Outbreaks of methanol poisoning have occurred when methanol is used to adulterate moonshine (bootleg liquor). Poppyseed oil was used to adulterate olive oil and peach kernel oil. Lidocaine is commonly used to adulterate or mimic cocaine due to its local anaesthetic effect. They are also sometimes used to supplement or adulterate more expensive rose oils. "M. argentea", are sometimes used to adulterate nutmeg as a spice. In its native range, it has been a source of latex used to adulterate chicle. It is also used to adulterate Gum tragacanth due to their similar physical characteristics. In the late 19th century, used coffee grounds were used to adulterate pure coffee.