Speciation of selenium compounds from high selenium broccoli is affected by the extracting solution.

Abstract

The speciation of selenium compounds from high selenium broccoli (876 microg/g) depends on the extraction conditions. Twenty-seven extraction conditions were explored involving nine different buffering systems between pH 1 and pH 9. In nonbuffered extractions of broccoli, more than 40% of the spiked Se-methylselenocysteine was not recovered in the filtered… (More)

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