Research Article

Antioxidant and Anti-Inflammatory Properties of Longan (Dimocarpus longan Lour.) Pericarp

Table 2

The effects of WLP and three markers on DPPH assay and inhibition of NO production in LPS-induced RAW264.7 macrophages.

SamplesDPPH-scavenging activity
( E C 5 0 , 𝜇 g/mL)
NO inhibition
( I C 5 0 , 𝜇 g/mL)

WLP69.4 ± 0.5179.8 ± 1.4
Gallic acid3.5 ± 0.118.8 ± 0.3
Epicatechin 26.2 ± 0.1>100
Ellagic acid2.8 ± 0.15.2 ± 0.2
IndomethacinNot determined52.5 ± 2.7

All values expressed as mean ± SEM (n = 3). Means which did not share a common letter were significantly different ( 𝑃 < 0 . 0 5 ) when analyzed by ANOVA and Ducan’s multiple-range tests.