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. 2020 Jul 13;5(28):17500–17505. doi: 10.1021/acsomega.0c01978

Table 2. Fatty Acids Identified in the Shrimp Oil Obtained from P. longirostris Head and Carapace Waste.

acid (in lipid numbers) retention time (min) abundance (%)
myristic (14:0) 15.29 2.70
13-methylmyristic 16.24 0.43
pentadecanoic (15:0) 17.19 1.16
palmitic (16:0) 19.35 19.44
palmitoleic (16:1) 19.77 0.76
9-hexadecenoic 20.38 5.30
14-methylhexadecanoic 20.87 0.40
7-methyl-6-hexadecenoic 21.33 0.54
margaric (17:0) 21.52 1.26
eptadecenoic (17:1) 22.58 0.64
isostearic (18:0) 22.70 0.54
stearic (18:0) 23.95 5.73
oleic (18:1, n-9) 25.04 15.35
trans-13-octadecenoic (18:1) 25.20 3.78
linoleic (18:2, n-6) 26.72 1.47
cis-10-nonadecenoic (19:1, n-9) 27.55 0.33
linolenic (18:3, n-3) 28.91 1.35
cis-11-eicosenoic (20:1, n-9) 30.01 1.90
γ-linolenic (18:3, n-6) 30.24 1.53
cis-11-14-eicosadienoic (20:2, n-6) 31.89 1.52
arachidonic (20:4, n-6) 34.07 4.35
eicosapentenoic (20:5, n-3) 36.46 10.23
8-11-14-docosatrienoic (22:3, n-8) 40.22 1.82
nervonic (24:1, n-9) 40.48 0.57
docosapentaenoic (22:5, n-3) 41.76 1.09
docosahexaenoic (22:6, n-3) 42.63 15.80
saturated fatty acids 31.3%
unsaturated fatty acids 67.3%
monounsaturated fatty acids 29.6%
polyunsaturated fatty acids 37.7%