Table 4. Glucosinolate content (pmol/g dry weight) of kale under conventional and organic cultivation systems

Glucosinolates	Conventional			Organic
	A	B	C	D	E	F
Gluconapin	29.18±1.571)d2)	36.72±1.12c	35.89±2.25c	38.41±2.78b	41.18±3.36a	37.73±1.53b
Glucoiberverin	9.16±0.95c	10.54±0.85b	9.15±0.75c	10.95±0.67b	11.87±0.92a	10.45±0.74b
Glucoerucin	10.43±0.87c	10.03±0.94c	9.57±0.75d	11.87±1.05b	13.25±0.98a	11.78±1.53b
Glucobrassicin	4.15±0.42c	4.16±0.37c	4.27±0.38c	4.92±0.63b	4.91±0.54b	5.24±0.42a
Gluconasturtin	11.25±0.83c	11.94±1.07b	11.83±1.41b	11.89±1.20b	12.01±1.83a	12.78±1.20a
4-Methyoxyglucobrassicin	12.41±1.74c	12.67±1.93c	13.16±1.62b	13.52±1.36b	14.74±2.04a	14.03±1.36a

All values are mean±SD (n=3).
Means with different superscript letters (^a-d) in the same column are significantly different (p<0.05) by Duncan’s multiple range test.