Table 2 Contents of vitamins and organic acids in Godulbaegi (Youngia sonchifolia M.)

Composition	Samples
	Leaf		Root
	October	December	October	December
	Vitamins (mg%)
	Vit. C	87.12±2.361)^a2)	78.68±2.51^b	15.87±0.96^c	13.56±0.81^c
Niacin	4.63±0.61^a	3.29±0.53^c	3.78±0.52^b	3.33±0.55^bc
Vit. B₆	0.23±0.06^a	0.25±0.09^a	0.12±0.03^b	0.15±0.03^b
Vit. B₂	0.11±0.02^a	0.12±0.03^a	0.12±0.03^a	0.13±0.03^a
Vit. B₁	0.12±0.01^b	0.17±0.04^a	0.18±0.05^a	0.19±0.04^a
Organic acids (mg%)
Maleic acid	1.86±0.38^a	1.97±0.22^a	0.56±0.09^b	0.36±0.06^b
Citric acid	0.90±0.12^b	1.21±0.23^a	1.20±0.30^a	1.12±0.36^ab
Tartaric acid	0.82±0.16^a	0.51±0.08^b	t	t
Succinic acid	t3)	t	t	t

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.