Table T4. Nomenclature, concentrations and accumulation rates of compounds identified in organic solvent extract Fraction 4 (see Fig. F5) of (A) Sample 175-1084A-1H-1, 95-97 cm, and (B) Sample 175-1084A-63X-3, 72-75 cm.
Peak* | Compound |
Concentration (ng/g) |
Concentration (ng/mg Corg) |
MAR (µg/cm2/k.y.) |
|||||
---|---|---|---|---|---|---|---|---|---|
A
|
B
|
A
|
B
|
A
|
B
|
||||
1 | n-C14 alkanoic acid | — | 304 | — | 8.0 | — | 3.6 | ||
2 | n-C15 alkanoic acid | 1,615 | 983 | 18.6 | 25.9 | 33.9 | 11.5 | ||
3 | n-C16 alkanoic acid | 3,087 | 1,083 | 35.5 | 28.5 | 64.9 | 12.7 | ||
4 | n-C18 alcohol | 1,109 | 264 | 12.7 | 7.0 | 23.3 | 3.1 | ||
5 | Phytol | 831 | — | 9.6 | — | 17.5 | — | ||
6 | n-C18:1 alkenoic acid | 799 | 229 | 9.2 | 6.0 | 16.8 | 2.7 | ||
7 | n-C18 alkanoic acid | 2,106 | 211 | 24.2 | 5.6 | 44.3 | 2.5 | ||
8 | n-C22 alcohol | 1,284 | — | 14.8 | — | 27.0 | — | ||
9 | n-C22 alkanoic acid | 2,585 | 301 | 29.7 | 7.9 | 54.3 | 3.5 | ||
10 | n-C24 alkanoic acid | 9,124 | 209 | 104.9 | 5.5 | 191.8 | 2.5 | ||
11 | n-C22 hydroxy n- alkanoic acid methyl ester? | — | 399 | — | 10.5 | — | 4.7 | ||
12 | n-C26 alcohol | 3,020 | — | 34.7 | — | 63.5 | — | ||
13 | n-C26 alkanoic acid | 16,330 | 163 | 187.7 | 4.3 | 343.2 | 1.9 | ||
14 | Cholest-5-en-3ß-ol | 4,032 | 667 | 46.3 | 17.5 | 84.8 | 7.8 | ||
15 | 5-cholestan-3ß-ol | 802 | 105 | 9.2 | 2.8 | 16.9 | 1.2 | ||
16 | 24-methylcholesta-5,22-dien-3ß-ol | 2,935 | 268 | 33.7 | 7.0 | 61.7 | 3.1 | ||
17 | 24-methyl-5_-cholest-22-dien-3ß-ol | 1,005 | 70 | 11.6 | 1.9 | 21.1 | 0.8 | ||
18 | n-C28 alkanoic acid | 7,376 | 229 | 84.8 | 6.0 | 155.0 | 2.7 | ||
19 | 24-methylcholestan-3ß-ol | 2,267 | 148 | 26.1 | 3.9 | 47.6 | 1.7 | ||
20 | 23,24-dimethylcholest-22-en-3ß-ol | 1,236 | 268 | 14.2 | 7.1 | 26.0 | 3.1 | ||
21 | 24-ethylcholesta-22-en-3ß-ol | 5,003 | — | 57.5 | — | 105.2 | — | ||
22 | 23,24-dimethylcholestan-3ß-ol | 5,145 | 148 | 59.1 | 3.9 | 108.1 | 1.7 | ||
23 | 24-ethylcholestan-3ß-ol | 4,709 | 120 | 54.1 | 3.2 | 99.0 | 1.4 | ||
24 | 4,23,24-trimethyl-5_-cholest-22-en-3ß-ol | 4,416 | 155 | 50.8 | 4.1 | 92.8 | 1.8 | ||
25 | n-C30 alkanoic acid | 2,984 | 99 | 34.3 | 2.6 | 62.7 | 1.2 | ||
26 | 4,23,24-trimethyl-5_-cholest-8(14)-en-3ß-ol | 7,454 | 101 | 85.7 | 2.6 | 156.7 | 1.2 | ||
27 | C30 alkan-15-one-1-ol | 19,000 | 123 | 218.4 | 3.2 | 399.4 | 1.4 | ||
28 | Unknown | 3,487 | 1,273 | 40.1 | 33.5 | 73.3 | 14.9 | ||
29 | Unknown | 2,972 | 164 | 34.2 | 4.3 | 62.5 | 1.9 | ||
30 | C32:1 alken-15-one-1-ol | 2,502 | — | 28.8 | — | 52.6 | — | ||
31 | C32 alkan-15-one-1-ol | 7,234 | — | 83.1 | — | 152.1 | — | ||
32 | C32 ßß hopanol | 2,157 | — | 24.8 | — | 45.3 | — |
Note: * = peak assignments refer to gas chromatograms in Figure F5. — = not detected.