Table 3 Identified phenolic acids and flavonoids from E. elatior extracts collected from three different locations

Phenolic acids

 Gallic acid

129.14 ± 7.54^a

102.40 ± 9.07^b

87.72 ± 6.74^c

 Tannic acid

82.66 ± 10.6^a

66.19 ± 10.56^b

53.70 ± 4.62^c

 Chlorogenic acid

75.79 ± 9.61^a

70.45 ± 8.46^a

ND

 Caffeic acid

88.46 ± 7.20^a

58.25 ± 4.56^c

69.11 ± 4.02^b

Flavonoids

 Quercetin

89.50 ± 6.55^a

77.20 ± 7.80^b

64.17 ± 5.66^c

 Apigenin

71.88 ± 7.19^a

60.18 ± 5.06^b

40.23 ± 5.21^c

 Kaempferol

62.19 ± 6.58^b

70.28 ± 6.22^a

55.70 ± 4.83^c

 Luteolin

46.69 ± 5.19^a

ND

ND

 Myricetin

35.75 ± 7.21^a

20.58 ± 5.17^b

5.66 ± 4.29^c