Levnedsmiddelkemi

Over the centuries humans have used essential oils in the most diverse applications, mainly medicinal, and as sources of bioactive molecules. They have been used in different industrial sectors, such as the pharmaceutical and chemical industries, cosmetics and more recently in the food industry. Due to new research in the field of food science and technology, new sources of bioactive compounds have been described, as they have been shown to be a viable alternative for applications in biofilms, nano emulsions, natural antioxidants, control of microorganisms such as fungi, bacteria and protozoa that can be pathological for human health. The use of essential oils in food science and technology is relatively new, with few articles and books in circulation covering new approaches. Essential Oils: Applications and Trends in Food Science and Technology provides relevant information on the applications of essential oils in this sector, bringing a reliable synopsis through literature reviews addressing mainly their use and perspectives and contributing in a systematic way to the dissemination of important knowledge on the use of essential oils in the area of food science and technology. This text presents new information on applications of essential oils in food science and covers Amazonian plants which are rich in essential oils plus new and developing sources of volatile and bioactive molecules. The use of essential oils in agriculture is covered in depth plus encapsulated and nano products used as food preservatives. As the first research work focusing exclusively on essential oils and their use in the food sector, this book can be used as a singular source for researchers seeking up-to-date coverage on this subject of emerging importance. 

This book provides a comprehensive overview of dehydration techniques. It includes six chapters that discuss various methods of food dehydration. Some of these processes include advanced drying methods that utilize microwaves, infrared radiation, and radio frequency, as well as techniques like hot air, vacuum, fluidized bed, and freeze-drying. Chapters explore the advantages and disadvantages of the various processes, including hybrid techniques that increase the efficiency of drying and improve the quality of the dried products. Other topics explored include the kinetics of hydrogel dehydration and pre-treatment processes such as those that utilize ultrasound.

This book discusses the various aspects of the health and nutritional benefits of the wonder grains, small millets. It introduces the readers to the historical use of small millet grains in the diet of humans. It further discusses the consumption and strategies to improve the global production of these nutrient-dense grains. The book outlines how the inclusion of small millet as a staple could prevent nutritional deficiency diseases, hidden hunger, and non-communicable diseases. Different chapters of the book provide information about the nutritional profile of popular small millet grains. It also includes information about the effects of processing on the dietary factors in the grains. It describes the traditional food products as well as unconventional products from small millet. It advises the readers on the best ways to consume this super-food. The book also highlights the role of small millet as a functional food. It highlights how this food can address the challenge of nutritional security.

This book compiles a diverse and interdisciplinary range of scientific literature, laboratory developments, industrial implications and future prospects covering Entomophagy in 3D food printing to fight against hunger and nutritional deficiencies. Recent developments in Entomphagy in 3D printing of Drosophila based materials, and their nutritional, social, economic, scientific and environmental aspects. are comprehensively covered. Readers will also find shortcomings, guidelines, and industrial prospects for these materials, with emphasis on processing methods for the extraction of sustainable materials through 3D food printing. 3D Printing of Sustainable Insect Materials focuses on the methodology, technology and processing used for utilizing insects in 3D food printing applications, establishing technology-driven knowledge to fight against hunger. Chapters cover the principles for Entomophagy, insect processing methods, modern 3D food printing technologies, and the theoretical and practical aspects of Emtomophagy in 3D printing, with a special focus on future prospects and technologies. This ground-breaking book will serve knowledge to researchers and industry professionals across the food industry with broad coverage of emerging technologies, materials developed through Entomophagy, functional characterization and the technical details required to produce sustainable insect-based materials through 3D food printing.

The ingestion of gluten in the human diet can lead to gastrointestinal disorders such as celiac disease, allergy to wheat and non-celiac gluten sensitivity. Currently the best treatment is the strict adherence to a diet without sources of prolamins and gliadins (wheat), secalin (rye) and hordein (barley). Several studies have revealed that a gluten-free diet may lead to nutrient deficiencies. Therefore, the formulation of gluten-free foods, particularly those related to cereals, is a major challenge. A great effort has been put into improved technological and nutritional aspects of gluten-free cereal products, as evidenced by the large amount of research published in journal articles. Thus far there has been no compilation of this up-to-date research which would lead to better implementation of healthy gluten-free products with improved technological and sensorial properties. Designing Gluten Free Bakery and Pasta Products provides a tool for designing gluten-free bakery and pasta products taking into account the most up-to-date advances and knowledge of gluten-related disorders , extensively covering both traditional and non-traditional gluten-free raw materials and bakery and pasta processes. This book will be particularly useful for food scientists and technologists developing gluten-free bakery and pasta products, plus physicians and nutritionists working with patients with gluten related diseases. This book covers new native/seasonal ingredients that improve the nutritional profile of baked goods, shelf life and starch retrogradation during storage, gluten-free edible film/toppings application, biotechnological pre-treatments of gluten-free flours and ingredients to enhance their technological/nutritional functionality, baked goods with spontaneous fermentation, sourdough from yeasts vs LAB present in gluten-free flours and effects on technological, nutritional and sensory characteristics. All these aspects were extensively discussed in this work, plus it provides a fully up-to-date studies on gluten-related health disorders and summarizes the main research advances in gluten-free product development and their market-related and industrial impact. This novel approach makes this book a unique and highly valuable resource for those on the forefront of gluten-free foods application.

This book presents the proceedings of the 10th Central European Congress on Food (CEFood), held on June 11-13, 2020, in Sarajevo, Bosnia and Herzegovina. It reports on recent advances in the area of food science and food technology, and is divided into 5 major topical sections: food analysis, food energy systems, food trends and competitiveness, food and feed chain management, and modern challenges. Offering a timely snapshot of cutting-edge, multidisciplinary research and developments in modern food science and technology, these proceedings facilitate the transfer of these findings to industry. As such, the book will appeal to researchers and professionals in the food and agricultural industries, as well as those at regulatory and food safety agencies.

The creation of plant-based foods is one of the most rapidly advancing areas in the modern food industry. Many consumers are adopting more plant-based foods in their diets because of concerns about global warming and its devastating impacts on the environment and biodiversity. In addition, consumers are adopting plant-based diets for ethical and health reasons. As a result, many food companies are developing plant-based analogs of animal-based foods like dairy, egg, meat, and seafood products. This is extremely challenging because of the complex structure and composition of these animal-based foods.Next-Generation Plant-based Foods: Design, Production and Properties presents the science and technology behind the design, production, and utilization of plant-based foods. Readers will find a review of ingredients, processing operations, nutrition, quality attributes, and specific plant-based food categories such as milk and dairy products, egg and egg products, meat and seafood products, providing the fundamental knowledge required to create the next generation of healthier and more sustainable plant-based food alternatives.

This book entitled 'Application of Nanotechnology in Food Science, Processing and Packaging' presents up-to-date information on the emerging roles of nanotechnology in food industry, its fundamental concepts, techniques and applications. The application of nanotechnology in the food industry is an emerging area which has found tremendous use in improving food quality through the enhancement of food taste, texture, colour, and flavour. Also, its application has improved the bioavailability and target delivery of certain bioactive food ingredients through controlled release of nutrients, a feature that is impossible with the conventional methods of food processing. The application of nanotechnology in food packaging for the detection of contaminants, pathogens, biotoxins and pesticides through nanosensor safety evaluations has led to the increase in shelf-life of products and quality assurance through the detection and monitoring of toxins. This book taps from the experience of subject experts from key institutions around the world. The users of this book will benefit greatly as the chapters were simplified and arranged carefully to aid proper understanding, consistency and continuity.

The plant-based food industry has flourished in recent years, with a steady stream of exciting product launches reaching the worldwide market. Consumers have become interested in a plant-based diet that includes grains, legumes, seeds, nuts, fruits and vegetables. There are a number of factors involved in this trend, including consumer opposition to harming animals, health problems such as lactose intolerance, desire for a healthier lifestyle and environmental awareness.Several books related to plant-based diets and cookbooks have been published for vegans and vegetarians, however there is no research work related to plant-based production, technology, ingredients and their qualitative and nutritional properties based on the results of scientific studies. Future Food: Plant-Based Products is the first book where the comparison of plant-based products with other alternatives are explored in detail. Novel plant-based product formulations, production and results of recent studies are examined in detail in this book.Plant-based products are mainly alternatives to dairy and meat products, and this text includes comprehensive chapters on meat substitutes and plant-based non-dairy products. In the opening chapter the main ingredients and raw materials used to produce a variety of plant-based products are covered along with their qualitative and nutritional properties. Further chapters focus on the health effects of plant-based products and microbiological and safety issues. For researchers seeking a full, up-to-date overview of plant-based product alternatives and their production, health affects and safety aspects, this book meets your needs.

Kapitel 1 Allgemeine EinführungDefinition von Emulsionen und die Rolle des Emulgators. Klassifizierung aufgrund der Art des Emulgators. Klassifizierung auf der Grundlage der Struktur des Systems. Allgemeine Instabilitätsprobleme bei Emulsionen: Kremierung/Sedimentation, Ausflockung, Ostwald-Reifung, Koaleszenz und Phasenumkehr. Bedeutung von Emulsionen in verschiedenen industriellen Anwendungen.Kapitel 2 Thermodynamik der Emulsionsbildung und -zersetzungAnwendung des zweiten Hauptsatzes der Thermodynamik auf die Emulsionsbildung: Gleichgewicht von Energie und Entropie und nicht-spontane Bildung von Emulsionen. Zersetzung der Emulsion durch Ausflockung und Koaleszenz in Abwesenheit eines Emulgators. Die Rolle des Emulgators bei der Verhinderung von Ausflockung und Koaleszenz durch die Schaffung einer Energiebarriere, die sich aus den Abstoßungsenergien zwischen den Tröpfchen ergibt.Kapitel 3 Wechselwirkungskräfte zwischen EmulsionströpfchenVan-der-Waals-Anziehung und ihre Abhängigkeit von der Tröpfchengröße, der Hamaker-Konstante und dem Abstand zwischen den Tröpfchen. Elektrostatische Abstoßung aufgrund des Vorhandenseins elektrischer Doppelschichten und ihre Abhängigkeit vom Oberflächenpotential (oder Zeta-Potential) und der Konzentration und Wertigkeit des Elektrolyten. Kombination der van-der-Waals-Anziehung mit der Doppelschichtabstoßung und der Theorie der Kolloidstabilität. Sterische Abstoßung aufgrund der Anwesenheit adsorbierter nichtionischer Tenside und Polymere. Kombination der van-der-Waals-Attraktion mit der sterischen Abstoßung und die Theorie der sterischen Stabilisierung.Kapitel 4 Adsorption von Tensiden an der Öl/Wasser-GrenzflächeThermodynamische Analyse der Adsorption von Tensiden und die Gibbs'sche Adsorptionsisotherme. Berechnung der Menge der Tensidadsorption und der Fläche pro Tensidmolekül an der Grenzfläche. Experimentelle Techniken zur Messung der Grenzflächenspannung.Kapitel 5 Mechanismus der Emulgierung und die Rolle des EmulgatorsBeschreibung der Faktoren, die für die Verformung der Tröpfchen und ihr Auseinanderbrechen verantwortlich sind. Rolle des Tensids bei der Verhinderung der Koaleszenz während der Emulgierung. Definition der Gibbs'schen Dilatationselastizität und des Marangoni-Effekts bei der Verhinderung der Koaleszenz.Kapitel 6 Methoden der EmulgierungRohrströmung, statische Mischer und Hochgeschwindigkeitsrührer (Rotor-Stator-Mischer). Laminare und turbulente Strömung. Emulgieren mit Membranen. Hochdruckhomogenisatoren und Ultraschallverfahren.Kapitel 7 Auswahl der EmulgatorenDas Hydrophil-Lipophil-Gleichgewicht (HLB) und seine Anwendung bei der Auswahl von Tensiden. Berechnung der HLB-Zahlen und die Auswirkungen der Art der Ölphase. Die Methode der Phaseninversionstemperatur (PIT) zur Auswahl von Emulgatoren. Die Methode des Kohäsionsenergieverhältnisses für die Emulgatorauswahl.Kapitel 8 Aufrahmung/Sedimentation von Emulsionen und ihre VerhinderungTriebkraft für die Cremation/Sedimentation: Einfluss der Schwerkraft, der Tröpfchengröße und des Dichteunterschieds zwischen Öl und kontinuierlicher Phase. Berechnung der Cremierungs-/Sedimentierungsrate in verdünnten Emulsionen. Einfluss der Erhöhung des Volumenanteils der dispersen Phase auf die Kremierungs-/Sedimentationsrate. Verminderung der Kremierung/Sedimentation: Gleichgewicht der Dichte der beiden Phasen, Verringerung der Tröpfchengröße und Wirkung der Zugabe von "Verdickungsmitteln".Kapitel 9 Ausflockung von Emulsionen und ihre VerhinderungFaktoren, die die Ausflockung beeinflussen. Berechnung der schnellen und langsamen Ausflockungsrate. Definition des Stabilitätsverhältnisses und seine Abhängigkeit von der Elektrolytkonzentration und der Wertigkeit. Definition der kritischen Koagulationskonzentration und ihre Abhängigkeit von der Elektrolytauflösung. Verringerung der Ausflockung durch Verstärkung der Abstoßungskräfte.Kapitel 10 Ostwald-Reifung und ihre VerringerungFaktoren, die für die Ostwald-Reifung verantwortlich sind: Unterschiedliche Löslichkeit zwischen kleinen und großen Tropfen und die Kelvin-Gleichung. Berechnung der Rate der Ostwald-Reifung. Verringerung der Ostwald-Reifung durch Zugabe einer kleinen Menge hochunlöslichen Öls. Verringerung der Ostwald-Reifung durch die Verwendung von stark adsorbierten polymeren Tensiden und Erhöhung der Gibbs-Elastizität. Kapitel 11 Emulsionskoaleszenz und ihre Verhinderung der Emulsionskoaleszenz: Verdünnung und Unterbrechung des Flüssigkeitsfilms zwischen den Tröpfchen. Das Konzept des Trennungsdrucks zur Verhinderung der Koaleszenz. Methoden zur Verringerung oder Beseitigung der Koaleszenz: Verwendung von gemischten Tensidfilmen, Verwendung von lamellaren flüssigkristallinen Phasen und Verwendung von polymeren Tensiden.Kapitel 12 Phaseninversion und ihre VerhinderungUnterscheidung zwischen katastrophaler und transienter Phaseninversion. Einfluss des dispersen Volumenanteils und der HLB-Zahl des Tensids. Erläuterung der für die Phaseninversion verantwortlichen Faktoren.Kapitel 13 Charakterisierung von EmulsionenMessung der Tröpfchengrößenverteilung : Optische Mikroskopie und Bildanalyse. Phasenkontrast- und PolarisationsmikroskopieBeugungsmethoden. Konfokale Lasermikroskopie. RückstreuungsmethodenKapitel 14 Industrielle Anwendung von Emulsionen14.1 Anwendung in der Pharmazie14.2 Anwendung in der Kosmetik14.3 Anwendung in der Agrochemie14.4 Anwendung in der Farbenindustrie14.5 Anwendung in der Ölindustrie

Natto is Japan's infamous, divisive, so-called 'superfood' made by fermenting soybeans (Glycine max) with the bacterium Bacillus subtilis. The story of natto finds itself stretched everywhere: from the migrations of the last Ice Age to the frontiers of biotechnology, from the streets of Edo to the supermarket refrigerator, from the invention of the petri dish to the modern clinical trial; and everywhere in-between.This is the first comprehensive English-language book that explores all aspects of natto: its history, science, and technology, with the hope more people will come to appreciate its curious qualities.

This book comprehensively reviews the phytochemistry, functional properties, and health-promoting effects of bioactive compounds found in oil processing by-products, and it also explores the food and non-food applications of these by-products. Several oilseeds, vegetables, and fruits are cultivated for their oils and fats, wherein the oil extraction industry generates a huge amount of waste (meal or cake). The valorisation of this waste would be very beneficial not only from the economic and environmental perspectives, but also for the potential applications in food, cosmetics and pharmaceutical industries, in which phytochemicals derived from vegetable oil and oilseed processing by-products play an important role in, for instance, extending the shelf life of several products and providing added-value properties with their antioxidant and antimicrobial properties.In this work, expert contributors discuss about the added-value of biowaste from common and non-traditional vegetable oils and oilseeds processing, as well as fruit oils processing, and offer an extensive overview of the different bioactive compounds found in extracts from oil processing by-products and their chemical composition. The book also collects several examples in which oil processing by-products are integrated into industrial activities such as food production, livestock production and in pharmaceutical and cosmetics industries. Professionals and scholars alike interested in the recycling of agro-industrial wastes derived from vegetable oil and oilseed processing by-products will find this book a handy reference tool.

This text offers a holistic approach to the two topics of the highest interest in the current and future food industry: sustainability and nutrition. The current knowledge is narrow and specific to individual topics focusing on either one nutrient or one discipline. Food is part of a wide circle of disciplines: nutrition, technology, sensory, environmental aspects, psychology, economy, culture and society. In the recent years, the sales of innovative foods such as meatless burgers, allergen-free products and personalized nutrition have skyrocketed. Sustainable Food Innovation presents the big picture on each nutrient: industrial and natural sources (ingredients, food products), consumer acceptability (price, sensory quality) and nutritional properties (quantity and quality) with each chapter focusing on a specific essential nutrient. Further chapters illustrate the role of other elements of interest such as bioactive. In addition, experimental datais added to enrich the book. Online discussions on current food trends are analyzed and presented to the reader in the effort to understand consumers¿ psychology.This will be the first publication to combine literature review and research data and the first to offer a comprehensive discussion on sustainable food innovation. The ultimate goal is to educate consumers and experts, providing technical and socioeconomic knowledge in a multidisciplinary context. Ultimately, informed technologists will develop healthier, sustainable food products and informed consumers will make informed decisions on nutrition and food choices.

First published in 1984, and now in its 6th edition, this book has become the classic text on food chemistry around the world. The bulk components - carbohydrates, proteins, fats, minerals and water, and the trace components - colours, flavours, vitamins and preservatives, as well as food-borne toxins, allergens, pesticide residues and other undesirables all receive detailed consideration. Besides being extensively rewritten and updated a new chapter on enzymes has been included. At every stage attention is drawn to the links between the chemical components of food and their health and nutritional significance.Features include:"e;Special Topics"e; section at the end of each chapter for specialist readers and advanced students; an exhaustive index and the structural formulae of over 500 food components; comprehensive listings of recent, relevant review articles and recommended books for further reading; frequent references to wider issues eg the evolutionary significance of lactose intolerance, fava bean consumption in relation to malaria and the legislative status of food additives around the world.Food: The Chemistry of its Components will be of particular interest to students and teachers of food science, nutrition and applied chemistry in universities, colleges and schools. Its accessible style ensures that it will be invaluable to anyone with an interest in food issues.

Edited and authored by world experts, this book covers the newest areas of research into cheese manufacture and engineering, as well as the latest developments concerning properties and structure.

This book creates a multidisciplinary forum of discussion on Ficus carica with particular emphasis on its horticulture, post-harvest, marketability, phytochemistry, extraction protocols, biochemistry, nutritional value, functionality, health-promoting properties, ethnomedicinal applications, technology and processing. The impact of traditional and innovative processing on the recovery of high-added value compounds from Ficus carica byproducts is extensively reported. Also, the text discusses the potential applications of Ficus carica in food, cosmetics, and pharmaceutical products. Fig (Ficus carica): Production, Processing, and Properties illustrates a diversity of developments in food science and horticultural research including:Production, processing, chemistry, and functional properties of Ficus carica.Ficus carica phytochemicals and its health-promoting effects.Food, non-food and technological applications of Ficus carica.Recent research focuses on studying the bioactive compounds and therapeutic traits and investigating the mode of action and toxicological impacts of medical plant extracts and bioactive phytochemicals. Ficus carica is of significant importance due to its widespread food, industrial and medicinal applications. Although Ficus carica products are already commercially available in the international market, it is hard to find a reference work covering the production, processing, chemistry and properties of Ficus carica. This book will be the first publication focusing specifically on this important topic.

Fermented foods play a major role in human nutrition and health, given the addition of flavor, improvement of texture, preservation against spoilage, and ease of digestion due to the fermentation process.This book provides information about the chemistry and bioactive compounds of African fermented food products, including their nutritional value and minor constituents. Chapters cover a wide range of topics, from the microorganisms involved in spontaneous fermentation to food safety considerations and quality assessment. The text can be used as a practical manual to better understand the nutritional and medicinal uses of various African fermented foods, as well as prepare recipes and product labels.

Tenside sind oberflächenaktive Stoffe, Moleküle, die eine wichtige Rolle in Emulsionen, Suspensionen und Schäumen spielen. Sie finden breite Anwendung in der Körperpflege, Kosmetik, Pharmazie, Agrochemie und Lebensmittelindustrie. Ihre Klassifizierung, ihre physikalischen Eigenschaften, ihr Phasenverhalten, ihre Wirkungen und Anwendungen werden in diesem Buch praxisnah behandelt.

Formulierungstechnik und Aufbereitung schließt sich der Synthese und Reinigung an, um eine gute Entfaltung eines Wirkstoffes und eine optimale Handels- oder Verkaufsform zu erreichen. Nach einer allgemeinen Einführung, in der die Wechselwirkungskräfte zwischen Partikeln und Tröpfchen, Systeme der Selbstorganisation, polymere Tenside und Nanoemulsionen, befasst sich das Buch mit industriellen Beispielen, die von Schäumen und Seifen bis hin zu Haarpflege-, Sonnenschutz- und Make-up-Produkten reichen. Formulierungen kombiniert Informationen, die sowohl von Formulierungschemikern als auch von Forschern in der kosmetischen Industrie, aufgrund der wachsenden Anzahl von Produkten benötigt werden.

Brewing Microbiology: Managing Microbes, Ensuring Quality and Valorising Waste, Second Edition covers micro-organisms of significance to the brewing industry, including the most recent threats to beer quality and stability that have emerged. Reflecting the significant surge in production of no- and low-alcohol (NOLO) beers and Hard Seltzers since the publication of the 1st edition, and the lack of information available on the increased microbiological risk associated with these beverages - and how to control them, a new chapter "Maintaining microbiological quality control in Hard Seltzers and NOLO beverages" provides best practices in ensuring safe and effective management in production and stability. Sustainability and the environment have been at the forefront of brewers strategic thinking for many years. The first edition of Brewing Microbiology included coverage of anaerobic treatments of brewery waste and waste-water treatment. This section has been expanded to cover recent innovations in the valorization of brewery waste streams, such as biotransformation of brewers spent grains.

This book provides a comprehensive overview of the literature on the health benefits of natural dietary antioxidant supplements.

This collection reviews current advances in cellular agriculture, focussing primarily on the emerging research in cultured meat technology. The book considers the establishment of regulatory frameworks for cultured meat in the USA and Singapore and highlights the quality and sustainability issues which can arise as a result of its creation.