Abstract Title:

[Sulforaphane (1-isothiocyanato-4-(methylsulfinyl)-butane) content in cruciferous vegetables].

Abstract Source:

Pediatr Dermatol. 2006 Sep-Oct;23(5):484-7. PMID: 19480351

Abstract Author(s):

Olga N Campas-Baypoli, Carolina Bueno-Solano, Diana M Martínez-Ibarra, Francisco Camacho-Gil, Alma G Villa-Lerma, Jesús R Rodríguez-Núñez, Jaime Lóez-Cervantes, Dalia I Sánchez-Machado

Article Affiliation:

Instituto Tecnológico de Sonora, Cd. Obregón, Sonora, México.


Sulforaphane (1-isothiocyanato-4-(methylsulfinyl)-butane) content in cruciferous vegetables. Sulforaphane is an isothiocyanate which has antimicrobial and anticarcinogenic properties, this compound is found in a wide variety of plants from genus Brassica oleracea, being the most important broccoli and cabbage. The objective of this research was to quantify sulforaphane in the edible parts of broccoli and cabbage leaves by high-performance liquid chromatography (HPLC). Sample preparation for the quantification of sulforaphane include the conversion of glucoraphanin to sulforaphane (45 +/- 2 degrees C for 2.5 h), extracted with dichloromethane, purification of the extract in columns of solid phase extraction and detection by HPLC- UV. Sulforaphane concentration in broccoli is in the range of 214 microg/g DW (stems) to 499 microg/g DW (inflorescences). The purple cabbage (101.99 microg/g DW) has values greater than the green cabbage (7.58 microg/g DW). The inflorescences of broccoli and red cabbage leaves are rich in sulforaphane.

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