Table 5.

Glucosinolate contents in different organs of N. officinale

Glucosinolates	Leaf	Stem	Root	Flower	Seed
Glucoiberin	0.14 ± 0.01	0.24 ± 0.02	0.10 ± 0.02	0.43 ± 0.01	0.79 ± 0.75
Glucotropaeolin	0.08 ± 0.04	0.03 ± 0.03	0.16 ± 0.02	0.36 ± 0.05	0.33 ± 0.10
4-Hydroxyglucobrassicin	0.11 ± 0.02	0.09 ± 0.00	2.94 ± 0.17	1.02 ± 1.56	0.08 ± 0.03
Glucosiberin	1.00 ± 0.03	0.79 ± 0.01	0.86 ± 0.10	4.91 ± 3.64	6.75 ± 1.58
Glucohirsutin	0.42 ± 0.00	0.33 ± 0.01	0.49 ± 0.05	2.01 ± 1.39	3.18 ± 0.79
Glucobrassicin	0.40 ± 0.02	0.53 ± 0.03	0.96 ± 0.06	0.75 ± 0.02	0.13 ± 0.03
4-Methoxyglucobrassicin	0.19 ± 0.00	0.78 ± 0.04	0.69 ± 0.03	0.17 ± 0.01	0.13 ± 0.01
Gluconasturtiin	33.77 ± 0.73	25.20 ± 0.72	7.56 ± 0.26	73.90 ± 0.93	56.68 ± 7.45
Total	36.13 ± 0.84	27.98 ± 0.86	13.76 ± 0.71	83.55 ± 7.61	68.07 ± 10.73

Total glucosinolates were measured in 2-month-old N. officinale (μg g⁻¹ dry weight). Each value represents the mean of three replicates and error bars are SDs