`
`AKER8771TC00760563
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`JX-0050.OO1
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`NEPN 2004
`
`
`
`CHEMISTRY
`
`seventh edition
`
`Graham Solomons
`
`University
`
`of South Florida
`
`Craig
`PacJk
`
`Lutheran University
`
`Fryhie
`
`Sons Inc
`John Wiley
`New York Chichester Weinheim Brisbane
`
`Singapore
`
`Toronto
`
`AKER8771TC00760564
`
`JX-0050.002
`
`NEPN 2004
`
`
`
`For Judith Allen Graham Jennie Guido and Gory TWGS
`Lauren and Heather CBF
`For Deanna
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`Acquisition
`
`Editor
`
`David Harris
`
`Senior Marketing Manager
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`Charity Robey
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`Senior Production Editor
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`Elizabeth Swain
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`Cover
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`and Text Designer
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`Karin Gerdes Kinchelue
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`Illustration
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`Editor
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`Photo Editor
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`Development
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`Editor
`
`Cover
`
`Photo
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`Edward Starr
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`Lisa Gee
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`Johnna Barb
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`Gerry Elis/ENP Images
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`This book was set
`
`sod printed
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`sod bound
`
`by Progressive Information
`Roman
`in Times
`by Von Hoffmano
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`Press The cover wss printed
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`by Lehigh Press
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`Technologies
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`This book
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`is printed
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`Copyright
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`2000
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`Library of Congress
`
`Solomons
`
`Cataloging-in-Publication
`Graham
`
`Data
`
`Organic chemiatry.7th
`cm
`index
`
`Includes
`
`ed IT
`
`Graham Solomons Craig
`
`Fryhle
`
`ISBN 0-471-19095-0
`
`cloth
`
`alk
`
`paper
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`Chesnistry Organic
`
`Fryhle Craig
`
`IL Title
`
`QD253.565
`547de2l
`
`1998
`
`98-46357
`
`CIP
`
`AKER8771TC00760565
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`JX-0050.003
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`NEPN 2004
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`
`
`1144
`
`Chapter
`
`23
`
`Lipids
`
`ii
`
`CH2OCR
`
`II
`
`CH OC---R
`
`CH2OP OCH2CH2NCH33
`
`II
`
`HO
`
`0-
`
`lecithin
`
`phosphatide
`
`H3C
`
`CH
`
`Cholesterol
`
`steroid
`
`232 FATTY AciDs AND TRIAcYLGLYCEROLS
`
`Only
`
`solvent
`
`origin
`
`consists
`
`the total
`
`that
`
`by extraction
`obtained
`lipid fraction
`of
`small portion
`of long-chain carboxylic acids Most of the carboxylic acids of
`Fig 23.1
`is as triacyiglycerols
`are found as esters of glycerol
`
`with
`
`nonpolar
`
`biological
`
`Figure 23.1
`
`Glycerol
`
`groups
`
`and
`
`are usually
`
`may also contain
`and
`carbon double bonds In
`
`triacyiglycerol
`
`may all be different
`
`triacyiglycerol
`
`The
`
`alkyl groups
`long-chain
`one or more carbon
`and
`
`CH2OCR
`
`IICHOCW
`
`CH2OW
`
`CHaOH
`
`CHOH
`
`CH2OH
`
`Triacylglycerols
`common substances
`
`are the oils of plants
`
`and
`
`as peanut oil
`
`soybean
`
`tallow Triacyiglycerols
`
`that are liquids
`
`the fats of animal origin They include
`lard and
`
`such
`
`oil corn oil sunflower oil butter
`called oils those
`in which
`
`at room temperature
`
`are generally
`
`is mixed
`
`all
`
`three
`
`triacylglycerol
`
`the triacylglycerol
`
`can be simple triacyiglycerolS
`fats Triacylglycerols
`are called
`that are solids
`acyl groups are the same More commonly however
`in which the acyl groups are different
`mixture of fatty acids
`
`Hydrolysis of
`
`fat or oil produces
`
`CH2OCR
`
`CH2OH
`
`ii
`
`RCOH
`
`CHOC-R
`
`II
`
`OW in
`
`1130
`
`heat
`
`CuOH
`
`II
`
`RCOH
`
`CH2O-CW
`
`II
`
`fat or oil
`
`CH2OH
`
`RCOH
`
`Glycerol
`
`Fatty acids
`
`In
`
`the
`
`older
`
`literature
`
`acylgIycerols
`
`were
`
`referred
`
`nomenclature
`
`because
`
`they
`
`are
`
`esters of glycerol
`
`they
`
`or simply
`to as
`triglycerides
`should be named as glyceryl
`
`as glycerides
`
`In
`
`lrialkanoatcs
`
`glYC
`
`trialkenoates
`
`and so on
`
`Mo
`
`two
`
`the
`
`of
`
`b00
`
`first
`
`rem
`
`acid
`
`acic
`
`be
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`AKER8771TC00760566
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`JX-0050.004
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`NEPN 2004
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`II