Phenolic standard

Rf values (in millimetres)

Standard

HSE

AGE

GT

Caffeic acid (brown)

0.66

0.23

0.20

0.45

Catechin (brown)

0.69

0.27

0.27

0.56

Chlorogenic acid (brown)

0.13

0.36

0.40

0.63

Coumaric acid (brown)

0.68

0.52

0.50

0.77

EGCG (brown)

0.56

0.60

0.55

0.83

Ferulic acid (brown)

0.67

0.66

0.62

Gallic acid (brown)

0.62

0.77

0.77

Naringenin (brown)

0.81

0.83

Procatechuicacid (brown)

0.66

0.90

Quercetin (brown)

0.75

Rutin (brown)

0.28

Salicyclic acid (brown)

0.45