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. 2020 Oct 19;6(10):e05263. doi: 10.1016/j.heliyon.2020.e05263

Table 5.

Metabolites identification from MCEs-CHL, HEX, MET and ETH by using LC-ESI-MS negative ionization mode [M-H(-)] (The symbol “+” indicates “Present”, and “ND “indicates “Not detected”).

Compounds
CHL
 HEX
 MET
 ETH
tR m/z N. oculata T. suecica Chlorella sp. N. oculata T. suecica Chlorella sp. N. oculata T. suecica Chlorella sp. N. oculata T. suecica Chlorella sp.
1. Fatty acid
Arachidoyl dodecanoate 29.26 479.48 + ND ND + ND + ND ND ND ND ND ND
(+)-24-methyl-hexacosanoic acid 18.29 410.40 + ND ND + ND + ND ND ND ND ND ND
Stearidonoyl-CoA 1.39 544.94 ND ND ND ND ND ND ND + + ND ND +
Octadecanoic acid trichloroethyl ester 28.58 414.18 + + + + + + ND ND ND ND ND ND
Octadecanoic acid trichloroethyl ester isomer
 32.08
 414.18
 ND
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
 +
2. Sterol lipids
4 α-hydroxymethyl-5 α-Cholesta-8,24-dien-3β-ol 26.75 414.66 + + + + + + ND ND ND ND ND ND
4,4-dimethyl-5 α-cholest-7-en-3β-ol 31.46 413.37 ND ND ND + + + ND ND ND ND ND ND
Lanosterol 29.40 425.38 + + ND + + + ND ND + + ND ND
Fucosterol 2.11 412.65 ND ND ND ND ND ND ND ND ND + + ND
Campestanol 20.62 402.38 ND ND + ND + + ND ND ND ND ND ND
Campestanol isomer
 20.93
 402.38
 ND
 ND
 +
 ND
 +
 +
 ND
 ND
 ND
 ND
 ND
 ND
3. Glycerolipid
PE (6:0/6:0) 10.11 411.19 + + + + + + ND ND ND ND ND ND
PA (P-20:0/17:2(9Z,12Z)) 12.89 698.52 ND ND ND ND ND ND + + + + + +
TG (12:0/12:0/14:1(9Z))[iso3] 17.03 664.56 + ND ND + ND ND + + + + + +
PE (14:0/16:1(9Z)) 11.32 661.47 ND ND ND ND ND ND + + + + ND +
DG (18:1(9Z)/18:2(9Z,12Z)/0:0)[iso2]
 17.84
 618.52
 +
 ND
 ND
 ND
 ND
 +
 ND
 ND
 ND
 ND
 ND
 ND
4. Triterpenoids
4 α-formyl-4β-methyl-5 α-Cholesta-8,24-dien-3β-ol 31.76 425.34 ND ND ND + + + ND ND ND ND ND ND
Obtusifoliol 28.64 425.38 + + ND + + + ND ND ND ND ND ND
Squalene 27.73 410.39 + + ND + ND ND ND ND ND ND ND ND
5. Carotenoids
Apo-4′-lycopenoate 23.86 461.32 + + + + + + ND ND ND + + +
Apo-8′-lycopenal 26.72 416.30 + + + + + + ND ND ND ND ND ND
All-trans-β-carotene 1.4 536.87 ND ND + ND + ND ND + + ND + ND
15,15′-dihydroxy-β-carotene 27.82 569.44 + + + + + + + + + + + +
15,15′-dihydroxy-β-carotene isomer 28.66 569.44 + + + + + + + + + + + +
β-carotene 15,15′ epoxide 31.63 552.88 ND ND + + ND + ND ND + ND ND +
Neoxanthin
 16.59
 600.88
 ND
 ND
 ND
 ND
 +
 ND
 ND
 ND
 ND
 ND
 ND
 ND
6. Chlorophyll
Protoporphyrin IX 11.22 561.25 ND ND ND ND ND ND ND ND ND + + +
Protoporphyrin IX isomer 18.44 561.25 ND ND ND ND ND ND + + + ND ND +
Coproporphyrinogen I 15.8 659.31 + ND + ND ND ND ND ND ND + ND ND
Coproporphyrinogen I isomer
 24.8
 659.31
 +
 ND
 +
 ND
 ND
 ND
 ND
 ND
 ND
 +
 +
 +
7. Fatty amides
N-palmitoyl phenylalanine 11.08 403.31 + + + ND ND ND ND ND ND ND ND ND
N-palmitoyl phenylalanine isomer 15.81 403.31 + + + ND ND ND ND ND ND ND ND ND
All trans-retinyl palmitate 23.38 523.45 + ND ND + ND ND ND ND + + ND ND
All trans-retinyl palmitate isomer 24.66 523.45 ND + ND + ND ND ND ND ND ND ND ND
N-oleoyl glutamine 13.68 410.31 + + + + + + + + + + + +
N-oleoyl glutamine isomer
 27.76
 410.31
 +
 +
 +
 +
 ND
 ND
 ND
 ND
 ND
 ND
 ND
 ND
8. Amino acid
Geranylgeranylcysteine 1.64 407.24 + + + + + + + + + + + +
Geranylgeranylcysteine isomer
 1.92
 407.24
 +
 +
 +
 ND
 +
 ND
 +
 +
 +
 +
 +
 +
9. Vitamins
Phylloquinone 1.59 450.77 + + + + + ND ND ND ND ND ND +
Thiamin triphosphate 14.45 504.25 + + + ND ND ND ND ND ND ND ND ND
Ascorbyl Palmitate 32.24 414.26 + + + + + + ND ND ND ND ND ND
Ascorbyl Palmitate isomer
 33.13
 414.26
 +
 +
 +
 +
 +
 +
 ND
 ND
 ND
 ND
 ND
 ND
10. Others
Gancaonin Q 15.11 406.17 + ND ND ND + + ND ND ND ND ND +
Gancaonin Q isomer 15.32 406.17 ND ND + + + + ND + ND + + +
Paratocarpin E 15.27 408.21 + + + ND ND ND ND ND ND ND ND ND
2-methoxy-6-(all-trans-heptaprenyl) phenol 25.78 599.48 + + + ND ND ND + + + + + +
2-methoxy-6 (all-trans-heptaprenyl) phenol isomer 26.61 599.48 + + + ND ND ND + ND + + ND +
UDP- α-D-glucose 23.12 566.30 ND ND ND ND ND ND ND + + + ND +
D-glucosyl-sphingosine 18.48 461.65 + + + ND ND ND ND ND ND ND ND ND
D-glucosyl-sphingosine isomer 20.71 461.65 + ND ND ND ND ND ND ND ND ND ND ND
8-oxo-dGDP 10.76 443.21 + + + ND ND ND + ND + + + +
8-oxo-dADP 10.98 424.18 + + + ND ND ND + + + + + +
2-(α-hydroxyethyl) thiamine diphosphate 10.43 468.06 + + + ND ND ND ND ND ND ND ND ND
2-(α-hydroxyethyl) thiamine diphosphate isomer 26.81 468.06 + ND ND ND ND ND ND ND ND ND ND ND
Geranylgeranyl diphosphate 22.90 450.45 + ND + + + + ND ND + + ND ND
Geranylgeranyl diphosphate isomer 32.93 450.45 + + + + ND ND + ND + ND ND +
Didecyl phthalate 1.81 446.73 ND ND ND ND ND ND ND ND ND ND + ND
Leukotriene-D4 17.31 496.66 ND ND ND + ND ND ND ND ND + + ND
Leukotriene-C4 19.94 625.30 ND + ND ND ND ND + + + + + +
Leukotriene-C4 isomer 20.41 625.30 ND ND + ND ND ND + + + + + +
Hexatriacontane 32.68 506.98 ND ND ND ND ND ND ND + ND ND ND ND
Hexatriacontane isomer 33.14 506.98 ND ND ND ND ND ND ND + ND + ND ND
Heptasiloxane, hexadecamethyl- 12.05 533.07 + ND + ND ND ND + + + + + ND
Unknown 15.37 435.27 + + + + + + + + + + + +