Chemistry and Technology of Yoghurt Fermentation PDF Download
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Author: Ettore Baglio
Publisher: Springer
ISBN: 331907377X
Category : Technology & Engineering
Languages : en
Pages : 62
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Book Description
This Brief reviews the chemistry behind the production of yoghurt through acidification of milk. It quantifies the changes in physical and chemical properties of yoghurt during fermentation with microbial organisms (such as Lactobacillus bulgaricus and Streptococcus thermophilus). It has been found that this symbiosis has an optimal development at a temperature of ca. 45°C with the transformation of lactose into lactic acid and small amounts of acetaldehyde, diacetyl and volatile acids. This Brief explains the chemical and physical results of the fermentation process, such as precipitation of proteins and the acid coagulation of milk with a clot formation in the final semi-solid mass. The Brief sheds light on the accomplishments of the fermenting organisms: they are responsible for the biochemical reactions of carbohydrate metabolism, proteolysis, lipolysis and flavour production in the process of yoghurt production. It also briefly reviews formulations and food additives used in the modern yoghurt producing industry.
Author: Ettore Baglio
Publisher: Springer
ISBN: 331907377X
Category : Technology & Engineering
Languages : en
Pages : 62
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Book Description
This Brief reviews the chemistry behind the production of yoghurt through acidification of milk. It quantifies the changes in physical and chemical properties of yoghurt during fermentation with microbial organisms (such as Lactobacillus bulgaricus and Streptococcus thermophilus). It has been found that this symbiosis has an optimal development at a temperature of ca. 45°C with the transformation of lactose into lactic acid and small amounts of acetaldehyde, diacetyl and volatile acids. This Brief explains the chemical and physical results of the fermentation process, such as precipitation of proteins and the acid coagulation of milk with a clot formation in the final semi-solid mass. The Brief sheds light on the accomplishments of the fermenting organisms: they are responsible for the biochemical reactions of carbohydrate metabolism, proteolysis, lipolysis and flavour production in the process of yoghurt production. It also briefly reviews formulations and food additives used in the modern yoghurt producing industry.
Author: A. Y. Tamime
Publisher: Elsevier
ISBN: 1845692616
Category : Technology & Engineering
Languages : en
Pages : 808
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Book Description
Previous editions of Yoghurt: Science and Technology established the text as an essential reference underpinning the production of yoghurt of consistently high quality. The book has been completely revised and updated to produce this third edition, which combines coverage of recent developments in scientific understanding with information about established methods of best practice to achieve a comprehensive treatment of the subject. General acceptance of a more liberal definition by the dairy industry of the term yoghurt has also warranted coverage in the new edition of a larger variety of gelled or viscous fermented milk products, containing a wider range of cultures.Developments in the scientific aspects of yoghurt covered in this new edition include polysaccharide production by starter culture bacteria and its effects on gel structure, acid gel formation and advances in the analysis of yoghurt in terms of its chemistry, rheology and microbiology. Significant advances in technology are also outlined, for example automation and mechanisation. There has also been progress in understanding the nutritional profile of yoghurt and details of clinical trials involving yoghurts are described.This book is a unique and essential reference to students, researchers and manufacturers in the dairy industry. - Includes developments in the understanding of the biochemical changes involved in yoghurt production - Outlines significant technological advances in mechanisation and automation - Discusses the nutritional value of yoghurt
Author: Palmiro Poltronieri
Publisher: John Wiley & Sons
ISBN: 1119114802
Category : Technology & Engineering
Languages : en
Pages : 345
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Book Description
An authoritative guide to microbiological solutions to common challenges encountered in the industrial processing of milk and the production of milk products Microbiology in Dairy Processing offers a comprehensive introduction to the most current knowledge and research in dairy technologies and lactic acid bacteria (LAB) and dairy associated species in the fermentation of dairy products. The text deals with the industrial processing of milk, the problems solved in the industry, and those still affecting the processes. The authors explore culture methods and species selective growth media, to grow, separate, and characterize LAB and dairy associated species, molecular methods for species identification and strains characterization, Next Generation Sequencing for genome characterization, comparative genomics, phenotyping, and current applications in dairy and non-dairy productions. In addition, Microbiology in Dairy Processing covers the Lactic Acid Bacteria and dairy associated species (the beneficial microorganisms used in food fermentation processes): culture methods, phenotyping, and proven applications in dairy and non-dairy productions. The text also reviews the potential future exploitation of the culture of novel strains with useful traits such as probiotics, fermentation of sugars, metabolites produced, bacteriocins. This important resource: Offers solutions both established and novel to the numerous challenges commonly encountered in the industrial processing of milk and the production of milk products Takes a highly practical approach, tackling the problems faced in the workplace by dairy technologists Covers the whole chain of dairy processing from milk collection and storage though processing and the production of various cheese types Written for laboratory technicians and researchers, students learning the protocols for LAB isolation and characterisation, Microbiology in Dairy Processing is the authoritative reference for professionals and students.
Author: Giovanni Brunazzi
Publisher: Springer
ISBN: 3319084526
Category : Technology & Engineering
Languages : en
Pages : 125
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Book Description
This Brief defines reliable correlations between the food packaging design and its chemical features in terms of an 'integrated food product' (the synergistic union composed of the edible content and its container). A good design, as described in this Brief, implies the best choices from a series of possibilities, taking into account economical and commercial influences or limitations in the production and processing chain and the chemical interactions that can arise between the food containers and the contained edible material. This Brief highlights how the different requirements can be combined, while avoiding dangerous food risks originating from the chemical interaction between the container and the product. Different designs are critically analysed with relation to the effect on contained foods. The influences and resulting consequences of different possible food packaging designs are highlighted and discussed in selected case studies for some every-day products (like potato chips).
Author: Nagendra P. Shah
Publisher: Academic Press
ISBN: 0128052724
Category : Medical
Languages : en
Pages : 572
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Book Description
Yogurt in Health and Disease Prevention examines the mechanisms by which yogurt, an important source of micro- and macronutrients, impacts human nutrition, overall health, and disease. Topics covered include yogurt consumption's impact on overall diet quality, allergic disorders, gastrointestinal tract health, bone health, metabolic syndrome, diabetes, obesity, weight control, metabolism, age-related disorders, and cardiovascular health. Modifications to yogurt are also covered in scientific detail, including altering the protein to carbohydrate ratios, adding n-3 fatty acids, phytochemical enhancements, adding whole grains, and supplementing with various micronutrients. Prebiotic, probiotic, and synbiotic yogurt component are also covered to give the reader a comprehensive understanding of the various impacts yogurt and related products can have on human health. - Health coverage encompasses nutrition, gastroenterology, endocrinology, immunology, and cardiology - Examines novel and unusual yogurts as well as popular and common varieties - Covers effects on diet, obesity, and weight control - Outlines common additives to yogurts and their respective effects - Reviews prebiotics, probiotics, and symbiotic yogurts - Includes practical information on how yogurt may be modified to improve its nutritive value
Author: June Hersh
Publisher: Reaktion Books
ISBN: 1789144132
Category : Cooking
Languages : en
Pages : 161
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Book Description
Yoghurt: A Global History is a fascinating look at the rich history of yoghurt, from its earliest awakenings in Neolithic times to the modern-day culinary phenomenon it has become. The book delves into its nutritious properties, analyzes worldwide consumption, and explores the new developments in yoghurts, including non-dairy varieties, on-the-go options, and its impact in China, Europe, and North America. Highlighting scientific studies and offering practical guidance, June Hersh helps us better understand the plethora of yoghurt products available. She also provides step by step instructions on how to make foolproof homemade yoghurt, as well as mouthwatering international recipes.
Author: Ramesh C. Chandan
Publisher: John Wiley & Sons
ISBN: 0470276533
Category : Technology & Engineering
Languages : en
Pages : 376
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Book Description
Melding the hands-on experience of producing yogurt and fermented milks over four decades with the latest in scientific research in the dairy industry, editor Chandan and his associate editors have assembled experts worldwide to write Manufacturing Yogurt and Fermented Milks. This one-of-a-kind resource gives a complete description of the manufacturing stages of yogurt and fermented milks from the receipt of raw materials to the packaging of the products. Information is conveniently grouped under four categories: · Basic background—History and consumption trends, milk composition characteristics, dairy processing principles, regulatory requirements, laboratory analysis, starter cultures, packaging, and more · Yogurt manufacture—Fruit preparations and flavoring materials, ingredients, processing principles, manufacture of various yogurt types, plant cleaning and sanitizing, quality assurance, and sensory analysis · Manufacture of fermented milks—Procedure, packaging and other details for more than ten different types of products · Health benefits—Functional foods, probiotics, disease prevention, and the health attributes of yogurt and fermented milks All manufacturing processes are supported by sound scientific, technological, and engineering principles. Manufacturing Yogurt and Fermented Milks is designed for professionals in the dairy and food industry as well as for upper level undergraduate and graduate students majoring in Food Science, Dairy Technology and related fields. Industry professionals, professors, and students engaged in research in dairy/ food science will find the book’s contemporary information and experience-based applications invaluable.
Author: Salvatore Parisi
Publisher: Springer Nature
ISBN: 3031673956
Category :
Languages : en
Pages : 64
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Book Description
Author: Ettore Baglio
Publisher: Springer
ISBN: 9783319657493
Category : Technology & Engineering
Languages : en
Pages : 40
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Book Description
This Brief explains and discusses honey and its production from a chemical perspective. It outlines why honey is a special and unique food, being produced by bees from the nectar of plants or from secretions of living parts of plants. Although glucose and fructose are the main constituents of honey, its overall composition is far from being simple or uniform: other substances such as organic acids, enzymes, or minerals are found in varying amounts. In this Brief, the author addresses the factors that influence the composition of the honey as well as the consequences that the composition has on properties such as color, crystallization, density, viscosity, or the refractive index. This Brief also introduces some of the most commonly used quality parameters for the determination of ageing and/or overheating: 5-hydroxymethylfurfural (HMF) and diastase. Other recently proposed constituents for quality parameters are also mentioned, e.g. 1,2 dicarbonyl compounds (3 deoxyglucosone, methylglyoxal, glyoxal) and furosine, also named 2-furoylmethyl lysine.
Author: Ramesh C. Chandan
Publisher: John Wiley & Sons
ISBN: 1118481321
Category : Technology & Engineering
Languages : en
Pages : 478
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Book Description
Melding the hands-on experience of producing yogurt and fermented milks over four decades with the latest in scientific research in the dairy industry, editor Chandan and his associate editors have assembled experts worldwide to writeManufacturing Yogurt and Fermented Milks, 2nd Edition. This one-of-a-kind resource gives a complete description of the manufacturing stages of yogurt and fermented milks from the receipt of raw materials to the packaging of the products. Information is conveniently grouped under four categories: · Basic background—History and consumption trends, milk composition characteristics, dairy processing principles, regulatory requirements, laboratory analysis, starter cultures, packaging, and more · Yogurt manufacture—Fruit preparations and flavoring materials, ingredients, processing principles, manufacture of various yogurt types, plant cleaning and sanitizing, quality assurance, and sensory analysis · Manufacture of fermented milks—Procedure, packaging and other details for more than ten different types of products · Health benefits—Functional foods, probiotics, disease prevention, and the health attributes of yogurt and fermented milks All manufacturing processes are supported by sound scientific, technological, and engineering principles.
