胭脂红分析

Annatto

Conditions
Column: ACE 5 C18
Dimensions: 250 x 4.6 mm
Part Number: ACE-121-2546
Mobile Phase: MeCN/0.16% acetic acid in H2O (70:30 v/v)
Flow Rate: 1.2 mL/min
Temperature: Ambient
Detection: UV-Vis, 478 nm

1. Norbixin
2. 9’-trans-Bixin
3. 9’-cis-Bixin