What is the primary reason that wild lettuce compounds do not trigger a positive opiate result in an immunoassay test?
Answer
The chemical structures in wild lettuce do not match the specific target structures that testing antibodies are calibrated to bind to.
Immunoassay tests rely on antibodies that act like locks, designed to bind specifically to the molecular structures of target drugs like morphine or codeine. Because the chemical structures of the compounds in wild lettuce, such as lactucin, are completely different, they do not trigger these antibodies, making a cross-reaction extremely unlikely.

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