Determination of Carrageenan in Livestock and Poultry Meat by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry

Table 2

The recovery and precision of spiked carrageenan standard in livestock and poultry meat (n = 6).

Matrix	Spiked standard (g/kg)	Measured value (g/kg)	Recovery (%)	RSD (%)
Pork	0.20	0.21 ± 0.02	104.75	5.88
	0.40	0.45 ± 0.03	111.55	3.27
	0.80	0.66 ± 0.07	82.06	5.24
Beef	0.20	0.23 ± 0.01	112.50	5.68
	0.40	0.38 ± 0.02	95.32	3.20
	0.80	0.68 ± 0.05	85.43	4.61
Lamb	0.20	0.23 ± 0.01	116.00	4.02
	0.40	0.36 ± 0.03	89.55	5.40
	0.80	0.84 ± 0.06	105.25	6.84
Chicken	0.20	0.20 ± 0.01	102.15	5.53
	0.40	0.39 ± 0.04	96.95	7.51
	0.80	0.67 ± 0.04	83.80	3.61
Duck	0.20	0.22 ± 0.01	110.90	0.84
	0.40	0.41 ± 0.02	101.73	6.11
	0.80	0.66 ± 0.01	82.41	2.15

RSD: relative standard deviation.