Table 2 Fractionation of aqueous extract of P. oleracea polyphenol and flavonoids components by HPLC (mg/100 g wet weight)
Components of aqueous extract | (mg/100 g wet weight) |
|---|---|
Phenolic compounds | |
Caffeic acid | 0.17 |
p-coumaric acid | 0.52 |
Apigenin | 0.4 |
Chlorogenic acid | 0.9 |
Salicylic acid | 0.8 |
Catechin | 0.91 |
Flanonoids | |
Rosmarinic acid | 2.9 |
Rutin | 0.1 |
Quercetin | 0.3 |