Application of Gelatin Incorporated with Red Pitaya Peel Methanol Extract as Edible Coating for Quality Enhancement of Crayfish (Procambarus clarkii) during Refrigerated Storage

Table 1

Changes of transverse relaxation time and water distribution of crayfish during storage.

Storage time (day)	T21	T22	T23
0d
	0.75 ± 0.05^abc	65.79 ± 2.63^a	464.16 ± 19.28^a	1.14 ± 0.01^ab	97.58 ± 0.04^a	1.28 ± 0.01^ab
2d
CK	1.32 ± 0.04^de	65.79 ± 2.63^a	533.67 ± 37.36^b	1.05 ± 0.01^bc	96.38 ± 0.09^b	2.57 ± 0.07^c
T0	1.32 ± 0.05^de	75.65 ± 6.05^b	705.48 ± 28.22^c	1.24 ± 0.04^ad	97.04 ± 0.03^c	1.72 ± 0.07^de
T1	1.34 ± 0.43^de	75.65 ± 2.27^b	533.67 ± 48.03^b	0.99 ± 0.08^c	97.39 ± 0.02^d	1.62 ± 0.09^e
T2	1.14 ± 0.49^ef	65.79 ± 1.97^a	464.16 ± 4.52^a	1.30 ± 0.01^de	97.25 ± 0.04^e	1.45 ± 0.09^f
T3	0.76 ± 0.02^abc	75.65 ± 1.51^b	738.20 ± 21.45^c	1.41 ± 0.09^f	97.24 ± 0.04^e	1.35 ± 0.04^a
4d
CK	1.52 ± 0.14^dg	57.22 ± 3.87^c	403.70 ± 32.30^ae	2.43 ± 0.09^g	95.04 ± 0.08^f	2.53 ± 0.05^c
T0	1.52 ± 0.09^dg	65.79 ± 3.95^a	533.67 ± 48.03^b	1.85 ± 0.04^h	96.25 ± 0.03^g	1.90 ± 0.05^g
T1	1.04 ± 0.08^aef	57.22 ± 0.51^c	464.16 ± 13.92^a	2.33 ± 0.08^i	96.16 ± 0.06^g	1.51 ± 0.04^f
T2	1.14 ± 0.25^ef	65.79 ± 3.29^a	464.16 ± 4.55^a	1.24 ± 0.10^ad	97.53 ± 0.09^a	1.23 ± 0.07^b
T3	0.72 ± 0.07^abc	57.22 ± 2.86^c	351.12 ± 24.58^e	1.38 ± 0.07^ef	97.49 ± 0.03^a	1.13 ± 0.08^h
6d
CK	0.43 ± 0.01^c	49.77 ± 0.98^d	403.70 ± 16.15^ae	2.07 ± 0.03^j	94.57 ± 0.03^h	3.37 ± 0.04^i
T0	1.34 ± 0.27^de	75.65 ± 7.52^b	613.59 ± 36.82^d	1.86 ± 0.05^h	95.62 ± 0.04^i	2.51 ± 0.02^c
T1	0.87 ± 0.02^abf	57.22 ± 1.72^c	533.67 ± 36.70^b	2.08 ± 0.07^j	95.59 ± 0.03^i	2.32 ± 0.04^j
T2	1.75 ± 0.12^gh	57.22 ± 2.56^c	464.16 ± 26.33^a	1.33 ± 0.08^def	96.94 ± 0.08^j	1.73 ± 0.09^d
T3	0.66 ± 0.01^bc	65.79 ± 3.95^a	613.59 ± 30.68^d	1.43 ± 0.03^fk	95.81 ± 0.02^k	0.76 ± 0.08^k
7d
T1	1.15 ± 0.05^ef	43.29 ± 0.87^e	403.70 ± 7.55^ae	2.47 ± 0.05^g	94.79 ± 0.06^l	2.69 ± 0.01^l
T2	2.01 ± 0.16^h	75.65 ± 3.02^b	613.59 ± 49.08^d	1.63 ± 0.05^l	96.17 ± 0.02^g	2.19 ± 0.02^m
T3	1.75 ± 0.13^gh	65.79 ± 5.52^a	464.16 ± 9.28^a	1.52 ± 0.08^k	96.53 ± 0.05^m	2.00 ± 0.06^n
8d
T2	1.52 ± 0.14^dg	65.79 ± 1.97^a	464.16 ± 3.26^a	1.92 ± 0.04^h	96.04 ± 0.06^n	2.05 ± 0.05^n
T3	0.66 ± 0.07^bc	57.22 ± 0.36^c	403.07 ± 18.97^ae	1.08 ± 0.03^bc	91.27 ± 0.09^e	1.64 ± 0.05^de

Means in the same column with different letters are significantly different ().