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Author: Amos Nussinovitch
Publisher: CRC Press
ISBN: 1420052241
Category : Science
Languages : en
Pages : 430
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Book Description
Considered magicians of the ingredient world, gums (hydrocolloids) are used in a variety of food applications. They possess excellent thickening, binding, emulsifying, suspension, and viscosity properties. The first comprehensive reference produced on gums in 60 years, this work is organized by taxonomy. Each entry contains the botanical name and synonyms of the tree from which it is exuded, common names, geographic distribution, chemical characteristics and structural features, physical properties, and industrial and food applications. The uses of other parts of the trees from which the gums originate are also detailed. Entries are illustrated with color photos and line drawings.
Author: Amos Nussinovitch
Publisher: CRC Press
ISBN: 1420052241
Category : Science
Languages : en
Pages : 430
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Book Description
Considered magicians of the ingredient world, gums (hydrocolloids) are used in a variety of food applications. They possess excellent thickening, binding, emulsifying, suspension, and viscosity properties. The first comprehensive reference produced on gums in 60 years, this work is organized by taxonomy. Each entry contains the botanical name and synonyms of the tree from which it is exuded, common names, geographic distribution, chemical characteristics and structural features, physical properties, and industrial and food applications. The uses of other parts of the trees from which the gums originate are also detailed. Entries are illustrated with color photos and line drawings.
Author: T. Pullaiah
Publisher: CRC Press
ISBN: 1040098843
Category : Nature
Languages : en
Pages : 230
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Book Description
Polysaccharide gums have a wide range of applications due to their hydrophilic properties. They have been used as a gelling agent, encapsulating agent, thickener, emulsifier, and stabilizer. Sourcing natural gums from botanical and plant sources has become an important focus in producing acceptable food ingredients in liquids and semi-solid forms. This is mainly because of the positive attitude of consumers toward plant-based gums rather than other gums from animal and microbial sources. Gum karaya, also known as Indian tragacanth, is a vegetable gum produced as an exudate by trees of the genus Sterculia. Gum karaya has very strong swelling properties, high viscosity, and very poor solubility because of its acetyl groups. Therefore, it is mainly used in cosmetics and pharmaceuticals. Gum karaya is one of the least-soluble gums used for many industries, such as petroleum and gas, textile, paper and pulp, leather and allied products, ammunition and explosives, electrical appliances, adhesives, confectionery, medicine, pharmaceuticals, and cosmetics. Because of the crude tapping method and overexploitation, the population of karaya trees has markedly declined. In the absence of cultivation of this tree on the regular plantation, there is grave concern about the loss of wild germplasm of S. aurens. As gum karaya is vital for the tribal economy and its trade value is substantial, there is a pressing need to develop a scientific and sustainable tapping method to increase the yield and ensure the survival of the tapped trees. There is also a need for a large-scale plantation of gum karaya. People are becoming health-conscious and are taking natural products as food ingredients. This book will be useful to all the people interested in natural food additives. This book gives the details of gum karaya–yielding species and their distribution. Scientific methods of gum tapping are given for sustainable gum production. Propagation methods, both field and in vitro, are given. Uses of gum karaya, in cosmetics, pharmaceuticals, and food, are given. Genetic diversity and biotechnological intervention for the improvement of gum karaya–yielding species are included. Threats and conservation of gum karaya–yielding species are given.
Author: S. Gautami
Publisher:
ISBN:
Category : Gums and resins
Languages : en
Pages : 88
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Book Description
Author: American Chemical Society. Division of Colloid and Surface Chemistry
Publisher:
ISBN:
Category : Biocolloids
Languages : en
Pages : 0
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Book Description
Author: Roy Whistler
Publisher: Elsevier
ISBN: 0323161316
Category : Technology & Engineering
Languages : en
Pages : 820
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Book Description
Industrial Gums: Polysaccharides and their Derivatives, Second Edition covers the biochemical approaches to the modification and production of natural synthetic gums. This book is organized into two main parts encompassing 31 chapters. The first part deals with natural gums, including seaweed extracts, plant exudates and extracts, seed gums, and animal extracts. Considerable chapters in this part discuss the preparation, structure, derivatives, biosynthesis, and economics of these natural gums. The second part explores the industrial production, structure, and properties of synthetic gums, such as scleroglucan, dextrans, and starch and cellulose derivatives. Scientists, research workers, and manufacturers of both natural and synthetically prepared gums will find this book invaluable.
Author: Kenneth VandenBosch
Publisher:
ISBN:
Category : Gum Karaya
Languages : en
Pages : 50
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Book Description
Author: James N. BeMiller
Publisher: Academic Press
ISBN: 0080926541
Category : Technology & Engineering
Languages : en
Pages : 657
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Book Description
This standard reference covers the sources, manufacture, specifications, chemistry, physical properties, and current and potential uses of gums. It provides an outline of gums and their uses as well as an understanding of why gums behave in different ways, giving the reader an ability to select the best gum for a particular purpose. Chapters have been constructed to provide balanced information and chapter authors have been selected because of outstanding competence in their specialized areas. Industrial Gums is a useful reference for students and industrial researchers and engineers in chemical, industrial, and applied engineering, biochemistry, food technology, materials chemistry, pharmaceuticals, and biopolymers.
Author: Michael Ash
Publisher: Synapse Info Resources
ISBN: 1890595667
Category : Chemical preservatives
Languages : en
Pages : 890
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Book Description
This handbook contains comprehensive information on more than 5000 trade names and generic chemicals and materials that are used in a broad range of formulations to prevent the contamination and decomposition of end products. Product degradation can be caused by exposure to oxygen, ozone, bacteria, molds, yeast, mildew, and fungi. The industries that depend on the proper selection of preserving chemicals and materials are diverse and include: plastics, elastomers, construction, paper/pulp, agriculture, textiles, paints and coatings, pharmaceutical, cosmetics, food, beverages.This handbook contains comprehensive information on a variety of preservatives available from major chemical manufacturers and can expedite the material selection process for chemists, formulators and purchasing agents by providing the answers to these questions:? Is the agent capable of inhibiting the detrimental effects of oxygen, ozone, or microbes to the extent necessary?? Is the agent's overall physical and chemical attributes compatible with the product or system being protected?? Can the agent remain stable under storage conditions and for the application requirements?? Is its safety in production and handling acceptable?? Does its level of toxicity meet environmental regulations?? Does it meet cost requirements?
Author: A. Imeson
Publisher: Springer Science & Business Media
ISBN: 1461535522
Category : Technology & Engineering
Languages : en
Pages : 269
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Book Description
Thickening and gelling agents are invaluable for providing high quality foods with consistent properties, shelf stability and good consumer appeal and acceptance. Modern lifestyles and consumer demands are expected to increase the requirements for these products. Traditionally, starch and gelatin have been used to provide the desired textural properties in foods. Large-scale processing technology places greater demands on the thickeners and gelling agents employed. Modified starches and specific qualities of gelatin are required, together with exudate and seed gums, seaweed extracts and, most recently, microbial polysaccharides, to improve product mouthfeel properties, handling, and stability characteristics. These hydrocolloids have been established as valuable food additives as a result of extensive practical experience with different products. Nevertheless, the last few years have produced much additional research data from sophisticated new analytical methods. Information on the fine structure of these complex molecules has given a tremendous insight into the three-dimensional conformation of hydro colloids and their behaviour in solution. Critical components within the biopolymer have been identified which provide particular thickening, suspending, stabilising, emulsifying and gelling properties. Contributions for this book have been provided by senior development managers and scientists from the major hydrocolloid suppliers in the US and Europe. The wealth of practical experience within this industry, together with chemical, structural and functional data, has been collated to provide an authoritative and balanced view of the commercially significant thickening and gelling agents in major existing and potential food applications.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 700
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Book Description
