Transcriptome Analysis Reveals Dynamic Fat Accumulation in the Walnut Kernel
Table 2
Dynamic changes of fatty acid content in walnut kernel fat (%).
Types of fatty acids
Days after fertilization/day
60
70
80
90
100
110
120
130
Unsaturated fatty acid
Linoleic acid (C18 : 2)
60.86 ± 2.01f
66.87 ± 2.10c
68.36 ± 2.56b
69.66 ± 2.03a
64.99 ± 2.34d
64.53 ± 2.01d
63.29 ± 2.35e
64.34 ± 1.32d
Oleic acid (C18 : 1)
6.67 ± 0.13 g
8.37 ± 0.03f
12.29 ± 0.12de
12.87 ± 0.15d
18.92 ± 0.21bc
19.53 ± 0.45ab
20.15A ± 0.20a
19.28 ± 0.13b
α-Linolenic acid (C18 : 3)
12.02 ± 0.08ab
12.22 ± 0.12a
9.3 ± 0.05c
8.54 ± 0.03d
7.38 ± 0.04e
6.88 ± 0.10 g
7.36 ± 0.06ef
6.93 ± 0.04 fg
Palmitoleic acid (C16 : 1)
0.25 ± 0.02a
0.15 ± 0.03b
0.13 ± 0.001b
0.06 ± 0.001c
0.06 ± 0.001c
0.06 ± 0.002c
0.07 ± 0.001c
0.06 ± 0.002c
all-cis-11,14-Eicosadienoic acid (C20 : 2)
0.07 ± 0.01a
0.08 ± 0.001a
0.03 ± 0.001b
0.04 ± 0.001b
0.02 ± 0.001bc
0.03 ± 0.001b
0.03 ± 0.001b
0.02 ± 0.001bc
cis-11-Eicosenoic acid (C20 : 1)
0.40 ± 0.003a
0.26 ± 0.002b
0.19 ± 0.001c
0.19 ± 0.001c
0.19 ± 0.001c
0.17 ± 0.001c
0.17 ± 0.001c
0.18 ± 0.001c
Saturated fatty acid
Margaric acid (17 : 0)
0.12 ± 0.01
0.06 ± 0.001
0.07 ± 0.001
0.07 ± 0.001
0.06 ± 0.001
0.07 ± 0.001
0.07 ± 0.001
0.07 ± 0.001
Behenic acid (22 : 0)
0.34 ± 0.003a
0.10 ± 0.001b
0.02 ± 0.001b
0.02 ± 0.001b
0.03 ± 0.001b
0.01 ± 0.001b
0.03 ± 0.001b
0.02 ± 0.001b
Lauric acid (12 : 0)
0.06 ± 0.001a
0.01 ± 0.001b
0b
0.02 ± 0.001b
0.02 ± 0.001b
0.02 ± 0.001b
0.01 ± 0.001b
0b
Pentadecylic acid (15 : 0)
0.25 ± 0.002a
0.08 ± 0.001b
0.04 ± 0.001c
0.02 ± 0.001c
0.02 ± 0.001c
0.01 ± 0.001c
0.02 ± 0.001c
0.02 ± 0.001c
Myristic acid (C14 : 0)
0.13 ± 0.005a
0.07 ± 0.001b
0.06 ± 0.001b
0.03 ± 0.001c
0.02 ± 0.001c
0.02 ± 0.001c
0.02 ± 0.001c
0.01 ± 0.001c
Palmitic acid (C16 : 0)
17.45 ± 0.01a
10.06 ± 0.001b
7.57 ± 0.02c
5.93 ± 0.04ef
5.35 ± 0.03 fg
5.85 ± 0.01ef
6.06 ± 0.02de
6.46 ± 0.03d
Stearic acid (C18 : 0)
1.29 ± 0.003e
1.59 ± 0.001d
1.90 ± 0.001 cd
2.5 ± 0.001bc
2.87 ± 0.005a
2.75 ± 0.007a
2.65 ± 0.002ab
2.55 ± 0.008bc
Arachidic acid (20 : 0)
0.09 ± 0.002a
0.08 ± 0.001a
0.05 ± 0.001b
0.05 ± 0.001b
0.07 ± 0.001a
0.07 ± 0.001a
0.07 ± 0.001a
0.06 ± 0.001ab
Note: values represent the mean ± SE. Means within each line followed by the same letter are not significantly different at according to Duncan’s multiple range test.
