from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A bitter yellow crystalline compound obtained from certain aloes and having laxative properties. Its use in laxatives was banned in the United States in 2002.
from The Century Dictionary.
- noun A crystalline bitter principle obtained from aloes in pale-yellow prismatic needles, grouped in stars.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A bitter purgative principle in aloes.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun pharmacology A
glycosidederivative of anthracene, found in aloe, that is used as a laxative.
from The American Heritage® Dictionary of the English Language, 4th Edition
The active principle in aloes is aloin; of jalap, jalapin; of white hellebore, veratria; and of colchicum, colchicin.
Doan's Dinner Pills contain two drastic purgatives, podophyllin and aloin.
The sap contained within each of the offsets of the aloe vera plant is rich in aloin and a number of rare minerals.
(Koch A. "Investigations of the laxative action of aloin in the human colon."