Patent ID: 9603828
Date: 2017-03-28
CPC Classifications: A61K,A61P,B82Y,C07C,C08B,C08L

Claim:
1. A method of isolating sulforaphane and/or a sulforaphane analog from a natural source thereof, the method comprising: a) mixing the natural source of sulforaphane and/or sulforaphane analog, or an extract prepared from the natural source, wherein the purity of the sulforaphane and/or the sulforaphane analog in the extract is less than 75%, with cyclodextrin in a suitable solvent and with or without heat; b) cooling the mixture to a temperature within the range of −10° C. to +25° C. to promote the formation of a precipitate of a complex between the sulforaphane or sulforaphane analog and the cyclodextrin; and c) collecting the precipitate formed.