Geographical variation in fresh Aloe ferox leaf exudate of which the dried product is commercially known as Cape Aloes, was investigated throughout the natural distribution range of the species. The composition of the major compounds is remarkably invariable, with aloeresin A, aloesin, and aloin
The genus Aloe comprises over 400 species of flowering succulent plants. Aloe leaves are used in the treatment of asthma, gastrointestinal ulcers, cardiovascular disease, tumors, burns, and diabetes. They are rich in anthraquinones, such as aloin, aloe-emodin, chrysophanol, aloinoside A, and