Table 2 Flavonoid and phenolic acid content of L. hispidulus ethanolic extract.

From: Application of Box-Behnken design for optimization of phenolics extraction from Leontodon hispidulus in relation to its antioxidant, anti-inflammatory and cytotoxic activities

Compound

Retention time (min)

Concentration + SD (µg/g)

1- Protocatechuic acid

7.67

64.155 ± 0.023

2- Catechin

14.68

90.669 ± 0.124

3- Chlorogenic acid

15.8

167.428 ± 0.132

4- Caffeic acid

16.7

39.366 ± 0.092

5- Vanillic acid

20.1

62.521 ± 0.172

6- p-coumaric acid

32.2

155.245 ± 0.207

7- Rutin

33.9

173.100 ± 0.229

8- Cinnamic acid

42.7

12.116 ± 0.028

9- Quercetin

45.49

370.049 ± 0.320

10- Kaempferol

53.6

15.197 ± 0.072

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