Simplify the following text for a Grade 11 native English-speaking person.
Original: Cultivation and trade then spread to Nuremberg , where epidemic levels of saffron adulteration brought on the Safranschou code , under which saffron adulterators were fined , imprisoned , and executed .
Simplified: Cultivation and trade then spread to Nuremberg , where epidemic levels of saffron adulteration brought on the Safranschou code . Under this law under saffron adulterers were fined , imprisoned , and executed .