Gas chromatography continues to be one of the most widely used analytical techniques, since its applications today expand into fields such as biomarker research or metabolomics. This new practical textbook enables the reader to make full use of gas chromatography. Essential fundamentals and their implications for the practical work at the instrument are provided, as well as details on the instrumentation such as inlet systems, columns and detectors. Specialized techniques from all aspects of GC are introduced ranging from sample preparation, solvent-free injection techniques, and pyrolysis GC, to separation including fast GC and comprehensive GCxGC and finally detection, such as GC-MS and element-specific detection. Various fields of application such as enantiomer, food, flavor and fragrance analysis, physicochemical measurements, forensic toxicology, and clinical analysis are discussed as well as cutting-edge application in metabolomics is covered.
Author: Bekir Salih
Publisher: BoD – Books on Demand
ISBN: 9535102958
Category : Science
Languages : en
Pages : 252
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Book Description
Gas Chromatography involves the study of various vaporizable molecules in chemistry and the other related research fields. This analytical method has a number of features and advantages that make it an extremely valuable tool for the identification, quantification and structural elucidation of organic molecules. This book provides detailed gas chromatography information to applications of biochemicals, narcotics and essential oils. The details of the applications were briefly handled by the authors to increase their comprehensibility and feasibility. This guide should be certainly valuable to the novice, as well as to the experienced gas chromatography user who may not have the enough experience about the specific applications covered in this book. We believe this book will prove useful in most laboratories where modern gas chromatography is practiced.
Author: Pat Sandra
Publisher:
ISBN:
Category : Chromatographic analysis
Languages : en
Pages : 464
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Book Description
Introduction to essential oil analysis. some aspects of essential oil preparation. considerations on the selection of cappilary columns for essential oil analysis. microtechniques in essential oil analysis. headscape versus classical analysis. Fingerprints in essential oil analysis. industrial quality control of essential oil by capillary GC. Retention indices in essential oil analysis. Possibilities and results of dual channel analysis of essential oils with fused silica capillaru columns. GC- mass specytrometry of essential oils: positive ion and negative ion and negative ion chemical ionazation techniques,computer matching techniques. Examples of artefact formation by chromatographic techniques. Possibilities, limitations, and future develpments in GC-FTIR analysis of essential oils. Possibilities of multidimensional GC in essential oils.
Author: Robert P. Adams
Publisher:
ISBN: 9781932633214
Category : Essences and essential oils
Languages : en
Pages : 0
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Book Description
Accompanying CD-ROM contains Adams' mass spectral library of essential oils.
Author: Jiangshi Kang
Publisher:
ISBN:
Category : Chromatographic analysis
Languages : en
Pages : 228
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Book Description
Author: K. Husnu Can Baser
Publisher: CRC Press
ISBN: 1420063162
Category : Science
Languages : en
Pages : 994
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Book Description
Egyptian hieroglyphs, Chinese scrolls, and Ayurvedic literature record physicians administering aromatic oils to their patients. Today society looks to science to document health choices and the oils do not disappoint. The growing body of evidence of their efficacy for more than just scenting a room underscores the need for production standards, quality control parameters for raw materials and finished products, and well-defined Good Manufacturing Practices. Edited by two renowned experts, the Handbook of Essential Oils covers all aspects of essential oils from chemistry, pharmacology, and biological activity, to production and trade, to uses and regulation. Bringing together significant research and market profiles, this comprehensive handbook provides a much-needed compilation of information related to the development, use, and marketing of essential oils, including their chemistry and biochemistry. A select group of authoritative experts explores the historical, biological, regulatory, and microbial aspects. This reference also covers sources, production, analysis, storage, and transport of oils as well as aromatherapy, pharmacology, toxicology, and metabolism. It includes discussions of biological activity testing, results of antimicrobial and antioxidant tests, and penetration-enhancing activities useful in drug delivery. New information on essential oils may lead to an increased understanding of their multidimensional uses and better, more ecologically friendly production methods. Reflecting the immense developments in scientific knowledge available on essential oils, this book brings multidisciplinary coverage of essential oils into one all-inclusive resource.
Author: Walter Jennings
Publisher: Elsevier
ISBN: 0323141056
Category : Technology & Engineering
Languages : en
Pages : 481
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Book Description
Qualitative Analysis of Flavor and Fragrance Volatiles by Glass Capillary Gas Chromatography deals with the application of glass capillary gas chromatography to qualitative analysis of flavor and fragrance volatiles. Topics range from gas chromatographic system requirements and retention indices to selective detectors, ancillary reactions, and gas chromatography-mass spectrometry. This text is comprised of six chapters; the first of which provides an overview of the use of glass capillary gas chromatography in qualitative analysis of flavor and fragrance volatiles. The discussion then turns to gas chromatographic system requirements with respect to columns, inlets, detectors, and temperature control. The reader is also introduced to the Kovats retention index system, which utilizes a logarithmic scale to describe the retention behavior of a compound relative to that of the n-paraffin hydrocarbons. The use of selective detectors, such as thermal conductivity, flame ionization, nitrogen-phosphorus, electron capture, and photoionization detectors in qualitative analysis, is also considered. The final two chapters focus on ancillary reactions in glass capillary gas chromatography and general considerations in gas chromatography-mass spectrometry, including interfacing. This book is intended primarily for researchers involved in studies of the volatile constituents of fragrances, food, and natural products.
