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

Table 2

FAA contents of crayfish sample during storage at 4°C.

FAA (mg/100 g)	0d	4d					8d
	0d	CK	T0	T1	T2	T3	T0	T1	T2	T3
Asp	0.23	0.74	1.12	1.35	0.59	1.10	2.13	1.28	1.97	1.55
Thr	148.62	83.68	104.36	74.56	59.79	83.13	103.88	79.88	101.68	123.19
Ser	50.23	—	—	—	7.87	4.35	10.26	—	—	15.24
Glu	9.66	17.02	15.07	18.58	8.98	12.50	23.12	79.40	21.25	17.61
Gly	54.98	34.37	58.25	24.50	19.62	54.15	31.49	54.80	27.62	38.87
Ala	127.00	74.76	118.67	79.78	72.55	87.03	96.12	125.67	93.26	86.41
Val	18.70	17.27	18.21	16.06	10.02	16.01	24.53	14.50	21.72	20.60
Met	16.54	12.15	11.58	12.38	7.29	7.83	14.12	15.06	11.73	11.52
Ile	9.80	6.18	6.97	6.48	5.36	7.41	10.65	6.22	9.76	10.39
Leu	17.80	12.22	13.12	11.56	9.27	12.97	18.82	11.31	18.45	18.95
Tyr	4.97	5.90	5.58	4.89	4.46	4.34	7.75	7.34	6.75	5.65
Phe	5.53	6.21	5.70	6.66	4.44	4.54	11.18	6.28	9.85	6.46
Lys	29.95	7.95	20.17	10.97	19.33	14.04	17.54	32.11	16.27	39.64
His	23.43	35.05	30.02	33.49	20.99	25.98	42.70	33.25	36.10	31.78
Arg	616.35	449.14	497.42	501.77	449.01	440.67	530.66	429.67	472.56	584.79
Total	1133.78	762.64	906.24	803.03	699.56	776.05	944.98	896.77	848.97	1012.65

—, not detected.