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, and in another 17 species at indeterminate levels [Reynolds, 1995b].

What is the meaning of Barbaloin?

Medical Definition of barbaloin

: a yellow crystalline compound C₂₀H₁₈O₉ isolated from aloin.

Is aloin safe to use?

There are no 'safe' dosages. Concentrations of aloin vary throughout the plant and results may be unpredictable when consuming even a single portion.