Using the table of fatty acids, draw the SKELETAL structure of an unsaturated triglyceride.

Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter18: Lipids
Section: Chapter Questions
Problem 18.16E: The percentage of fatty acid composition of two triglycerides is reported below. Predict which...
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Using the table of fatty acids, draw the SKELETAL structure of an unsaturated triglyceride.
Some Fatty Acids that are Frequently Encountered in Biological Systems
Number of
Carbon-Carbon
Number of
Carbons
12
14
16
16
18
18
18
18
●
Double Bonds
0
0
0
1
0
1
2
3
Common Name
lauric acid
myristic acid
palmitic acid
palmitoleic acid
stearic acid
oleic acid
linoleic acid
linolenic acid
Condensed Structure
CH3(CH2)10COOH
CH3(CH2) 12COOH
CH3(CH2) 14COOH
CH3(CH2)5CH=CH(CH2)7COOH
CH3(CH2)16COOH
CH3(CH₂)7CH=CH(CH₂)7COOH
CH3(CH2)4(CH=CHCH2)2(CH₂)6COOH
CH3CH₂(CH=CHCH2)3(CH2)6COOH
Major Source
coconut
nutmeg
palm
macadamia, animals
animal fat
olives
safflower, soy
flax, corn
HINT:
Saturated triglyceride molecules do not contain carbon-carbon double bonds.
Unsaturated triglyceride molecules contain one or more carbon-carbon double bonds.
Transcribed Image Text:Using the table of fatty acids, draw the SKELETAL structure of an unsaturated triglyceride. Some Fatty Acids that are Frequently Encountered in Biological Systems Number of Carbon-Carbon Number of Carbons 12 14 16 16 18 18 18 18 ● Double Bonds 0 0 0 1 0 1 2 3 Common Name lauric acid myristic acid palmitic acid palmitoleic acid stearic acid oleic acid linoleic acid linolenic acid Condensed Structure CH3(CH2)10COOH CH3(CH2) 12COOH CH3(CH2) 14COOH CH3(CH2)5CH=CH(CH2)7COOH CH3(CH2)16COOH CH3(CH₂)7CH=CH(CH₂)7COOH CH3(CH2)4(CH=CHCH2)2(CH₂)6COOH CH3CH₂(CH=CHCH2)3(CH2)6COOH Major Source coconut nutmeg palm macadamia, animals animal fat olives safflower, soy flax, corn HINT: Saturated triglyceride molecules do not contain carbon-carbon double bonds. Unsaturated triglyceride molecules contain one or more carbon-carbon double bonds.
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