Aloe vera (Aloe barbadensis Miller) is a perennial succulent
belonging to the Liliaceal family, and it is a cactus-like plant that
grows in hot, dry climates [20]. Aloe vera gel is the colorless gel
contained in the inner part of the fresh leaves [21]. The chemical
composition of aloe plants is largely dependent on the species ana-
lyzed. A prominent feature of Aloe vera filet is its high water con-
tent, ranging from 98.5% to 99.5% of fresh matter. The remaining
0.5–1% solid material consists of a range of compounds including