. 2021 Apr 16;10(4):871. doi: 10.3390/foods10040871

Table 3.

Total carotenoid (mg/g of β-carotene) and total cholesterol (mg/g) content pre- and post-storage at 4 ± 2 °C for 2 weeks of laying hens supplemented with inorganic selenium and different organic Se sources.

Parameters	Days	Dietary Treatments ¹				p-Value
Parameters	Days	Con	Na₂SeO₃	Se-Yeast	ADS18
Total Carotene
Egg yolk	Initial	21.23 ± 0.58	21.80 ± 0.35	22.51 ± 0.41	21.21 ± 0.39	0.1597
	Fresh	20.49 ± 0.61 ^b,c	20.10 ± 1.12 ^c	22.15 ± 0.32 ^a,b	23.37 ± 0.37 ^a	0.0086
	Stored	15.77 ± 1.20 ^b	17.95 ± 0.56 ^b	20.97 ± 0.82 ^a	22.13 ± 0.49 ^a	<0.0001
Breast meat	NA	2.07 ± 0.06 ^a	1.99 ± 0.05 ^a,b	1.88 ± 0.02 ^b	1.95 ± 0.03 ^a,b	0.0267
Feed sample	NA	5.14 ± 0.16 ^b	5.16 ± 0.21 ^b	5.59 ± 0.08 ^b	6.27 ± 0.14 ^a	0.0001
Total Cholesterol
Egg yolk	Initial	12.75 ± 0.24	12.75 ± 0.43	13.25 ± 0.37	12.94 ± 0.33	0.7076
	Fresh	27.83 ± 0.44 ^a	25.70 ± 0.41 ^b	22.03 ± 0.51 ^c	20.12 ± 0.48 ^d	<0.0001
	Stored	27.92 ± 0.45 ^a	26.35 ± 0.60 ^a,b	24.78 ± 0.54 ^b	19.83 ± 0.91 ^c	<0.0001
Breast meat	NA	16.17 ± 0.40 ^a	15.20 ± 0.18 ^a	12.33 ± 0.44 ^b	9.09 ± 0.36 ^c	<0.0001

¹ Con = control, Na₂SeO₃ = Sodium selenite; Se-yeast = Selenium yeast; ADS18 = Stenotrophomonas maltophilia. Initial = day 3, fresh = day 95 and stored = day 109 for 2 weeks. ^a–d Mean in the same row with different superscripts are significantly different (p < 0.05). NA = not applicable.