Verb (used with object) : to adulterate food.    From Dictionary.com. 

One Marwari = the neighbourhood foodstuffs adulterator.    From Wordnik.com.  [Why are South Indians so smart?] Reference

John McCain,is a low-life adulterator,and where are his kids,from his first wife.    From Wordnik.com.  [Time for John McCain to turn up the heat] Reference

Bhagwan Dass is an extortionate and an adulterator.    From Wordnik.com.  [The Lock and Key Library Classic Mystery and Detective Stories: Modern English] Reference

A grocer, a lucky adulterator, now took the place of the former ecclesiastical governor of an institution called in former times.    From Wordnik.com.  [The Lesser Bourgeoisie] Reference

Just as the manufacturer of honest foods is driven out by the adulterator, so the worker of miracles drives out the sincere investigator.    From Wordnik.com.  [The Profits of Religion, Fifth Edition] Reference