Handbook Of Antioxidant Methodology
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Handbook of Antioxidant Methodology
Author: Paul D Prenzler
language: en
Publisher: Royal Society of Chemistry
Release Date: 2021-10-12
The field of antioxidant research has grown rapidly over the last 30 years and shows no sign of slowing down. In order to understand how antioxidants work, it is essential to understand how their activity is measured. However, antioxidant activity measurements are controversial and their value has been challenged. This book addresses a number of the controversies on antioxidant testing methods. Specifically, the book highlights the importance of context, helping the reader to decide what methods are most appropriate for different situations, how the results can be interpreted and what information may be inferred from the data. There are a multiplicity of methods for measuring activity, with no standardized method approved for in vitro or in vivo testing. In order to select an appropriate method, a thorough knowledge of the processes associated with reduction-oxidation is essential, leading to an improved understanding and use of activity measurements and the associated data. The book presents background information, in a unique style, which is designed to assist readers to grasp the fundamentals of redox processes, as well as thermodynamics and kinetics, which are essential to later chapters. Recovery and extraction of antioxidants from diverse matrices are presented in a clear and logical fashion along with methods used to determine antioxidant activity from a mechanistic perspective. Other chapters present current methodologies used for activity testing in different sample types ranging from foods and plants, to body fluids and even to packaging, but always with a strong emphasis on the nature of the sample and the underlying chemistry of the method. A number of emerging techniques for assessing antioxidant behaviour, namely, electrochemical methods, chip technology exploiting microfluidic devices, metabolomics plus studies of gene and protein expression, are examined. Ultimately, these techniques will be involved in generation of "big data" for which an understanding of chemometrics will be essential in drawing valid conclusions. The book is written to appeal to a wide audience, but will be particularly helpful for any researchers who are attempting to make sense of the vast literature and often conflicting messages on antioxidant activity.
Handbook of Antioxidants
Contains new and expanded material on antioxidants in beverages and herbal products, nitric oxide and selenium, and the effect of vitamin C on cardiovascular disease and of lipoic acid on aging, hyperglycemia, and insulin resistance! Offering over 4200 contemporary references-2000 more than the previous edition-the Second Edition of the Handbook of Antioxidants is an up-to-the-minute source for nutritionists and dietitians, cell biologists and biochemists, cardiologists, oncologists, dermatologists, and medical students in these disciplines.
Handbook of Analysis and Extraction Methods of Anthocyanins
Handbook of Analysis and Extraction Methods of Anthocyanins provides a comprehensive guide to learning about the properties of anthocyanins, which have gained increasing importance in recent years and have attracted widespread attention from industry, academia, and government, as well as the precise, applicable, and modern methods of their analysis developed to date. The first part of the book introduces the structure, biochemical properties, health effects, and high antioxidant capacity of anthocyanins based on scientific developments in recent years. The second part of the book is aimed at the technological use of anthocyanins in industry, focusing on the effects of food processing methods on anthocyanins, encapsulation, the possibilities of using them as colorants in industry, and their importance as a functional ingredient, as well as a healthy ingredient. The third part of the book presents in detail the extraction and purification methods of anthocyanins in different food products as well as sensitive, quantitative, applicable, and newly developed NMR, HPLC, UHPLC, GC/MS, UHPLC/MS, and LC/MS methods. Key Features: Minimal Prerequisites: No prior functional food experience is needed, making the content accessible to a wide audience. New and Real-World Data: Learn with real-scientific information on anthocyanins, including all biological properties of anthocyanins, antioxidant activities, and new datasets on health protection, functional food development, encapsulation, and uses of anthocyanins as food colorant. Expanded Theoretical and Practical Data on Methods of Analysis of Anthocyanins: Includes deeper coverage of theory-based approaches of modern methods of analysis of anthocyanins, their connection with GC/MS, LC/MS etc.-based approaches, and a presentation of newly developed and formal aspects of these methods of anthocyanins. Ideal for those interested in or looking to deepen their knowledge of functional foods and nutraceuticals, this edition provides a clear introduction to the antioxidant structure and health-protective properties of anthocyanins and current modern analysis methods.