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. 2021 May 27;19(6):310. doi: 10.3390/md19060310

Table 3.

Fatty acid composition in mg/100 g d.w. of 15 microalgae powders.

Fatty Acids AP CP CV DS TC AFA HP
1 2 3 4 5 ◊ 1 2 3 ◊ 1 2 ◊ 1 2 ◊ 1 1 1
SFAs
C12:0 4.11 6.69 0.46 3.12 4.46 a 1.59 1.08 1.56 a 1.42 2.36 a 8.73 7.65 b 2.49 4.40 0.49
C14:0 65.6 15.7 6.97 14.5 24.2 a 25.3 21.3 25.6 a 21.0 23.4 a 15.8 15.6 a 22.9 275 5.95
C16:0 1278 1895 2076 1790 1809 a 857 1467 1195 ab 813 942 b 776 802 b 1486 1662 177
C18:0 435 97.0 44.8 249 388 ab 288 53.1 855 ab 273 160 a 453 486 b 40.6 75.5 37.6
C20:0 6.55 2.87 2.10 4.69 7.59 a 6.18 2.50 25.0 a 5.46 7.36 a 7.71 9.43 a 2.93 1.51 1.67
C22:0 2.09 0.65 <LOQ 0.73 2.44 a 1.50 3.56 13.9 ab 1.53 5.57 a 8.73 12.9 b <LOQ <LOQ 0.65
C24:0 9.57 <LOQ <LOQ 1.08 4.42 ab 6.61 14.0 35.7 a 5.62 6.59 a 2.54 4.96 b 2.03 <LOQ 1.28
MUFAs
C14:1n5 0.96 0.18 0.41 0.53 0.59 a 0.59 1.09 <LOQ a <LOQ 0.80 a <LOQ <LOQ a <LOQ 17.4 0.28
C16:1n7 146 146 152 110 129 a 45.4 33.3 31.5 b 40.3 115 ab 1.86 2.68 c 42.5 122 29.5
C17:1n7 3.90 1.20 7.99 1.96 4.71 a 14.9 35.3 9.85 b 18.2 7.01 ab 0.51 0.55 c 2.97 7.56 3.36
C18:1n9 134 190 115 136 175 a 137.7 547 3430 ab 158 179 a 777 797 b 1844 136 37.8
C18:1n7 31.5 20.8 16.0 23.6 <LOQ ac 47.5 90.8 26.9 ab 50.5 92.1 b 13.9 14.3 c 173 22.7 24.7
C20:1n9 8.07 <LOQ <LOQ 0.86 4.13 a 3.06 14.06 8.86 a 3.88 2.79 a 3.64 3.94 a 165 0.76 0.63
C22:1n9 5.22 1.49 <LOQ <LOQ 1.81 a <LOQ <LOQ <LOQ a <LOQ <LOQ a <LOQ <LOQ a <LOQ <LOQ <LOQ
n6—PUFAs
C18:2n6 635 1392 942 896 1489 a 2592 1971 2184 b 3143 2196 b 895 739 a 482 217 512
C18:3n6 699 628 781 489 915 a 1.85 18.3 <LOQ b <LOQ 2.53 b 0.67 0.30 b 44.6 <LOQ 8.33
C20:2n6 12.8 6.59 4.13 5.17 15.2 a 9.17 3.12 5.85 a 9.12 5.70 a 0.17 <LOQ b 4.20 0.78 1.22
C20:3n6 59.5 12.0 5.99 6.45 20.4 a <LOQ <LOQ <LOQ b <LOQ <LOQ b <LOQ <LOQ b 3.50 <LOQ <LOQ
C20:4n6 37.5 6.08 1.98 3.00 19.2 a <LOQ <LOQ <LOQ b <LOQ 1.19 b <LOQ <LOQ b 44.4 2.45 0.29
C22:5n6 2.46 0.43 <LOQ 0.74 6.51 a <LOQ <LOQ 1.61 a <LOQ <LOQ a <LOQ <LOQ a <LOQ <LOQ <LOQ
n-3 PUFAs
C18:3n3 2.23 1.54 4.61 3.28 4.02 a 1247 868 35.5 b 624 1299 b 1.28 1.40 a 972 880 326
C20:5n3 2.52 0.60 4.31 1.40 9.30 a 7.14 8.85 3.55 a 5.95 4.61 a 4.39 6.94 a 406 6.74 1.12
C22:6n3 0.54 <LOQ 0.47 <LOQ 2.54 a <LOQ <LOQ <LOQ a <LOQ <LOQ a <LOQ <LOQ a <LOQ <LOQ <LOQ
Sum
SFAs 1801 2018 2130 2063 2240 a 1186 1563 2152 a 1121 1147 a 1273 1339 a 1557 2018 225
MUFAs 330 360 292 273 315 a 249 721 3507 ab 271 397 a 797 819 b 2228 306 96.2
PUFAs 1451 2047 1744 1405 2482 a 3857 2869 2230 ab 3782 3510 b 901 748 c 1956 1107 849
Others 739 305 624 409 544 a 3327 2557 191 ab 3516 3326 b 79.1 94.5 c 2300 960 880
n6 1445 2045 1735 1400 2466 a 2603 1992 2191 a 3152 2206 a 895 740 b 578 220 522
n3 5.29 2.14 9.39 4.69 15.9 a 1254 877 39.1 b 630 1304 b 5.67 8.34 a 1378 887 327
n6/n3 273 956 185 299 155 a 2.08 2.27 56.1 b 5.01 1.69 b 158 88.7 a 0.42 0.25 1.59

AFA, Aphanizomenon flos-aquae; AP, Arthrospira platensis; CP, Chlorella pyrenoidosa; CV, Chlorella vulgaris; DS, Dunaliella salina; HP, Haematococcus pluvialis; LOQ, limit of quantification; MUFAs, monounsaturated fatty acids; PUFAs, polyunsaturated fatty acids; SFAs, saturated fatty acids; TC, Tetraselmis chuii; LOQ < 0.1 mg/100 g d.w.; ◊ different letters indicate significant differences between the microalgae species (p < 0.05; n > 1).