Table T16. Identities of ketone components labeled with codes in Figure F33.
Peak
Code
Identification
A -T, -T - and -tocopherol
B U Unknown
C C27S 5(H)-cholestan-3-one
D C27H 22,29,30-trisnor-17(H)-hopan-21-one
E -T -tocopherol
F C27S 5(H)-cholestan-3-one
G C2822S 24-methylcholest-22-en-3-one
H ME C28S 4-methyl-5(H)-cholestan-3-one
I C274S Cholest-4-en-3-one
J C28S 24-methyl-5(H)-cholestan-3-one
K C284,22S 24-methylcholesta-4,22-dien-3-one
L C2922S 24-ethylcholest-22-en-3-one
M C29S 24-ethyl-5(H)-cholestan-3-one
N ME C29S 4,24-dimethyl-5(H)-cholestan-3-one
O ME C3022S + C284S 4,23,24-trimethylcholest-22-en-3-one + 24-methylcholest-4-en-3-one
P C29S 24-ethyl-5(H)-cholestan-3-one
Q C294,22S 24-ethylcholest-4,22-dien-3-one
R ME C30ETS 4-methyl-24-ethyl-5(H)-cholestan-3-one
S C294S 24-ethylcholest-4-en-3-one
T C30T + ME C3122S C30 triterpenone + 4,23-dimethyl-24-ethylcholest-22-en-3-one
U C30ßßH 17(H),21(H)-hopanone
V ME C32H OME Methyl, methyl-17(H),21(H)-homohopanyl ether
W C275SE Alkylcholest-5-enyl ether
X C28SE Alkyl-24-methylcholestadienyl ether
Y C27SE Alkylcholest-5-enyl ether
Z C29SE Alkyl-24-ethylcholestadienyl ether
a ME C34H Methyl-17(H),21(H)-trishomohopan-32-one
b C33H 17(H),21(H)-trishomohopan-32-one
c C29SE Alkyl-23,24-dimethylcholest-22-enyl ether
d C37:2ME Heptaconta-15,22-dien-2-one
e 9-C29SE Nonyl-24-ethylcholestenyl ether
f ME C35H Methyl-17(H),21(H)-tetrakishomohopan-33-one
g C34H 17(H),21(H)-tetrakishomohopan-33-one
h C38:2ET Octaconta-16,23-dien-3-one
i ME C35H Methyl-17(H),21(H)-tetrakishomohopan-34-one
j C35H 17(H),21(H)-tetrakishomohopan-34-one
k C39:2ME Nonacontadien-2-one