Bibliothèque de L'institut de Technologie UAMO BOUIRA
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Springer
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title : Natural Additives in Foods Type de document : printed text Auteur : German Ayala Valencia, Author Editeur : Cham : Springer Date de publication : 2023 ISBN (ou autre code) : 978-3-031-17345-5 Langue : English (eng) Mots clé : natural antioxidants Indexation : 664.06 Résumé : Additives have been used in the food sector for centuries, aiming to maintain or improve food quality in terms of freshness, appearance, texture and taste. Most food additives are synthetic chemical compounds classified as antioxidants, antimicrobials, colorants and sweeteners. In the last decades, several synthetic food additives have been correlated with adverse reactions in humans, which has caused the safety of synthetic food additives to be reviewed and discussed by international organizations. At the same time, there is increasing consumer demand for more natural and environmentally friendly food products and additives. Therefore, synthetic food additives have been replaced with natural food additives. Although the use of natural additives is a hot topic in food science, to date no book has systematically reviewed the application of natural additives in food products.
Natural additives in foods presents an exhaustive analysis of the most recent advances in the application of natural additives in the food sector. Covering natural antioxidants, antimicrobials, colorants and sweeteners, this text also focuses on unconventional sources of natural additives, valorization and toxicological aspects, consumer attitudes and regulatory aspects. The main applications of natural antioxidants are fully covered, including polyphenols, ascorbic acid, carotenoids, tocopherols and proteins. Natural antimicrobial applications from polyphenols and essential oils to poly-L-Lysine are analyzed, as are natural colorants like anthocyanins, annatto, betalains and paprika. The encapsulation, trapping, and adsorption of natural additives are studied, and consumer perceptions and preferences are major focuses. Researchers will find up-to-date regulatory specifics for the United States and European Union.
For any researcher in need of an expansive single source containing allrelevant and updated information for the use of natural additives in foods, this book is a much needed addition to the field.
Natural Additives in Foods [printed text] / German Ayala Valencia, Author . - Cham : Springer, 2023.
ISBN : 978-3-031-17345-5
Langue : English (eng)
Mots clé : natural antioxidants Indexation : 664.06 Résumé : Additives have been used in the food sector for centuries, aiming to maintain or improve food quality in terms of freshness, appearance, texture and taste. Most food additives are synthetic chemical compounds classified as antioxidants, antimicrobials, colorants and sweeteners. In the last decades, several synthetic food additives have been correlated with adverse reactions in humans, which has caused the safety of synthetic food additives to be reviewed and discussed by international organizations. At the same time, there is increasing consumer demand for more natural and environmentally friendly food products and additives. Therefore, synthetic food additives have been replaced with natural food additives. Although the use of natural additives is a hot topic in food science, to date no book has systematically reviewed the application of natural additives in food products.
Natural additives in foods presents an exhaustive analysis of the most recent advances in the application of natural additives in the food sector. Covering natural antioxidants, antimicrobials, colorants and sweeteners, this text also focuses on unconventional sources of natural additives, valorization and toxicological aspects, consumer attitudes and regulatory aspects. The main applications of natural antioxidants are fully covered, including polyphenols, ascorbic acid, carotenoids, tocopherols and proteins. Natural antimicrobial applications from polyphenols and essential oils to poly-L-Lysine are analyzed, as are natural colorants like anthocyanins, annatto, betalains and paprika. The encapsulation, trapping, and adsorption of natural additives are studied, and consumer perceptions and preferences are major focuses. Researchers will find up-to-date regulatory specifics for the United States and European Union.
For any researcher in need of an expansive single source containing allrelevant and updated information for the use of natural additives in foods, this book is a much needed addition to the field.
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title : Practical Chemical Process Optimization : With Matlab and Gams Type de document : printed text Auteur : Ioannis K. Kookos, Author Editeur : Cham : Springer Date de publication : 2022 ISBN (ou autre code) : 978-3-031-11297-3 Langue : English (eng) Mots clé : contrained optimization Indexation : 660.6 Résumé : This text provides the undergraduate chemical engineering student with the necessary tools for problem solving in chemical or bio-engineering processes. In a friendly, simple, and unified framework, the exposition aptly balances theory and practice. It uses minimal mathematical concepts, terms, algorithms, and describes the main aspects of chemical process optimization using MATLAB and GAMS. Numerous examples and case studies are designed for students to understand basic principles of each optimization method and elicit the immediate discovery of practical applications. Problem sets are directly tied to real-world situations most commonly encountered in chemical engineering applications. Chapters are structured with handy learning summaries, terms and concepts, and problem sets, and individually reinforce the basics of particular optimization methods. Additionally, the wide breadth of topics that may be encountered in courses such as Chemical Process Optimization, Chemical Process Engineering, Optimization of Chemical Processes, are covered in this accessible text. The book provides formal introductions to MATLAB, GAMS, and a revisit to pertinent aspects of undergraduate calculus. While created for coursework, this text is also suitable for independent study. A full solutions manual is available to instructors who adopt the text for their course. Practical Chemical Process Optimization : With Matlab and Gams [printed text] / Ioannis K. Kookos, Author . - Cham : Springer, 2022.
ISBN : 978-3-031-11297-3
Langue : English (eng)
Mots clé : contrained optimization Indexation : 660.6 Résumé : This text provides the undergraduate chemical engineering student with the necessary tools for problem solving in chemical or bio-engineering processes. In a friendly, simple, and unified framework, the exposition aptly balances theory and practice. It uses minimal mathematical concepts, terms, algorithms, and describes the main aspects of chemical process optimization using MATLAB and GAMS. Numerous examples and case studies are designed for students to understand basic principles of each optimization method and elicit the immediate discovery of practical applications. Problem sets are directly tied to real-world situations most commonly encountered in chemical engineering applications. Chapters are structured with handy learning summaries, terms and concepts, and problem sets, and individually reinforce the basics of particular optimization methods. Additionally, the wide breadth of topics that may be encountered in courses such as Chemical Process Optimization, Chemical Process Engineering, Optimization of Chemical Processes, are covered in this accessible text. The book provides formal introductions to MATLAB, GAMS, and a revisit to pertinent aspects of undergraduate calculus. While created for coursework, this text is also suitable for independent study. A full solutions manual is available to instructors who adopt the text for their course. Exemplaires
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title : Organic Reactions and Their Mecanisms : Second Edition Type de document : printed text Auteur : V. K AHLUWALIA, Author Editeur : Cham : Springer Date de publication : 2023 ISBN (ou autre code) : 978-3-031-15694-6 Langue : English (eng) Mots clé : mechanism of a organic reaction Indexation : 547 Résumé : This textbook is intended for undergraduate and graduate students pursuing courses in chemistry and allied fields. It includes fundamental concepts, equations involved in organic reactions, chemical bonds (ionic and covalent bonds), hybridization, representation of a chemical reaction and mechanism of organic reactions. The book also discusses the displacement of bonding electrons involving inductive effect, electromeric effect, mesomeric effect, hyperconjugative effect and resonance. A number of organic reactions involving formation of intermediates such as carbocations, carbanions, free radicals, carbenes, nitrenes and benzynes have also been included. It also discusses different types of reagents involved in a chemical reactions along with types of additional reactions and its detailed mechanism. The book also includes the use of pedagogical elements such as multiple choice questions and end of chapter exercises to aid self-learning among students Organic Reactions and Their Mecanisms : Second Edition [printed text] / V. K AHLUWALIA, Author . - Cham : Springer, 2023.
ISBN : 978-3-031-15694-6
Langue : English (eng)
Mots clé : mechanism of a organic reaction Indexation : 547 Résumé : This textbook is intended for undergraduate and graduate students pursuing courses in chemistry and allied fields. It includes fundamental concepts, equations involved in organic reactions, chemical bonds (ionic and covalent bonds), hybridization, representation of a chemical reaction and mechanism of organic reactions. The book also discusses the displacement of bonding electrons involving inductive effect, electromeric effect, mesomeric effect, hyperconjugative effect and resonance. A number of organic reactions involving formation of intermediates such as carbocations, carbanions, free radicals, carbenes, nitrenes and benzynes have also been included. It also discusses different types of reagents involved in a chemical reactions along with types of additional reactions and its detailed mechanism. The book also includes the use of pedagogical elements such as multiple choice questions and end of chapter exercises to aid self-learning among students Exemplaires
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title : Basic Concepts in Organic Stereochemistry Type de document : printed text Auteur : Sunil Kumar TALAPATRA, Author ; Bani TALAPATRA, Author Editeur : Cham : Springer Date de publication : 2022 ISBN (ou autre code) : 978-3-030-95989-0 Langue : English (eng) Mots clé : structure diagrams Indexation : 547.2 Résumé : This book discusses essential stereochemical concepts associated with organic molecules (natural or synthetic), as reflected in the course of their many reactions, their mechanisms, their asymmetric synthesis, biosynthesis, and biological activities. This treatise provides useful insights and understanding of the chiral/achiral designations (nomenclatures), the stereochemical features, and related properties of the natural and synthetic products. Without having an adequate knowledge of stereochemical concepts, it will not be possible to understand and appreciate the stereochemistry of natural or synthetic products. Thus, essential static and dynamic aspects of stereochemistry with sufficient illustrative examples along with discussions are presented. The structure of the monograph allows for easy selection of separate topics for reading and teaching. This book will also provide an idea of basic stereochemical concepts, as applied to organic molecules in general as well as to organic ligands in coordination complexes, and will, therefore, be valuable resources to teachers and students of advanced undergraduates and post-graduates, researchers, and professionals. Basic Concepts in Organic Stereochemistry [printed text] / Sunil Kumar TALAPATRA, Author ; Bani TALAPATRA, Author . - Cham : Springer, 2022.
ISBN : 978-3-030-95989-0
Langue : English (eng)
Mots clé : structure diagrams Indexation : 547.2 Résumé : This book discusses essential stereochemical concepts associated with organic molecules (natural or synthetic), as reflected in the course of their many reactions, their mechanisms, their asymmetric synthesis, biosynthesis, and biological activities. This treatise provides useful insights and understanding of the chiral/achiral designations (nomenclatures), the stereochemical features, and related properties of the natural and synthetic products. Without having an adequate knowledge of stereochemical concepts, it will not be possible to understand and appreciate the stereochemistry of natural or synthetic products. Thus, essential static and dynamic aspects of stereochemistry with sufficient illustrative examples along with discussions are presented. The structure of the monograph allows for easy selection of separate topics for reading and teaching. This book will also provide an idea of basic stereochemical concepts, as applied to organic molecules in general as well as to organic ligands in coordination complexes, and will, therefore, be valuable resources to teachers and students of advanced undergraduates and post-graduates, researchers, and professionals. Exemplaires
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title : Supramolecular Assemblies Based on Electric Interactions Type de document : printed text Auteur : M.Ali ABOUDZADEH, Author ; Antonio FRONTERA, Author Editeur : Cham : Springer Date de publication : 2022 ISBN (ou autre code) : 978-3-031-00656-2 Langue : English (eng) Mots clé : ionic self-assembly of dendrimers Indexation : 547.7 Résumé : This volume presents recent advances and current knowledge in the field of supramolecular assemblies based on electrostatic interactions. The flexibility and simplicity of constructing assemblies is explained via several examples, illustrations, figures, case studies, and historical perspectives. Moreover, as there is an increasing demand for the use of theoretical and computational models of the interaction strengths for assisting with the experimental studies, one chapter specifically focuses on the "modelling'' of supramolecular assemblies. Finally, various aspects of the recent advances of the field as well as potential future opportunities are discussed, with the goal being to stimulate critical discussions among the community and to encourage further discovery. This volume aims to inspire and guide fellow scientists and students working in this field and thus it provides a great tool for all researchers, graduates and professionals specializing on the topic. Supramolecular Assemblies Based on Electric Interactions [printed text] / M.Ali ABOUDZADEH, Author ; Antonio FRONTERA, Author . - Cham : Springer, 2022.
ISBN : 978-3-031-00656-2
Langue : English (eng)
Mots clé : ionic self-assembly of dendrimers Indexation : 547.7 Résumé : This volume presents recent advances and current knowledge in the field of supramolecular assemblies based on electrostatic interactions. The flexibility and simplicity of constructing assemblies is explained via several examples, illustrations, figures, case studies, and historical perspectives. Moreover, as there is an increasing demand for the use of theoretical and computational models of the interaction strengths for assisting with the experimental studies, one chapter specifically focuses on the "modelling'' of supramolecular assemblies. Finally, various aspects of the recent advances of the field as well as potential future opportunities are discussed, with the goal being to stimulate critical discussions among the community and to encourage further discovery. This volume aims to inspire and guide fellow scientists and students working in this field and thus it provides a great tool for all researchers, graduates and professionals specializing on the topic. Exemplaires
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