Xanthine oxidase inhibitory activity of a new isocoumarin obtained from Marantodes pumilum var. pumila leaves

Table 4 Percentages of xanthine oxidase inhibition of isolated compounds and allopurinol

Compound	Percentage of xanthine oxidase inhibition (%)^a
1	98.46 ± 0.37
2	91.54 ± 0.08
3	0.00
4	0.00
5	0.00
6	0.00
Allopurinol (positive control)	99.82 ± 0.00

Data are presented as mean ± S.E.M. of three replicates (n = 3)
^aPercentage of xanthine oxidase inhibition of compounds and allopurinol were determined at a concentration of 100 μg/mL

ISSN: 2662-7671