<prompt> All are adulterants of heroin, exceptChalk powderQuinineCharcoalFructose  <response>: Adulterants of heroin are sucrose, dextrose, fructose, lactose, mannitol, starches, inositol, chalk powder, milk powder, talcum powder, flour, quinine, procaine, lidocaine, acetyl procaine, methaphyrilene and caffeine. 