Simultaneous Determination of Retinols and Tocols in Egg and Milk Products Based on RP-HPLC Linked with Fluorescent and Photodiode Array

Table 5

Method precision and accuracy of experimental results.

Name	Addition level 1		Addition level 2		Addition level 3
	Recovery (%)	RSD (%)	Recovery (%)	RSD (%)	Recovery (%)	RSD (%)
9-cis retinol	76.79	4.52	85.92	1.66	86.41	2.75
11-cis retinol	79.85	7.94	80.72	8.44	78.52	1.02
13-cis retinol	76.45	3.06	89.08	2.08	91.52	2.24
All-trans retinol	87.10	7.41	91.28	1.56	93.52	0.98
α-Tocopherol	76.56	2.62	88.46	3.31	90.07	0.44
β-Tocopherol	76.63	12.99	90.82	4.35	90.46	1.44
γ-Tocopherol	76.53	11.54	92.50	2.85	92.85	1.49
δ-Tocopherol	78.12	3.76	89.34	2.54	90.40	0.80
α-Tocotrienol	79.93	8.50	84.79	2.21	83.71	2.02
β-Tocotrienol	79.28	4.09	82.44	1.97	80.78	2.06
γ-Tocotrienol	80.73	4.22	84.53	1.92	83.68	1.99
δ-Tocotrienol	79.61	4.23	81.91	0.19	82.73	1.32