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

Figure 1

Standard solution chromatogram results. (a) UV = 325 nm; (b) FLR (Ex = 294 nm, Em = 328 nm) (1: 11-cis retinol; 2: 9-cis retinol; 3: 13-cis retinol; 4: all-trans retinol; 5: δ-tocotrienol; 6: γ-tocotrienol; 7: β-tocotrienol; 8: α-tocotrienol; 9: δ-tocopherol; 10: γ-tocopherol; 11: β-tocopherol; 12: α-tocopherol).

(a)

(b)