A Moderate Zinc Deficiency Does Not Alter Lipid and Fatty Acid Composition in the Liver of Weanling Rats Fed Diets Rich in Cocoa Butter or Safflower Oil

Table 5

Fatty acid composition (mol/100 mol) of liver triacylglycerols in male weanling rats fed high-fat diets differing in Zn content and fat source free choice or in restricted amounts for 4 wk.

Fatty acids	Diet groups					2 × 2 ANOVA: P level
	LZ-CB	HZ-CBR	LZ-SF	HZ-SFR	HZ-SF	Zn	Fat	Zn × fat
16:0						<0.001	<0.001	0.018
18:0						0.021	<0.001	0.48
SFAs						0.006	<0.001	0.17
18:1n-9						0.098	<0.001	0.044
MUFAs						0.16	<0.001	0.058
18:2n-6						0.41	<0.001	0.52
18:3n-6						0.72	<0.001	0.088
20:4n-6^4						0.051	<0.001	0.70
22:4n-6						0.088	<0.001	0.056
n-6 PUFAs^7						0.072	<0.001	0.65
18:3n-3						0.70	0.036	0.81
22:5n-3						0.90	<0.001	0.11
22:6n-3						0.055	<0.001	0.15
n-3 PUFAs						0.31	<0.001	0.77
Δ^6 DS products^8						0.28	0.001	0.96
Ratio n-6/n-3^5						0.80	<0.001	0.18
Relative UI						0.011	<0.001	0.62

See footnote 1 of Table 2.
Values are means ± SD, . Labeled means in a row without a common letter differ by 1-factor ANOVA followed by Tukey’s multiple-comparison test, .
Bifactorial ANOVA of the LZ-CB, HZ-CBR, LZ-SF, and HZ-SFR diet groups.
1-factor ANOVA after logarithmic transformation of the data.
Bifactorial ANOVA after logarithmic transformation of the data.
Contain 20:1n-9 and 22:1n-9 (the latter in SF groups only).
Contain 20:2n-6 and 20:3n-6 in SF groups.
Total Δ⁶ desaturation products (mol per 100 mol PUFAs) contain 18:3n-6, 20:3n-6, 20:4n-6, 22:4n-6, 22:5n-3, and 22:6n-3.
SFAs, saturated fatty acids; MUFAs, monounsaturated fatty acids; PUFAs, polyunsaturated fatty acids; UI, relative unsaturation index.