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Table 2 Quantification of four bioactive components in 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

Bioactive components

Linear regression equations

Correlation coefficients (R2)

Contents (mg/g GD powder)

Chlorogenic acid

y = 381,854.86597 + 57,440,112.13043×

0.99884

5.57 ± 0.35

3, 4-dicaffeoylquinic acid

y = −27,745.44883 + 68,618,107.60542×

0.99988

0.67 ± 0.08

3, 5-dicaffeoylquinic acid

y = 250,500.51458 + 78,350,260.14366×

0.99905

10.29 ± 0.74

4, 5-dicaffeoylquinic acid

y = 26,676.51400 + 9,837,283.14720×

0.99975

6.84 ± 0.14

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Nutrition & Metabolism

ISSN: 1743-7075

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