1. a bitter yellow compound found in aloe plants, formerly used as a laxative.
Usage: chemistry; pharmacology

Examples

• Aloin is the active ingredient that gives aloe its laxative properties.
• The pharmaceutical industry once extracted aloin from aloe vera for use in over-the-counter remedies.
• Aloin has a distinctly bitter taste and yellow color.
• Modern regulations have restricted the use of aloin in consumer products due to safety concerns.
• Scientists study aloin to understand how plant compounds affect human digestion.