Table 5 Contents of polyphenol compounds in Godulbaegi (Youngia sonchifolia M.)

Components	Samples (mg%)
	Leaf		Root
	October	December	October	December
	Arbutin	0.62±0.121)^b2)	1.65±0.20^a	0.79±0.09^b	1.60±0.31^a
	Catechin	0.05±0.01^b	0.02±0.00^b	0.02±0.01^b	0.76±0.14^a
Chlorogenic acid	t3)	t	t	0.83±0.15
p-Coumaric acid	0.35±0.07^bc	0.14±0.03^c	1.23±0.45^a	0.61±0.11^b
Total	1.02	1.81	2.04	3.80

Each value is expressed as mean±SD, n=3.
Mean±SD with different superscript within a row are significantly different (p<0.05) by Duncan’s multiple range test.
t, trace.