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. 2020 Oct 8;100(1):388–395. doi: 10.1016/j.psj.2020.10.001

Table 3.

Fatty acid composition of egg yolk from chickens fed a diet with or without GTP.

Fatty acid Treatment Feeding time (wk)
 SEM P-value
0 2 4 6 8 10 12 Treatment Feeding time
 Treatment × feeding time
ANOVA Linear Quadratic
C14:0 Con 0.10 0.09 0.12 0.15 0.10 0.07 0.08 0.007 0.560 <0.01 0.015 0.001 0.056
GTP 0.11 0.09 0.11 0.11 0.10 0.08 0.09
C16:0 Con 22.4 23.1 24.3 26.4 26.0 26.0 27.0 0.243 0.030 <0.01 <0.001 0.002 0.804
GTP 23.7 23.2 24.7 26.5 26.2 26.5 27.5
C18:0 Con 11.1 10.2 10.0 10.5 10.9 10.0 11.1 0.331 0.049 0.336 0.035 0.043 0.080
GTP 10.8 10.6 10.6 9.11 9.6 9.8 9.91
C20:0 Con 0.08 0.09 0.09 0.19 0.17 0.16 0.18 0.007 <0.01 <0.01 <0.001 0.017 0.007
GTP 0.08 0.09 0.09 0.24 0.20 0.17 0.252
C16:1 Con 3.05 3.3 3.58 3.27 3.49 3.04 2.89 0.148 0.606 0.122 0.45 0.23 0.587
GTP 3.13 3.37 3.56 3.23 3.16 3.05 3.391
C18:1 Con 39.8 43.3 43.9 37.9 37.8 37.8 37.88 0.711 <0.01 <0.01 0.53 0.65 0.021
GTP 40.6 43.4 42.6 41.41 42.41 41.11 41.191
C18:2 Con 8.37 8.86 8.93 9.39 9.14 9.90 9.90 0.321 0.005 <0.01 0.09 0.57 0.366
GTP 9.2 9.19 8.57 10.95 10.44 10.46 10.631
C18:3 Con 4.28 3.84 3.16 2.60 2.80 3.08 3.69 0.239 0.126 0.106 0.029 0.08 0.011
GTP 4.10 3.60 3.50 3.842 3.59 4.081 2.802
DPA Con 1.09 0.95 0.91 1.02 0.77 1.06 1.20 0.086 0.127 0.004 0.264 0.040 0.485
GTP 1.00 0.89 0.99 1.06 1.05 1.41 1.30
SFAs Con 33.7 32.9 34.5 37.2 34.3 36.2 38.3 0.663 0.956 <0.01 0.56 0.55 0.831
GTP 34.7 33.3 34.8 35.90 35.0 35.0 37.7
MUFA Con 42.9 46.7 47.5 41.2 41.0 40.8 40.8 0.748 <0.01 <0.01 0.61 0.54 0.026
GTP 43.7 46.8 46.2 44.61 45.62 44.01 44.61
PUFA Con 13.7 13.4 13.0 13.0 12.5 13.9 14.1 0.483 0.038 0.411 0.98 0.74 0.114
GTP 14.3 13.2 12.9 15.52 15.02 14.2 14.0
TUFA Con 56.6 60.0 60.5 54.2 52.2 54.8 54.8 0.724 <0.01 <0.01 0.34 0.97 <0.01
GTP 58.0 60.0 59.1 60.12 60.32 58.11 58.52

Abbreviations: C14:0, myristic acid; C16:0, palmitic acid; C18:0, stearic acid; C20:0, arachidic acid; C16:1, palmitic acid; C18:1, oleic acid; C18:2, g-linolenic acid; C18:3, linolenic acid; Con, control; DPA, docosahexaenoic acid; GTP, green tea powder; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids; SFAs, saturated fatty acids; TUFA, total unsaturated fatty acids.

1

Significant differences among groups (P < 0.05).

2

Significant differences among groups (P < 0.01).