New PDF release: Elementary Food Science

By Ernest R. Vieira

ISBN-10: 0834216574

ISBN-13: 9780834216570

An Aspen nutrition technological know-how textual content sequence ebook. Following the good fortune of the former versions, this well known introductory textual content keeps to supply thorough, updated info masking a extensive diversity of issues in nutrients technology, with emphasis on meals processing and dealing with and the method of particular meals. providing a large number of easy-to-understand figures, tables, illustrated recommendations and techniques, this article continues the strengths of the former variation whereas including new info. The ebook opens with a revised bankruptcy on what nutrition technological know-how really is, detailing the development of foodstuff technology from starting to destiny. Succeeding chapters comprise the newest info on meals chemistry and nutritional thoughts, meals borne illnesses and microbial task. an entire revision of HACCP is defined, followed via various examples of move charts and purposes, in addition to significant additions on nutrition labeling. large updates were made on processing equipment and dealing with of meals, similar to new techniques on: sweet making; espresso and tea construction; beer and wine creation; tender beverages; extremely hot temperature processing; aseptic packaging; aquaculture and surimi; and UHT and low temperature pasteurization of milk. moreover, there's a thoroughly new part which include defense and sanitation besides as laboratory workouts in sensory, microbiological, chemical caliber try out, and processing tools for quite a few the meals defined in past chapters.

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Extra resources for Elementary Food Science

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This pectin is used in the low-calorie fruit spreads. Gums, because of their ability to give highly viscous solutions at relatively low concentrations, are chosen as gelling, stabilizing, and suspending agents. Gums all have hydrophilie properties and are therefore included in the water-soluble fibers. They can be obtained from several sources including exudate gums (gum arabic), bean gums (locust bean gum), seed gums (guar gum), and seaweed gums (agar, algin, and carrageenan). They are used in many foods such as candies and other confections, fruit sauces, syrups, toppings, spreads, baked goods, salad dressings, and beverages.

CH 11 11 HQOC (CH 2 )? CH CH (CH 2)? 8. Oleic acid in the cis and trans configurations. When oils are hardened, as in the production of hard cooking oils and margarines, the melting point is obviously raised, making it easier to transport the oils or to spread them on foods. The hardening process is described in Chapter 22. Unsaturated fatty acids, because of their points of unsaturation, can exist in different configurations or forms. In nature, most occur in the cis-form (Fig. 8) but when the oils are hydrogenated or hardened, as in some margarines, a change occurs in the configurations of some of the unsaturated fatty acids that remain.

It has been shown that exceedingly high doses of the vitamin taken for extended periods of time can cause some problems. Infants born to mothers who have been on high doses of the vitamin for a long time have been born with a dependence on the higher doses. A deficiency ofthe vitamin causes scurvy (spongy, bleeding gums, loss ofteeth, swollen joints), fragile capillarywalls, and impaired healing ofwounds. Excellent sources ofthe vitamin are orange juice, tomato juice, green peppers, broccoli, cabbage, and brussels sprouts.

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Elementary Food Science by Ernest R. Vieira


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