Bitter purgative

• Medicinal plant extract
• Crystalline substance
• Medicine from aloes
• Bitter drug
• Crystalline medicine
• Crystalline drug
• Medicine prepared from the aloe

Wiktionary Word definitions in Wiktionary
n. (context pharmaceutical drug English) A glycoside derivative of anthracene, found in aloe, that is used as a laxative.

Wikipedia Word definitions in Wikipedia
Aloin , also known as barbaloin , is a bitter, yellow-brown colored compound noted in the exudate of at least 68 Aloe species at levels from 0.1 to 6.6% of leaf dry weight (making between 3% and 35% of the total exudate) (Groom & Reynolds, 1987), and in ...