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Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods PDF Author: Mendel Friedman
Publisher: Springer
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 594

Book Description
Soybean protei ns are wi de 1 y used inhuman foods ina vari ety of forms, including baby formulas, flour, soy protein concentrates, soy protein isolates, soy sauces, textured soy fibers, and tofu. The presence of inhibitors of digestive enzymes in soy proteins impairs nutritional quality and possible safety of this impportant legume. Normal processing conditions based on the use of heat do not completely inactivate these inhibitors, so that residual amounts of plant protease inhibitors are consumed by animals and man. Inhibitors of digestive enzymes are present not only in legumes, such as soybeans, lima beans, and kidney beans, but also in nearly all plant foods, including cereals and potatoes, albeit in much smaller amounts. The antinutritional effects of inhibitors of proteolytic enzymes have been widely studied and can be ameliorated by processing and/or sulfur amino acid fortification. A more urgent concern is reports that rats fed diets containing even low levels of soybean-derived inhibitors, which are found in foods such as soy-based baby formulas, may develop over their lifespan pancreatic lesions leading eventually to neoplasia or tumor formation. On the other hand, recent stUdies suggest that certain enzyme inhibitors from plant foods may prevent cancer formation in other tissues. A key question, therefore, is whether inhibitors from plant foods constitute a human health hazard.

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods PDF Author: Mendel Friedman
Publisher: Springer
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 594

Book Description
Soybean protei ns are wi de 1 y used inhuman foods ina vari ety of forms, including baby formulas, flour, soy protein concentrates, soy protein isolates, soy sauces, textured soy fibers, and tofu. The presence of inhibitors of digestive enzymes in soy proteins impairs nutritional quality and possible safety of this impportant legume. Normal processing conditions based on the use of heat do not completely inactivate these inhibitors, so that residual amounts of plant protease inhibitors are consumed by animals and man. Inhibitors of digestive enzymes are present not only in legumes, such as soybeans, lima beans, and kidney beans, but also in nearly all plant foods, including cereals and potatoes, albeit in much smaller amounts. The antinutritional effects of inhibitors of proteolytic enzymes have been widely studied and can be ameliorated by processing and/or sulfur amino acid fortification. A more urgent concern is reports that rats fed diets containing even low levels of soybean-derived inhibitors, which are found in foods such as soy-based baby formulas, may develop over their lifespan pancreatic lesions leading eventually to neoplasia or tumor formation. On the other hand, recent stUdies suggest that certain enzyme inhibitors from plant foods may prevent cancer formation in other tissues. A key question, therefore, is whether inhibitors from plant foods constitute a human health hazard.

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods PDF Author: Mendel Friedman
Publisher: Springer Science & Business Media
ISBN: 1475700229
Category : Technology & Engineering
Languages : en
Pages : 563

Book Description
Soybean protei ns are wi de 1 y used inhuman foods ina vari ety of forms, including baby formulas, flour, soy protein concentrates, soy protein isolates, soy sauces, textured soy fibers, and tofu. The presence of inhibitors of digestive enzymes in soy proteins impairs nutritional quality and possible safety of this impportant legume. Normal processing conditions based on the use of heat do not completely inactivate these inhibitors, so that residual amounts of plant protease inhibitors are consumed by animals and man. Inhibitors of digestive enzymes are present not only in legumes, such as soybeans, lima beans, and kidney beans, but also in nearly all plant foods, including cereals and potatoes, albeit in much smaller amounts. The antinutritional effects of inhibitors of proteolytic enzymes have been widely studied and can be ameliorated by processing and/or sulfur amino acid fortification. A more urgent concern is reports that rats fed diets containing even low levels of soybean-derived inhibitors, which are found in foods such as soy-based baby formulas, may develop over their lifespan pancreatic lesions leading eventually to neoplasia or tumor formation. On the other hand, recent stUdies suggest that certain enzyme inhibitors from plant foods may prevent cancer formation in other tissues. A key question, therefore, is whether inhibitors from plant foods constitute a human health hazard.

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods

Nutritional and Toxicological Significance of Enzyme Inhibitors in Foods PDF Author:
Publisher:
ISBN: 9781475700237
Category :
Languages : en
Pages : 588

Book Description


Nutritional and Toxicological Consequences of Food Processing

Nutritional and Toxicological Consequences of Food Processing PDF Author: Mendel Friedman
Publisher: Springer Science & Business Media
ISBN: 1489926267
Category : Technology & Engineering
Languages : en
Pages : 531

Book Description
A variety of processing methods are used to make foods edible; to pennit storage; to alter texture and flavor; to sterilize and pasteurize food; and to destroy microorganisms and other toxins. These methods include baking, broiling, cooking, freezing, frying, and roasting. Many such efforts have both beneficial and harmful effects. It is a paradox of nature that the processing of foods can improve nutrition, quality, safety, and taste, and yet occasionally lead to the formation of anti-nutritional and toxic compounds. These multifaceted consequences of food processing arise from molecular interactions among nutrients with each other and with other food ingredients. Since beneficial and adverse effects of food processing are of increasing importance to food science, nutrition, and human health, and since many of the compounds formed have been shown to be potent carcinogens and growth inhibitors in animals, I organized a symposium broadly concerned with the nutritional and toxicological consequences of food processing. The symposium was sponsored by the American Institute of Nutrition (AIN) -Federation of American Societies for Experimental Biology (FASEB) for its annual meeting in Washington, D.C., April 1-5, 1990. Invited speakers were asked to develop at least one of the following topics: 1. Nutrient-nonnutrient interactions between amino acids, proteins, carbohydrates, lipids, minerals, vitamins, tannins, fiber, natural toxicants, etc. 2. Effects of radiation. 3. Thermally induced formation of dietary mutagens, antimutagens, carcinogens, anticarcinogens, antioxidants, and growth inhibitors. 4. Effects of pH on nutritional value and safety.

Encyclopedia of Human Nutrition

Encyclopedia of Human Nutrition PDF Author: Lindsay Allen
Publisher: Elsevier
ISBN: 0080454283
Category : Technology & Engineering
Languages : en
Pages : 2388

Book Description
Encyclopedia of Human Nutrition, Second Edition is a thorough revision and 20% expansion of the 1998 release, reflecting the continuing scientific advances in the field of human nutrition. Now a four-volume set, nearly 300 articles with concise, up-to-date information are complemented by an award-winning indexing system. Included is expanded coverage of epidemiology of diet-related diseases, functional foods, food safety, clinical nutrition and gastrointestinal disorders. Virtually everyone will find the Encyclopedia of Human Nutrition an easy-to-use resource making it an ideal reference choice for both the professional and the non-professional alike. Also available online via ScienceDirect – featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. FEATURES OF SECOND PRINT EDITION Now a four-volume set with over 250 articles Expanded coverage of epidemiology of diet-related diseases, functional foods, food safety, and gastrointestinal disorders, among other topics ONLINE FEATURES AND FUNCTIONALITIES Browse the whole work by volume, authors or article titles Full and extensive subject index can be searched or browsed online, and takes you directly to the indexed paragraph, section, figure or table Basic and advanced search functionality across the entire work or by specific volume Users can build, save and re-run seraches, as well as combine saved searches Extensive internal cross-referencing and dynamic linking from biliographic references to primary-source material, increasing the scope of your research rapidly and effectively All articles available as full-text HTML files, or as PDF files that can be viewed, downloaded or printed in their original format

Handbook of Food Toxicology

Handbook of Food Toxicology PDF Author: S.S. Deshpande
Publisher: CRC Press
ISBN: 0824743903
Category : Technology & Engineering
Languages : en
Pages : 919

Book Description
From health and economic consequences to exposure assessment and detoxification, this reference comprehensively covers the formation, characteristics, and control of various toxins that occur in the production, storage, handling, and preparation of food. The author discusses toxin sources, mechanisms, routes of exposure and absorption, and their chemical and biochemical components to prevent contamination of food products and reduce epidemics of foodborne disease. The book contains more than 3000 references to facilitate further research, as well as recent guidelines from the FDA and World Health Organization regarding food hygiene and safety.

The 10 Biggest Diet Myths that Ruin Your Health

The 10 Biggest Diet Myths that Ruin Your Health PDF Author: Warren Peary
Publisher:
ISBN: 9780962643408
Category : Health & Fitness
Languages : en
Pages : 366

Book Description
A summary of the medical research on diet, health, and disease prevention.J This volume separates the false diet claims from the science by summarizing the major body of medical research to provide readers a proven means to optimal health and prevention of disease.

Food Processing By-Products and their Utilization

Food Processing By-Products and their Utilization PDF Author: Anil Kumar Anal
Publisher: John Wiley & Sons
ISBN: 1118432886
Category : Technology & Engineering
Languages : en
Pages : 597

Book Description
Food Processing By-Products and their Utilization An in-depth look at the economic and environmental benefits that food companies can achieve—and the challenges and opportunities they may face—by utilizing food processing by-products Food Processing By-Products and their Utilization is the first book dedicated to food processing by-products and their utilization in a broad spectrum. It provides a comprehensive overview on food processing by-products and their utilization as source of novel functional ingredients. It discusses food groups, including cereals, pulses, fruits, vegetables, meat, dairy, marine, sugarcane, winery, and plantation by-products; addresses processing challenges relevant to food by-products; and delivers insight into the current state of art and emerging technologies to extract valuable phytochemicals from food processing by-products. Food Processing By-Products and their Utilization offers in-depth chapter coverage of fruit processing by-products; the application of food by-products in medical and pharmaceutical industries; prebiotics and dietary fibers from food processing by-products; bioactive compounds and their health effects from honey processing industries; advances in milk fractionation for value addition; seafood by-products in applications of biomedicine and cosmeticuals; food industry by-products as nutrient replacements in aquaculture diets and agricultural crops; regulatory and legislative issues for food waste utilization; and much more. The first reference text to bring together essential information on the processing technology and incorporation of by-products into various food applications Concentrates on the challenges and opportunities for utilizing by-products, including many novel and potential uses for the by-products and waste materials generated by food processing Focuses on the nutritional composition and biochemistry of by-products, which are key to establishing their functional health benefits as foods Part of the "IFST Advances in Food Science" series, co-published with the Institute of Food Science and Technology (UK) This bookserves as a comprehensive reference for students, educators, researchers, food processors, and industry personnel looking for up-to-date insight into the field. Additionally, the covered range of techniques for by-product utilization will provide engineers and scientists working in the food industry with a valuable resource for their work.

National Library of Medicine Current Catalog

National Library of Medicine Current Catalog PDF Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 420

Book Description


Seed Proteins

Seed Proteins PDF Author: Peter R. Shewry
Publisher: Springer Science & Business Media
ISBN: 9401144311
Category : Science
Languages : en
Pages : 892

Book Description
Seeds provide more than half of the world's intake of dietary protein and energy and thus are of immense economic, cultural and nutritional importance. Proteins can account for up to 40% of the dry weight of various types of seeds, thereby making a large contribution to the nutritional quality and processing properties of seeds. It is, therefore, not surprising that seed proteins were among the first plant components to be systematically studied, some 250 years ago, and have been a major focus of research over the past 100 years. The properties and behaviour of seed proteins pervade modem life in numerous ways. For example, legume and cereal proteins are used'in the production of a wide range of meat-free foods; the process of bread-making is dep~ndent on the physical chemical properties of wheat seed proteins; and in developed, as well as developing, countries, nutritional deficiencies among vegetarian diets are avoided through balancing legume and cereal seeds as sources of dietary proteins. Understanding seed proteins, in order to improve their composition and properties and to increase their concentrations, will thus continue to be an important research objective for the future. The present volume represents the culmination of a long-discussed plan of the editors, to bring together the best international authorities in order to compile a definitive monograph on biological, biochemical, molecular and genetic aspects of seed proteins.