Download Carbohydrates in Food, Second Edition (Food Science and by Ann-Charlotte Eliasson PDF

By Ann-Charlotte Eliasson

Carrying on with within the culture of its well-received predecessor, Carbohydrates in nutrition, moment version presents thorough and authoritative assurance of the chemical research, constitution, practical homes, and dietary relevance of monosaccharides, disaccharides, and polysaccharides utilized in foodstuff. The ebook combines the newest facts at the analytical, physico-chemical, and dietary homes of carbohydrates, providing a complete and available unmarried resource of knowledge. It evaluates the benefits and drawbacks of utilizing a variety of analytical tools, offers dialogue of correct physico-chemical subject matters that relate to using carbohydrates in meals that let familiarity with very important sensible elements of carbohydrates; and contains info on proper dietary issues with regards to using carbohydrates in nutrition. Carbohydrates in meals, moment version is a vital source for a person operating with carbohydrates in foodstuff since it offers crucial info at the chemical research and physico-chemical homes of carbohydrates and likewise illustrates how they are often utilized in product improvement to extend the future health advantages for the public.  This re-creation contains: up to date info on dietary facets of mono- and disaccharides Analytical and practical facets of gums/hydrocolloids dietary facets of plant mobile wall polysaccharides, gums, and hydrocolloids Analytical, physicochemical, and sensible features of starch Revised and multiplied reference lists

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Self- 34 Carbohydrates in Food packed columns are often used, and after a sample extract is eluted the resin can be cleaned and regenerated. Both cation- and anion-exchange resins can be used. In a typical case, an aqueous extract might be passed through 5-cm3 AG 50W-X8 cation-exchange resin (Bio-Rad Laboratories) or 5-cm3 AGI-S4 anion-exchange resin (Bio-Rad Laboratories). Disposable cartridges are also available. Silica-based ion exchangers are a less expensive alternative to resins. Both weak anion-exchange and weak cation-exchange forms are available based on sulfonic acid and quaternary ammonium salt derivatives, respectively.

Technol. , 27, 455, 1978. 23. , Gas–liquid chromatographic test for honey adulteration by high-fructose corn syrup, J. Assoc. Off. , 654, 588, 1982. 24. , Gas–liquid chromatographic determination of fructose, glucose and sucrose in cane sugar products, Int. , 84, 68, 1982. 25. R,. , Gas chromatographic determination of sorbitol, mannitol and xylitol in chewing gum and sorbitol in mints, J. Assoc. Off. , 65, 588, 1982. 26. , Determination of sugars in yogurt by gas–liquid chromatography, J. Agric.

2 Determination of Mono- and Disaccharides as Oxime-TMS Ethers This method is very similar in procedure to that described for TMS ethers above, except for the following steps (direct derivatization of water-containing samples is not applicable): 1. Take a sample aliquot ideally equivalent to at least 5 mg saccharides for capillary column analysis (or 50 mg for packed columns), and remove water by vacuum drying. 2. 0 ml) containing hydroxylamine hydrochloride (925 mg/ml) and phenyl-β-D-glucopyranoside (1 to 5 mg/ml) as the internal standard.

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