144 DAIRY CHEMISTRY AND BIOCHEMISTRY
HHH
I H O\\
C-N-C-R
HO-C-C=C-(CH2)12CH3
I
H2C-0-glucose-galactose-N-acetylgalactosamine
I
N-acetylneuraminic acid
A ganglioside
HH
H~C -0 - c = C- R'
I0
HC-OpC-OR2 I
H2C- 0 - P%OCHZCH~;(CH~)~
I
0-
R' and R2 = are long chain alkyl groups derived from a fatty alcohol or fatty acid, respectively.
A plasmalogen
Appendix 3C Structures of cholesterol, 7-dehydrocholesterol and a
cholesteryl ester
Cholesterol
HO
7-Dehydrocholesterol