Chemoprotectants From Crucifer Seeds And Sprouts
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Abstract
The present invention is directed to chemoprotectant precursor compositions provided from crucifer seeds and sprouts and methods for their preparation. Treatment of aqueous extracts from crucifer seeds or sprouts with adsorbents substantially increases the ratio of certain highly chemoprotectant precursor compounds (alkyl glucosinolates such as glucoraphanin, a.k.a. sulforaphane glucosinolate) to undesirable compounds such as indole glucosinolates (for example 4-hydroxyglucobrassicin). The method provides an extract which has a ratio of glucoraphanin to 4-hydroxyglucobrassicin of about 70 or greater. The resulting extract has improved color and odor and may be dried or used directly as an additive in a variety of foodstuffs.
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Citations
30 Claims
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1-14. -14. (canceled)
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15. A chemoprotectant precursor enhanced extract containing crucifer seeds or sprouts formed by a process comprising:
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forming an aqueous extract of crucifer seeds or sprouts; contacting the aqueous extract with an adsorbent; and separating the adsorbent from the aqueous extract to provide the chemoprotectant precursor enhanced extract, the method effective for providing a number ratio of alkyl glucosinolates to indole glucosinolates of at least about 30 in the chemoprotectant precursor enhanced extract. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification