Table 4 Comparative analysis of fatty acids in river puffer, Takifugu obscurus, tiger puffer, T. rubripes, hybrid river puffer (♀) × tiger puffer (♂) between their parents and hybrid triploid*1
Fatty acid | Initial group*2 | | 3 months after initial measurement*2 |
Riverpuffer | Hybrid | Hybrid triploid | Tiger puffer | Riverpuffer | Hybrid | Hybrid triploid | Tiger puffer |
C10:0 | 0 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 |
C12:0 | 0 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 |
C14:0 | 02.8±0.35a | 03.8±0.35b | 3.8±0.47b | 3.1±0.32a | 01.7±0.25a | 02.6±0.38b | 2.8±0.18b | 2.1±0.12a |
C16:0 | 21.2±0.47c | 17.1±0.63a | 20.7±0.62c | 18.6±0.23b | 19.8±0.67b | 17.8±0.60a | 18.3±0.65a | 16.6±0.83a |
C18:0 | 06.3±0.36b | 06.8±0.32b | 6.5±0.25b | 5.9±0.15a | 05.8±0.19a | 06.5±0.08b | 5.4±0.25a | 5.6±0.14a |
C20:0 | 00.5±0.26b | 00.7±0.21b | 1.2±0.21c | 00.1±0.01a | 00.1±0.01a | 00.7±0.01b | 0.6±0.12b | 00.1±0.01a |
C22:0 | 00.9±0.41b | 01.1±0.31b | 0 | 0.1±0.01a | 00.3±0.11a | 00 | 0.4±0.09a | 0.2±0.01a |
C24:0 | 00.5±0.02a | 00.6±0.03a | 0.7±0.13b | 0.8±0.11b | 00.5±0.08b | 00.7±0.11c | 0.2±0.10a | 0.8±0.22c |
Saturates*3 | 31.3±1.96b | 30.8±1.83b | 31.7±1.05b | 26.3±1.84a | 27.9±1.12b | 26.2±1.58b | 25.9±1.33b | 23.3±1.21a |
C12:1n | 0 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 |
C14:1n-9 | 0 0 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 |
C16:1n-7 | 08.4±0.25c | 06.9±0.17a | 7.7±0.33b | 7.1±0.02a | 07.4±0.75b | 06.5±0.47a | 6.5±0.14a | 6.7±0.22a |
C18:1n-7 | 15.2±0.35c | 10.3±0.22a | 15.5±0.18c | 13.1±0.02b | 14.7±0.75b | 12.6±0.75a | 12.9±0.16a | 13.1±0.22a |
C18:1n-9 | 11.1±0.07a | 15.8±0.31b | 15.4±0.31b | 11.6±0.03a | 12.6±0.07a | 12.8±0.75a | 15.9±0.68b | 13.8±0.03a |
C20:1n-9 | 03.3±0.03b | 03.4±0.35b | 2.3±0.11a | 01.9±0.45a | 02.3±0.06b | 01.8±0.10a | 2.6±0.22b | 002.5±0.05b |
C22:1n-9 | 00.2±0.04a | 00.8±0.12b | 0.2±0.09a | 0.6±0.02b | 00.1±0.08a | 00.17±0.09a | 0 | 0.1±0.02a |
C24:1n-9 | 00.2±0.06a | 00.3±0.04a | 0 | 0.3±0.01a | 00.3±0.01a | 0 | 0.3±0.01a | 0.3±0.01a |
Monoenes*4 | 37.9±0.73b | 36.3±0.92a | 40.7±0.88c | 35.3±0.69a | 36.9±1.51b | 32.4±1.71a | 38.0±1.17b | 31.7±1.44a |
C18:2n-6 | 09.1±0.88c | 07.8±0.18b | 5.0±0.27a | 04.5±0.54a | 11.1±1.04c | 08.3±0.33a | 09.3±0.30b | 15.3±1.54d |
C18:3n-6 | 04.7±0.54c | 02.3±0.26a | 3.2±0.01b | 03.6±0.25b | 04.7±0.54d | 02.2±0.15a | 2.1±0.01b | 03.6±0.36c |
C20:2n-6 | 00.4±0.05c | 00.2±0.01b | 0.3±0.01b | 0.1±0.02a | 00.4±0.15b | 00.9±0.11c | 0.6±0.01b | 0.1±0.02a |
C20:3n-6 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
C20:4n-6 | 00.3±0.06a | 00.5±0.12b | 0.3±0.02a | 0.9±0.15c | 00.3±0.04a | 00.7±0.21b | 0.6±0.01b | 0.5±0.14b |
C22:2n-6 | 00.5±0.15b | 00 | 0.2±0.04a | 0.8±0.22c | 00.5±0.18b | 00.1±0.12a | 0.1±0.07a | 0.7±0.21b |
C22:4n-6 | 0 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total n-6*5 | 13.4±1.28c | 09.8±0.47b | 08.7±0.16a | 8.3±0.74a | 16.1±1.48b | 11.7±0.29a | 11.4±0.54a | 18.3±1.74b |
C18:3n-3 | 00.7±0.14b | 00.2±0.04a | 0.3±0.11a | 00.6±0.06b | 00.7±0.12b | 00.1±0.01a | 0.5±0.10b | 00.6±0.18b |
C20:3n-3 | 00.4±0.05b | 00.2±0.06a | 0 | 0.1±0.02a | 00.4±0.11b | 00.1±0.06a | 0.4±0.02b | 0.1±0.02a |
C20:5n-3 | 03.1±0.17b | 03.8±0.11c | 2.2±0.02a | 03.6±0.13c | 02.3±0.20a | 02.1±0.15a | 2.6±0.01b | 02.7±0.12b |
C22:5n-3 | 04.3±0.31c | 03.9±0.11b | 2.7±0.01a | 2.9±0.15a | 03.4±0.26b | 02.4±0.02a | 2.4±0.13a | 2.2±0.19a |
C22:6n-3 | 02.5±0.38a | 06.4±0.42d | 5.1±0.47c | 3.8±0.92b | 02.5±0.38a | 4.5±0.43b | 4.7±0.64b | 3.8±0.40b |
Total n-3*6 | 09.6±0.76a | 14.4±0.81b | 9.9±0.41a | 10.5±1.71a | 08.7±0.82a | 9.1±0.58a | 9.8±0.62a | 9.6±1.71a |
*1 The values are means ± SD (n=100) of triplicate groups. Values in the same column not sharing common superscripts are signifi cantly different among ploidy and season (P<0.05).
*2 All parameters of each group were measured in March to July, 2016, respectively.
*3 Total saturated fatty acids, *4 Total monounsaturated fatty acids.
*5 Total n-6 polyunsaturated fatty acids.
*6 Total n-3 polyunsaturated fatty acids.