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Table 1 HPLC/MS analysis of 70% methanol extract of GD

From: Gynura divaricata rich in 3, 5−/4, 5-dicaffeoylquinic acid and chlorogenic acid reduces islet cell apoptosis and improves pancreatic function in type 2 diabetic mice

Peak

Retention time (min)

[M-H]

Molecular Weight

Compound name

1

15.790

353.2

354

chlorogenic acid

2

26.893

515.2

516

3, 4-dicaffeoylquinic acid

3

28.060

515.3

516

3, 5-dicaffeoylquinic acid

4

29.615

515.3

516

4, 5-dicaffeoylquinic acid