International Journal of Analytical Chemistry / 2017 / Article / Tab 1 / Research Article
Rapid Separation of Indole Glucosinolates in Roots of Chinese Cabbage (Brassica rapa Subsp. Pekinensis) by High-Performance Liquid Chromatography with Diode Array Detection Table 1 Response factors (Rf) of the most commonly desulfated glucosinolates detected at 229 nm, in plant extracts.
Structural class Trivial name Chemical name Chemical formula & structure Rf at 229 nm Reference Aliphatic GLS Sinigrin 2-Propenyl CH2 =CH-CH2 - 1.00 [21 ] Gluconapin 3-Butenyl CH2 =CH-CH2 -CH2 - 1.11 [21 ] Glucobrassicanapin 4-Pentenyl CH2 =CH-CH2 -CH2 - CH2 - 1.154 [21 , 22 ] Glucoerucin 4-Methylthiobutyl CH3 -S-CH2 -CH2 -CH2 -CH2 - 0.9 [23 ] Glucoiberin 3-Methylsulfinylpropyl CH3 -SO-CH2 -CH2 -CH2 - 1.07 [21 ] Glucoraphanin 4-Methylsulfinylbutyl CH3 -SO-CH2 -CH2 -CH2 -CH2 - 1.07 [21 ] Glucoalyssin 5-Methylsulfinylpentyl CH3 -SO-CH2 -CH2 -CH2 -CH2 -CH2 - 1.07 [21 ] Progoitrin 2-Hydroxy-3-butenyl 1.09 [21 ] Indole GLS 4-Hydroxyglucobrassicin 4-Hydroxyindol-3-ylmethyl 4-HO-C8 H5 N-CH2 - 0.28 [21 ] Glucobrassicin Indol-3-ylmethyl C8 H6 N-CH2 - 0.29 [21 ] 4-Methoxyglucobrassicin 4-Methoxyindol-3-ylmethyl 4-CH3 O-C8 H5 N-CH2 - 0.25 [21 ] Neoglucobrassicin 1-Methoxyindol-3-ylmethyl 1-CH3 O-C8 H5 N-CH2 - 0.20 [21 ] Aromatic GLS Gluconasturtiin 2-Phenylethyl C6 H5 -CH2 -CH2 - 0.95 [21 ] Glucotropaeolin Benzyl C6 H5 -CH2 - 0.95 [21 ] Sinalbin 4-Hydroxybenzyl 4-HO-C6 H4 -CH2 - 0.4 [21 ] Other desulphated undefined GLS 1.0 [21 , 22 ]
