Nutrition and Flavor During Food Processing: Change Patterns and Mechanisms PDF Download

Author: Peng Wang
Publisher: Frontiers Media SA
ISBN: 2832548784
Category : Medical
Languages : en
Pages : 149

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Book Description
Food consumption is leaning toward products that provide both nutritional value and good flavor. In recent years, researchers have focused on how to scientifically analyze and evaluate foods’ nutritional and flavor qualities under different processing methods or parameters by various effect relationship analysis tools to investigate the internal relations between nutrients and flavor substances. However, during food processing, some unstable components may undergo degradation, volatilization, or secondary reactions due to changes in temperature, pressure, humidity, pH, etc., resulting in challenging research work with complex data variations in multiple dimensions.

Author: Delia B. Rodriguez-Amaya
Publisher: Academic Press
ISBN: 0128173815
Category : Technology & Engineering
Languages : en
Pages : 721

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Book Description
Chemical Changes During Processing and Storage of Foods: Implications for Food Quality and Human Health presents a comprehensive and updated discussion of the major chemical changes occurring in foods during processing and storage, the mechanisms and influencing factors involved, and their effects on food quality, shelf-life, food safety, and health. Food components undergo chemical reactions and interactions that produce both positive and negative consequences. This book brings together classical and recent knowledge to deliver a deeper understanding of this topic so that desirable alterations can be enhanced and undesirable changes avoided or reduced. Chemical Changes During Processing and Storage of Foods provides researchers in the fields of food science, nutrition, public health, medical sciences, food security, biochemistry, pharmacy, chemistry, chemical engineering, and agronomy with a strong knowledge to support their endeavors to improve the food we consume. It will also benefit undergraduate and graduate students working on a variety of disciplines in food chemistry Offers a comprehensive overview of the major chemical changes that occur in foods at the molecular level and discusses the positive and negative effects on food quality and human health Describes the mechanisms of these chemical changes and the factors that impede or accelerate their occurrence Helps to solve daily industry problems such as loss of color and nutritional quality, alteration of texture, flavor deterioration or development of off-flavor, loss of nutrients and bioactive compounds or lowering of their bioefficacy, and possible formation of toxic compounds

Author: Thomas Richardson
Publisher: Springer
ISBN: 9781461293897
Category : Science
Languages : en
Pages : 536

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Book Description
1 Chemical Changes in Food During Processing-An Overview.- Food Processing in Perspective.- Chemical Changes during Processing.- Means of Controlling Chemical Reactions in Foods during Processing and Handling.- Conclusion.- References.- 2 Chemistry of Reactive Oxygen Species.- Reactive Species.- Photosensitized Oxidations.- Methods of Characterizing Reactive Intermediates.- Summary.- References.- 3 Metal-Catalyzed Reactions of Organic Compounds.- Ionic Reactions Promoted by Metal Ions.- Metal-Catalyzed Oxidation of Organic Compounds.- References.- 4 Free Radical Chemistry of Natural Products.- Peroxyl Radicals.- Alkoxyl Radicals.- Superoxide and Hydroperoxyl Radicals.- Hydroxyl Radical.- Other Radicals.- References.- 5 Mechanism of Fatty Acid and Phospholipid Autoxidation.- References.- 6 Thermal and Radiolytic Decomposition of Lipids.- Extent of Decomposition.- Radiolytic Reactions.- Thermolytic Reactions.- Thermal Oxidative Reactions.- Comparison of Product Patterns.- References.- 7 Antioxidants.- Experimental Techniques.- Generation of Peroxy Radicals.- Generation of Oxidizing Radicals.- Reactions of Peroxy and Oxidizing Radicals with Antioxidants.- Reactivities of Peroxy Radicals.- Reactivities of Antioxidants.- Spectral Properties.- Structure-Reactivity Relationships for Antioxidants.- Conclusions.- References.- 8 Mechanisms of Oxidoreductases Important in Food Component Modification.- Polyphenol Oxidase.- Lipoxygenase.- Peroxidase and Catalase.- Xanthine Oxidase, Xanthine Dehydrogenase, and Aldehyde Oxidase.- Glucose Oxidase.- Alcohol Dehydrogenase and Aldehyde Dehydrogenase.- References.- 9 Oxidation of Lipids in Biological Tissue and Its Significance.- The Polyunsaturated Fatty Acid Cascade.- Formation of Hydroperoxides.- Peroxy Radical Model for Prostaglandin Formation.- Potential Chemical Models for Biochemical Conversion of Hydroperoxides.- Significance of the Cascade.- References.- 10 Oxidation-Induced Changes in Foods.- Lipid Oxidation in Processed Peanuts.- Quality of Frying Fats for Fast Food Services.- Oxidative Cross-Linking of Polyphenolics in Rice.- References.- 11 Controlling Acyl Transfer Reactions of Hydrolases to Alter Food Constituents.- Acyl Transfer.- Lipases.- Thiol Proteinases.- Acid Proteinases.- Conclusions.- References.- 12 Chemical Reactions of Proteins.- General Chemistry of Reactions.- Some Typical Reactions.- Some Deteriorative Reactions of Practical Importance.- Possible Unhealthful Deteriorative Products.- References.- 13 Some Aspects of the Chemistry of Nonenzymatic Browning (The Maillard Reaction).- Sugar-Amine Interactions.- Maillard Polymer Formation.- References.- 14 Principal Changes in Starches During Food Processing.- Gelatinization.- Degradation.- Retrogradation.- Bread Staling.- References.- 15 Chemical Changes in Flavor Components During Processing.- Enzymatically and/or Microbially Produced Compounds.- Thermal Changes.- References.- 16 Changes in Pectin and Cellulose During Processing.- Cell Wall Structure.- Sugar Composition, Size, and Shape of Pectin Molecules.- Pectin Methylation.- Pectin Ionization and Ion Binding.- Pectin Structure in Cell Walls.- Recent Studies of Pectic Enzymes.- Role of Pectin in Fruit and Vegetable Texture.- Cellulose Structure and Function.- References.- 17 Chemical Changes of Vitamins During Food Processing.- Vitamin Degradation Reactions.- Conversion to Products Exhibiting Reduced Biological Activity.- Processing Effects on Vitamin Bioavailability.- Conclusions.- References.- 18 Chemical Changes in Natural Food Pigments.- Carotenoids.- Chlorophyll.- Heme Pigments.- Anthocyanins.- Betalains.- References.- 19 Environmental Effects on Protein Quality.- Influence of Heat on Proteins.- Nonenzymatic Browning.- Photooxidation Reactions of Proteins.- Interaction of Protein with Oxidizing Lipids.- Influence of Alkaline Conditions on Protein.- Conclusions.- References.- 20 Environmental Effects on Chemical Changes in Foods.- Environmental Effects on Rates of C

Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309148057
Category : Medical
Languages : en
Pages : 506

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Book Description
Reducing the intake of sodium is an important public health goal for Americans. Since the 1970s, an array of public health interventions and national dietary guidelines has sought to reduce sodium intake. However, the U.S. population still consumes more sodium than is recommended, placing individuals at risk for diseases related to elevated blood pressure. Strategies to Reduce Sodium Intake in the United States evaluates and makes recommendations about strategies that could be implemented to reduce dietary sodium intake to levels recommended by the Dietary Guidelines for Americans. The book reviews past and ongoing efforts to reduce the sodium content of the food supply and to motivate consumers to change behavior. Based on past lessons learned, the book makes recommendations for future initiatives. It is an excellent resource for federal and state public health officials, the processed food and food service industries, health care professionals, consumer advocacy groups, and academic researchers.

Author: Vibeke Orlien
Publisher: MDPI
ISBN: 3039434160
Category : Technology & Engineering
Languages : en
Pages : 102

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Book Description
Food processing by humans goes a long way back in time, e.g., heat for cooking was used 1.9 million years ago. However, meal preparation now seems to be moving out of the home kitchen, and preprocessed or processed/convenience food products are becoming a larger part of the daily diet. In addition, consumers are progressively focusing on the impact of food on their health, and they demand foods that have a high nutritional quality and an aroma and natural flavor that are similar to freshly-made products. Therefore, nutritional quality is concurrent with food safety, and sensory perception is becoming an increasingly important factor in food choices. The human digestive tract disintegrates food to allow the nutrients to be released and made available to the body. However, nutrients can undergo unwanted degradation upon processing and subsequent storage, negatively influencing the physiological effects. Different processing techniques will result in different food structures, thereby also affecting bioaccessibility and nutritional value. Hence, food scientists and industry have an increased interest in both conventional and innovative processing methods that can provide good-quality products with high nutritional value and stable shelf life. This Special Issue aims to shed some light on the latest knowledge about and developments within the effects of food processing and storage on changes of biochemical and nutritional compounds. Both original research articles and reviews are included in this book.

Author: Peter Chi Keung Cheung
Publisher: Springer
ISBN: 9783642366048
Category : Technology & Engineering
Languages : en
Pages : 0

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Book Description
This handbook is intended to be a comprehensive reference for the various chemical aspects of foods and food products. Apart from the traditional knowledge, this book covers the most recent research and development of food chemistry in the areas of functional foods and nutraceuticals, organic and genetically modified foods, nonthermal food processing as well as nanotechnology. This handbook contains both the basic and advanced chemistry both for food research and its practical applications in various food related industries and businesses. This book is appropriate for undergraduates and postgraduates in the academics and professionals from the various disciplines and industries who are interested in applying knowledge of food chemistry in their respective fields.

Author: Vibeke Orlien
Publisher:
ISBN: 9783039434176
Category :
Languages : en
Pages : 102

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Book Description
Food processing by humans goes a long way back in time, e.g., heat for cooking was used 1.9 million years ago. However, meal preparation now seems to be moving out of the home kitchen, and preprocessed or processed/convenience food products are becoming a larger part of the daily diet. In addition, consumers are progressively focusing on the impact of food on their health, and they demand foods that have a high nutritional quality and an aroma and natural flavor that are similar to freshly-made products. Therefore, nutritional quality is concurrent with food safety, and sensory perception is becoming an increasingly important factor in food choices. The human digestive tract disintegrates food to allow the nutrients to be released and made available to the body. However, nutrients can undergo unwanted degradation upon processing and subsequent storage, negatively influencing the physiological effects. Different processing techniques will result in different food structures, thereby also affecting bioaccessibility and nutritional value. Hence, food scientists and industry have an increased interest in both conventional and innovative processing methods that can provide good-quality products with high nutritional value and stable shelf life. This Special Issue aims to shed some light on the latest knowledge about and developments within the effects of food processing and storage on changes of biochemical and nutritional compounds. Both original research articles and reviews are included in this book.

Author: Deborah D. Roberts
Publisher:
ISBN:
Category : Cooking
Languages : en
Pages : 504

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Book Description
This book examines the physical chemistry of how volatile flavor compounds are released in the mouth and how they correlate with sensory perception. It is an excellent technical reference for flavor release researchers as it establishes the background of this active new area of flavor chemistry and outlines major recent developments.

Author: M. Shafiur Rahman
Publisher: CRC Press
ISBN: 9780824702090
Category : Technology & Engineering
Languages : en
Pages : 832

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Book Description
With over 2900 references, tables, and drawings, this book covers a wide variety of conventional and potential food preservation techniques. Emphasizing practical, cost-effective, and safe strategies, the book facilitates the selection of the best food ingredients and preservation techniques. It covers postharvest handling, explains conventional preservation methods, details the use of natural antimicrobials, antioxidants, edible coating, nitrites, food packaging, and HACCP in food safety. Highlighting the effects of preservation methods on the functional and sensory properties of foods, the book also features the exact mode or mechanisms involved in each preservation method.

Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1080

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Book Description