LC-MS compatible method

This method for analysis of Hesperidin produces an excellent analyte peak and shows separation from what appears to be two impurity peaks. The gradient method is LC-MS compatible and can be applied to many types of Hesperidin-containing samples such as citrus fruit extracts. The overlay of five runs shown in the figure illustrates the run-to-run reproducibility of the data.


Peak:
Hesperidin

Method Conditions
Column: Cogent Bidentate C18 2.o, 2.2µm, 120Å
Catalog No.: 40218-05P-2
Dimensions: 2.1 x 50 mm
Mobile Phase:
A: DI Water / 0.1% Formic Acid (v/v)
B: Acetonitrile / 0.1% Formic Acid (v/v)
Gradient:

Time (minutes) %B
0 10
1 10
9 70
10 10

Post Time: 5 minutes
Injection vol.: 1µL
Flow rate: 0.3mL/minute
Detection: UV @ 285nm
Sample: 100 ppm Hesperidin reference standard in 1:1 DMSO: Methanol diluent
t0: 0.6 minutes

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