Diet & Nutrition
Bitter orange does not cause false-positive response to CEDIA Amphetamines Assay
Published in Drug Week, June 9th, 2006
According to recent research from the United States, "Bitter orange has recently been substituted as an ingredient in many 'ephedra-free', dietary supplements used for weight loss. The primary active ingredient in bitter orange is synephrine. Previous reports have documented false-positive results from ephedrine with urine amphetamine assays. Because of the similarity in chemical structure of ephedrine and synephrine, it is hypothesized that ingestion of a bitter orange supplement may have the potential to cause false-positive results with urine amphetamine assays."
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Source: Drug Week (2006-06-09)
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