adulterated       
adjective uk/əˈdʌl.tə.reɪ.tɪd/ us/əˈdʌl.tə.reɪ.t̬ɪd/
 (在饮食中)掺杂的,掺假的
Adulterated foods or drugs have been made weaker or worse in quality, especially by having something added to the them.
  There has been a government crackdown on adulterated animal feed. 政府一直在打击掺杂动物饲料的生产。 
 The company was accused of distributing adulterated food. 该公司被指控分销掺假食品。 
 See: adulterate
 - More examples
 - Customers may unwittingly be eating adulterated chicken.
 - Some websites may be selling adulterated drugs.
 - An adulterated blood thinner put a spotlight on the safety of drugs manufactured abroad.