1) Traditional medicine 
Alhandal was a term used in Arabian pharmacy for the purgative extract of colocynth, or Bitter Cucumber (Citrullus colocynthis). ==Characteristics== The Troches of Alhandal, or Trochisci Alhandalæ, were a kind of troche, or tablet, composed of colocynth, bdellium, and gum tragacanth. They were esteemed good purgatives, and used on diverse occasio...