Citation:
ZHOU Jin-Lan, YU Kai-Chao. Purification and Antitumor Activity of Major Glucosinolates Separated from Brassica Oleracea Rapeseed[J]. Chinese Journal of Applied Chemistry,
;2005, 22(10): 1075-1078.
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A procedure for the preparative isolation of 1-S-[(1Z)-3-hydroxy-1-[(sulfooxy) imino]-4-(pentenyl)]-1-thio-β-D-glucopyanose,potassium salt(progoitrin) from Brassica oleracea rapeseed is reported.The glucosinolates were extracted from Brassica oleracea rapeseed with a 70% methanol solution;then,the extractives were separated and purified to get the glucosinolates on chromatographic column with alumina support;and finally,the glucosinolates were purified by reverse-phase octadecyl(C18) silica support,and progoitrin was obtained as the major content of glucosinolate.The structure of progoitrin was identified on the basis of its physicochemical properties,UV,IR,1H NMR and elemental analysis.Its purity was determined by high performance liquid chromatographic(HPLC) method.The anticarcinogenic effects of mixed glucosinolate and pure progoitrin were measured.The experimental results show that when a dose of 60 mg/kg was administrated,the ratio of inhibitory to S180 sarcoma was 67.3% and 59.5% for mixed glucosinolates and pure progoitrin,respectively.This study suggests that both the mixture of glucosinolates and pure progoitrin in Brassica oleracea rapeseed have potential anticarcinogenic effect as chempreventive agents.
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