Aquaculture Nutrition

Research Article

Comparative Study on Growth Index and Nutritional Quality of Female Chinese Mitten Crab Eriocheir sinensis Selected at Different Growth Periods in Rice-Crab Culture Systems

Table 8

Fatty acid composition of female E. sinensis hepatopancreas in rice-crab coculture system at different developmental periods (% dry weight).


Fatty acid composition	Group
Fatty acid composition	D0	D15	D31	D46	D62

12:0	^a	^a	^b	^ab	^a
13:0	^ab	^a	^b	^b	^b
14:0	^b	^a	^c	^c	^c
15:0	^a	^a	^b	^b	^b
16:0	^a	^b	^c	^c	^c
17:0	^ab	^a	^b	^a	^ab
18:0	^a	^a	^b	^b	^b
20:0	^b	^a	^c	^c	^c
21:0	—	—	^b	^b	^a
22:0	^a	^a	^b	^b	^c
24:0	—	—	a	a	b
SFA	^a	^b	^c	^c	^c
14:1	^ab	^ab	^b	^ab	^a
15:1	^a	^ab	^b	^ab	^a
16:1	^ab	^b	^ab	^ab	^a
17:1	^a	^a	^a	^a	^a
18:1n9t	^a	^a	^c	^b	^bc
18:1n9c	^a	^a	^c	^b	^a
20:1n9	^b	^b	^c	^bc	^a
MUFA	^a	^a	^b	^b	^a
18:2n6t	^b	^b	^b	^b	^a
18:2n6c	^c	^b	^a	^a	^a
18:3n6	^b	^ab	^c	^a	^b
18:3n3	^c	^c	^a	^b	^c
20:2	^d	^c	^ab	^a	^b
20:3n6	^a	^a	^a	^a	^a
20:3n3	^ab	^ab	^a	^ab	^b
20:4n6	^d	^c	^a	^b	^cd
20:5n3 (EPA)	^d	^d	^a	^b	^c
22:2	^a	^ab	^a	^b	^b
22:5n3 (DPA)	—	—	^b	^a	^c
22:6n3 (DHA)	—	—	^b	^a	^b
PUFA	^e	^d	^a	^b	^c
n-3PUFA	^d	^cd	^a	^b	^c
n-6PUFA	^d	^c	^a	^ab	^b
n3/n6	^bc	^bc	^a	^b	^c
DHA/EPA	—	—	^b	^a	^a

Note: the data are represented as the deviation (). Values in the same row with different letters are significantly different (). “-” represents no data for this period. SFA: total saturated fatty acids; MUFA: total monounsaturated fatty acids; PUFA: total polyunsaturated fatty acids; n-3PUFA: n-3 polyunsaturated fatty acids; n-6PUFA: n-6 polyunsaturated fatty acids; 12:0: lauric acid; 13:0: tridecanoic acid; 14:0: myristic acid; 15:0: pentadecanoic acid; 16:0: palmitic acid; 17:0: heptadecanoic acid; 18:0: stearic acid; 20:0: peanut acid; 21:0: hexadecanoic acid; 22:0: behenic acid; 24:0: tetracosanoic acid; 14:1: myristoleic acid; 15:1: Cis-10-pentadenoic acid; 16:1: palmitoleic acid; 17:1: Cis-10-heptadecanoic acid; 18:1n9t: elaidic acid; 18:1n9c: oleic acid; 20:1n9: Cis-11-eicosenoic acid; 18:2n6t: linolelaidic; 18:2n6c: linoleic acid; 18:3n6: γ-linoleic acid; 18:3n3: α-linoleic acid; 20:2: Cis-11, 14-eicosadienoic acid; 20:3n6: Cis-8, 11, 14-eicosatrienoic acid; 20:3n3: Cis-11, 14, 17-eicosatrienoic acid; 20:4n6: arachidonic acid; C20:5n3 (EPA): eicosapentaenoic acid; C22:2: Cis-13, 16 docosadienoic acid; 22:5n3 (DPA): docosapentaenoic acid; 22:6n3 (DHA): docosahexaenoic acid.