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Isolation and Identification of Bioactive Organosulfur Phytochemicals from Solvent Extract of Broccoli

브로콜리 용매추출물의 Bioactive Organosulfur 화합물의 분리 및 동정

  • Published : 2003.04.01

Abstract

Bioactive organosulfur phytochemicals were isolated from fresh broccoli using methlylene chloride as an extract solvent and identified by GC/MSD analyses. Major organosulfur phytochemicals of broccoli extract were found to be isothiocyanates, which constitute 40.42% of total phytochemicals. The isothiocyanates from broccoli extract were identified to be 3-butenyl, 4-methyl thiobutyl, 4-methylthio-3-butenyl, 5-methylthiopentyl, 2-phenylethyl, 3-methyl sulfinyl propyl, and 4-methylsulfinylbutyl isothiocyanates, of which major isothio cyanates were 3 butenyl isothiocyanate and 4-methylsulfinylbutyl isothiocyanate, constituting about 38.55% of total isothiocyanates present in the solvent extract. Also, nitrites, corresponding to products from enzymatic hydrolysis of glucosinolates were identified as 4-methylthiobutyl, 5-methyl thiopentyl, 2-phenylethyl and 4-methylsulfinylbutyl nitrile. In addition, three sulfides were identified as dimethyl disulfide, dimethyl trisulfide and dimethyl tetrasulfide.

브로콜리 중의 bioactive organosulfur phytochemicals를 분석하기 위해 브로콜리를 용매추출하여 GC/MSD에 의해 분리동정하였다. 브로콜리에 함유된 phytochemicals 중에서 isothiocyanate류가 40.42%로 대부분을 차지하였으며, glucosinolate분해산물인 nitrile류는 5.12%로 isothiocyanate류에 비해 적었고, sulfide류는 0.84%로 매우 적었다. 분리 동정된 isothiocyanate류의 종류로는 3-butenyl 4-methtlthiobutyl, 4-methrlthio -3- butenyl, 5- methylthiopentyl, 2- phenylethyl, 3-methylsulfinyl propyl 및 4-methylsulfinylbutyl isothiocyanate의 7종이었다. Isothiocyanate류 중에서 3-butenyl isothiocynate는 22.05%로 가장 많았으며, 그 다음으로 sulforaphane 16.50%로 2종의 isothiocyanate가 대부분을 차지하였다. Nitrile의 종류는 4-methylthiobutyl, 5-methylthiopentyl, 2-phenylethyl 및 4-methylsulfinylbutyl nitrile의 6종류가 확인되었다. 한편, 동정된 sulfide종류로는 dimethyl disulfide, dimethyl trisulfide 및 dimethyl tetrasulfide이었다.

Keywords

References

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