Table 3 Contents of total amino acids in Godulbaegi (Youngia sonchifolia M.)

Components	Samples (mg%)
	Leaf		Root
	October	December	October	December
	Aspartic acid	3.23±0.421)^a2)	2.83±0.33^b	2.32±0.35^c	2.22±0.17^c
	Threonine	3.79±0.64^a	2.12±0.28^b	3.94±0.58^a	1.98±0.22^b
Serine	1.23±0.13^d	3.52±0.44^b	2.60±0.36^c	4.88±0.68^a
Glutamic acid	3.12±0.30^b	3.62±0.38^a	3.15±0.29^b	2.41±0.33^c
Proline	0.77±0.12^d	3.36±0.35^b	1.77±0.23^c	5.23±0.84^a
Glycine	0.40±0.09^c	0.60±0.12^a	0.55±0.09^b	0.53±0.13^b
Alanine	1.70±0.13^c	2.45±0.22^b	2.58±0.23^a	2.01±0.14^bc
Cystine	-	-	-	-
Valine	1.83±0.15^d	2.78±0.23^b	2.29±0.26^c	2.92±0.24^a
Methionine	0.15±0.02^c	0.55±0.05^b	0.85±0.08^a	0.72±0.06^ab
Isoleucine	42.07±3.36^c	64.01±5.02^b	77.96±6.16^a	72.84±6.30^a
Leucine	31.19±3.67^c	52.03±5.34^b	21.94±3.62^d	62.39±4.27^a
Tyrosine	0.73±0.08^b	0.59±0.07^c	0.23±0.02^d	1.47±0.11^a
Phenylalanine	1.31±0.12^c	2.07±0.23^b	3.17±0.30^a	3.10±0.33^a
Histidine	0.18±0.03^d	2.13±0.21^b	1.60±0.32^c	2.89±0.40^a
Tryptophan	0.82±0.09^c	1.03±0.34^b	0.87±0.31^c	3.12±0.43^a
Lysine	2.35±0.23^b	2.28±0.22^b	2.09±0.30^c	3.08±0.36^a
Arginine	1.24±0.14^c	2.55±0.42^b	4.71±0.61^a	4.67±0.62^a
Total	94.87	145.97	127.91	171.79

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.