. 2015 Jan 15;52(10):6345–6354. doi: 10.1007/s13197-015-1721-7

Table 4.

Effect of chitosan coating on egg yolk index of eggs during 5-week of storage at 22 ± 1 and 32 ± 1 °C (n = 3)

Storage period (Week)	Egg samples
Storage period (Week)	NCE	ACE	ESC	ETC
0	0.40 ± 0.01^a	0.40 ± 0.01^a	0.40 ± 0.01^a	0.39 ± 0.01^a
(a) Storage temperature 22 ± 1 °C
1	0.34 ± 0.01^b	0.36 ± 0.01^b	0.37 ± 0.01^b	0.38 ± 0.01^a
2	0.32 ± 0.03^c	0.32 ± 0.03^c	0.37 ± 0.01^b	0.36 ± 0.02^b
3	0.30 ± 0.01^d	0.28 ± 0.02^d	0.32 ± 0.02^c	0.34 ± 0.05^c
4	0.23 ± 0.02^e	0.26 ± 0.03^e	0.29 ± 0.02^d	0.31 ± 0.03^d
5	0.029 ± 0.002^f	0.029 ± 0.001^f	0.24 ± 0.004^e	0.23 ± 0.001^e
(b) Storage temperature 32 ± 1 °C
1	0.20 ± 0.01^a	0.15 ± 0.10^a	0.27 ± 0.01^a	0.35 ± 0.02^a
2	0.14 ± 0.00^b	0.14 ± 0.01^a	0.18 ± 0.02^b	0.30 ± 0.01^b
3	0.10 ± 0.01^c	0.09 ± 0.02^b	0.17 ± 0.02^b	0.23 ± 0.01^c
4	0.07 ± 0.006^d	0.04 ± 0.02^c	0.14 ± 0.01^c	0.18 ± 0.01^d
5	na	na	na	na

Means ± standard deviations of three measurements

Means with different letters within a column indicate significant differences

NCE non-coated egg, ACE egg with acetic acid coat, ESC egg with one-time chitosan coat, ETC egg with three-time chitosan coat, na not analyzed