Determination of Polyphenol Components of Korean Prostrate Spurge (Euphorbia supina) by Using Liquid Chromatography—Tandem Mass Spectrometry: Overall Contribution to Antioxidant Activity

Table 3

Concentration of polyphenols in Euphorbia supina (mg/kg fresh plant).

Compounds	Mean ± SD
Gallic acid (1)	264.4±0.7
Protocatechuic acid (2)	124.3±0.3
Nodakenin (3)	120.0±4.7
Quercetin 3-O-hexoside (4)	458.3±4.9
Quercetin 3-O-pentoside (5)	1648.2±20.2
Kaempferol 3-O-hexoside (6)	553.8±4.2
Kaempferol 3-O-pentoside (7)	126.9±1.5
Quercetin (8)	118.7±1.0
Kaempferol (9)	21.0±4.6
Total	3352.9±2.8