Cultured eastern oysters (Crassostrea virginica): retention and assimilation of picophytoplankton using a multi-biomarker approach

Free Access

Table 2

Relative contribution (%) of fatty acids (FA) in the digestive glands of bottom and suspension-cultured oysters, C. virginica (significance of p < 0.05 for superscript letters).

	Suspended culture					Bottom culture

	June 3rd	July 3rd	July 25th	Aug 14th	Sept 28th	June 3rd	July 3rd	July 25th	Aug 14th	Sept 28th
Saturated (SFA)
14:0	3.66 ± 0.93	3.94 ± 1.00	1.72 ± 0.54	3.88 ± 0.80	5.07 ± 1.19	3.65 ± 0.28	3.80 ± 0.53	1.46 ± 0.31	3.48 ± 0.86	4.04 ± 0.89
15:0	0.90 ± 0.10	0.75 ± 0.07	0.73 ± 0.07	0.85 ± 0.08	0.99 ± 0.05	0.84 ± 0.11	0.80 ± 0.09	0.86 ± 0.08	0.87 ± 0.06	0.86 ± 0.05
16:0	22.88 ± 2.11	24.35 ± 0.38	25.14 ± 1.76	26.10 ± 0.73	21.09 ± 3.10	21.99 ± 1.70	24.22 ± 1.98	24.07 ± 2.26	24.23 ± 1.80	21.06 ± 1.38
17:0	1.30 ± 0.11	1.27 ± 0.15	1.45 ± 0.14	1.18 ± 0.09	1.18 ± 0.12	1.30 ± 0.22	1.31 ± 0.12	1.47 ± 0.17	1.17 ± 0.08	1.13 ± 0.05
18:0	4.18 ± 0.63	5.01 ± 0.72	5.72 ± 0.34	3.37 ± 0.40	2.65 ± 0.19	4.60 ± 0.81	5.38 ± 0.63	5.38 ± 0.75	3.50 ± 0.47	3.37 ± 0.47
20:0	0.12 ± 0.03	0.15 ± 0.05	0.12 ± 0.02	0.06 ± 0.01	0.06 ± 0.01	0.12 ± 0.05	0.17 ± 0.08	0.17 ± 0.05	0.10 ± 0.05	0.11 ± 0.04
15:0i+ai	0.21 ± 0.06	0.12 ± 0.05	0.18 ± 0.07	0.11 ± 0.08	0.19 ± 0.08	0.17 ± 0.05	0.14 ± 0.03	0.16 ± 0.06	0.15 ± 0.04	0.22 ± 0.09
17:0i−ai	0.24 ± 0.03	0.40 ± 0.24	0.27 ± 0.03	0.57 ± 0.39	0.53 ± 0.42	0.29 ± 0.10	0.31 ± 0.19	0.29 ± 0.08	0.30 ± 0.14	0.37 ± 0.16
Sum%	33.51 ± 2.42	35.99 ± 0.88	35.33 ± 1.70	36.09 ± 0.75	31.76 ± 2.34	32.96 ± 2.21	36.14 ± 2.00	33.87 ± 2.45	33.81 ± 2.06	31.16 ± 1.52

Monounsaturated (MUFA)
14:1	0.07 ± 0.01	0.12 ± 0.03	0.05 ± 0.01	0.04 ± 0.01	0.03 ± 0.01	0.09 ± 0.02	0.12 ± 0.05	0.06 ± 0.01	0.04 ± 0.01	0.04 ± 0.01
16:1ω7	5.78 ± 1.45	3.91 ± 1.48	3.00 ± 1.10	6.94 ± 1.86	9.27 ± 2.20	5.33 ± 0.73	3.36 ± 1.09	3.17 ± 0.63	6.91 ± 1.58	8.38 ± 1.61
18:1ω9	3.72 ± 0.36	4.76 ± 0.19	4.55 ± 0.59	3.48 ± 0.17	3.21 ± 0.34	3.60 ± 0.14	4.76 ± 0.97	4.60 ± 0.61	3.74 ± 0.93	3.35 ± 0.73
20:1ω9	0.66 ± 0.22	0.94 ± 0.27	0.64 ± 0.18	0.31 ± 0.07	0.49 ± 0.43	0.66 ± 0.04	0.76 ± 0.21	0.67 ± 0.13	0.73 ± 0.75	0.80 ± 0.70
Sum%	10.23 ± 1.24	9.72 ± 1.29	8.24 ± 0.82	10.77 ± 1.70	13.00 ± 2.21	9.67 ± 0.60	9.00 ± 0.50	8.49 ± 0.93	11.42 ± 0.72	12.58 ± 1.62

Polyunsaturated (PUFA)
18:2ω6	2.14 ± 0.21	3.65 ± 0.35	2.23 ± 0.15	2.15 ± 0.17	1.81 ± 0.16	2.15 ± 0.11	4.20 ± 0.56	2.36 ± 0.23	2.12 ± 0.23	1.70 ± 0.10
18:4ω3	0.18 ± 0.05	0.15 ± 0.02	0.16 ± 0.04	0.25 ± 0.06	0.28 ± 0.06	0.17 ± 0.02	0.17 ± 0.04	0.21 ± 0.03	0.27 ± 0.02	0.29 ± 0.03
18:3ω3	2.29 ± 0.27	4.17 ± 0.51	4.50 ± 0.68	2.75 ± 0.21	2.00 ± 0.48	2.38 ± 0.54	3.82 ± 0.98	3.71 ± 1.34	2.40 ± 0.81	1.58 ± 0.38
20:2	0.34 ± 0.05	0.56 ± 0.10	0.31 ± 0.05	0.20 ± 0.03	0.18 ± 0.03	0.38 ± 0.04	0.53 ± 0.09	0.31 ± 0.03	0.24 ± 0.04	0.19 ± 0.02
20:3ω6	0.25 ± 0.03	0.23 ± 0.03	0.24 ± 0.05	0.26 ± 0.06	0.28 ± 0.05	0.26 ± 0.03	0.26 ± 0.04	0.27 ± 0.05	0.30 ± 0.02	0.32 ± 0.04
20:4ω6	0.13 ± 0.02	0.21 ± 0.04	0.53 ± 0.45	0.14 ± 0.03	0.09 ± 0.02	0.16 ± 0.07	0.26 ± 0.19	0.19 ± 0.06	0.12 ± 0.02	0.21 ± 0.16
20:3ω3	3.34 ± 0.28	2.58 ± 0.31	3.36 ± 0.38	2.71 ± 0.47	2.93 ± 0.41	3.58 ± 0.37	3.68 ± 0.37	5.51 ± 1.25	4.67 ± 1.38	5.15 ± 1.06
20:5ω3 (EPA)	22.38 ± 1.44	15.99 ± 1.25	16.08 ± 3.14	20.30 ± 1.88	24.06 ± 2.66	23.20 ± 0.44	16.14 ± 2.30	16.85 ± 1.40	20.77 ± 1.35	24.86 ± 1.11
22:6ω3 (DHA)	24.60 ± 1.88	26.20 ± 1.79	28.02 ± 1.72	23.76 ± 3.56	22.98 ± 2.76	24.49 ± 2.16	25.11 ± 1.62	27.72 ± 2.19	23.21 ± 2.27	21.32 ± 1.33
Sum%	55.65 ± 2.97	53.74 ± 1.38	55.44 ± 1.91	52.52 ± 2.21	54.61 ± 1.42	56.76 ± 2.69	54.16 ± 1.88	57.13 ± 3.24	54.10 ± 2.36	55.61 ± 1.70

EFA	47.11 ± 2.65	42.39 ± 1.26	44.63 ± 2.22	44.20 ± 1.72	47.13 ± 1.13	47.85 ± 2.33	41.51 ± 3.21	44.76 ± 3.24	44.10 ± 2.23	46.38 ± 1.07
EPA/DHA	0.91±0.08	0.61 ± 0.09	0.58 ± 0.14	0.88 ± 0.19	1.06 ± 0.22	0.95 ± 0.08	0.64 ± 0.09	0.61 ± 0.04	0.90 ± 0.13	1.17 ± 0.11
DHA/EPA	1.10 ± 0.10	1.65 ± 0.23	1.79 ± 0.36	1.19 ± 0.31	0.97 ± 0.23	1.06 ± 0.09	1.57 ± 0.19	1.65 ± 0.11	1.12 ± 0.15	0.86 ± 0.08
18:2ω6+18:3ω3	4.43 ± 0.09	7.82 ± 0.64	6.73 ± 0.80	4.90 ± 0.14	3.81 ± 0.63	4.53 ± 0.60	8.02 ± 1.37	6.06 ± 1.56	4.52 ± 0.99	3.28 ± 0.46
PUFA/SFA	1.69 ± 0.21	1.51 ± 0.07	1.57 ± 0.15	1.48 ± 0.08	1.77 ± 0.15	1.75 ± 0.20	1.52 ± 0.14	1.72 ± 0.22	1.63 ± 0.17	1.83 ± 0.12

16:1ω7/16:0	0.25 ± 0.06	0.16 ± 0.06	0.12 ± 0.05	0.27 ± 0.08	0.45 ± 0.15	0.24 ± 0.02	0.14 ± 0.05	0.13 ± 0.03	0.29 ± 0.06	0.40 ± 0.09

Total μg mg⁻¹	3.93 ± 1.41^a	2.60 ± 1.10^ab	2.48 ± 0.72^ab	4.37 ± 0.93^a	7.40 ± 3.36^a	3.58 ± 1.30^c	2.02 ± 1.05^cd	1.93 ± 0.85^cd	3.71 ± 1.31^c	3.81 ± 2.75^c

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.