Table 1.

Phenolic compounds in ethanol Cyperus rotundus Linn tubers extract were identified by HPLC-DAD analysis.

Peak compound	RT (min)	Compounds	(%)
1	7.107	Gallic acid	1.2
2	11.503	Chorogenic acid	1.62
3	12.919	Tyrosol	2.75
4	13.489	Cafeic acid	0.56
5	14.221	Vanillic acid	0.42
6	15.235	Rutin	5.02
7	15.526	Verbascoside	4.03
8	16.584	Luteolin glucoside	18.17
9	17.783	Apigenin-7-glucoside	6.29
10	20.974	Naringinin	4.52
11	23.123	Quercetin	47.80
12	23.290	Luteolin	7.56