Read e-book online Chemical and functional properties of food lipids PDF

By Zdzislaw Z. E. Sikorski, Anna Kolakowska

ISBN-10: 1587161052

ISBN-13: 9781587161056

Based on years of educational and commercial learn by means of a global panel of experts, Chemical, organic, and useful homes of nutrients Lipids, moment Edition presents a concise, but well-documented presentation of the present nation of information on lipids. less than the editorial information of worldwide famous nutrition scientists Zdzisław E. Sikorski and Anna Kołakowska, this thoroughly revised and up to date variation offers 8 completely new chapters.

Originally titled Chemical and practical homes of nutrients Lipids, this variation provides Biological to the name to mirror a miles better emphasis at the organic points of lipids. between a wealth of ongoing and present themes, this crucial resource:

  • Familiarizes readers with the normal chemical nomenclature and houses of a big number of lipids
  • Examines the contents of lipids in vegetation, fish, milk, meat, and eggs
  • Describes advances in equipment of actual, chemical, and biochemical analyses
  • Offers new info on phospholipids, sterols, and fat-soluble supplementations in foods
  • Provides a biochemist’s view of lipid oxidation and antioxidants―crucial for the sensory and nutritive facets of nutrients quality
  • Discusses changed lipids and fats mimetics, in addition to these of detailed organic and physico-chemical task
  • Considers the significance of frying fat, lipid-proteins and lipid-saccharides interactions, and lipid contaminants with regards to meals quality

Chemical, organic, and practical houses of foodstuff Lipids, moment Edition is a perfect reference for either expert and aspiring nutrition scientists in either and academia. It includes the entire beneficial details had to keep an eye on the speed of bad reactions in meals and choose optimal garage and processing parameters for those tender fats.

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Extra resources for Chemical and functional properties of food lipids

Sample text

With the C-17 side-chain forming a seventh site of asymmetry, the theoretical number of stereoisomers increases to 128. However, in practice, the isomeric possibilities are restricted by the overall conformational limitations of the ring system. 6). While the chair conformation is favored, in either case the two hydrogen atoms attached to each carbon take up positions either in the general plane of the ring, termed equatorial (e), or perpendicular to the plane of the ring, termed axial (a). Equatorial or axial positions can be oriented above (β-configuration) or below (α-configuration) the general plane of the ring.

5). 5 for structures. 6 Steroids. (a) The carbon numbering system for steroids using cholesterol (cholest-5-en-3β-ol) as an example. The individual rings of the carbon skeleton are labeled A to D. (b) Representations of the “chair” and “boat” conformations for a six-membered carbon ring illustrating equatorial (He) and axial (Ha) hydrogen atoms. ©2003 CRC Press LLC TX052_book Page 44 Thursday, June 20, 2002 11:27 AM A description of the molecular stereochemistry is also included in both the structural formula and nomenclature.

A term then follows that describes the location of any double bonds in the carbon chain. It is the method of this description that differs between the various notation systems. One nomenclature system describes double bond location with respect to the methyl (ω or n) end of the carbon chain. 4). The second nomenclature system describes the double bond location with respect to the carboxyl (∆) carbon. Here, the location of each double bond is listed in order. Each system is the same with regard to using a series of general prefix and suffix terms to describe additional structural details.

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Chemical and functional properties of food lipids by Zdzislaw Z. E. Sikorski, Anna Kolakowska

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