| Class | Compound |
|---|---|
| Anthraquinones/anthrones | Aloe-emodin, aloetic-acid, anthranol, aloin A and B (or collectively known as barbaloin), isobarbaloin, emodin, and ester of cinnamic acid |
| Carbohydrates | Pure mannan, acetylated mannan, acetylated glucomannan, glucogalactomannan, galactan, galactogalacturan, arabinogalactan, galactoglucoarabinomannan, pectic substance, xylan, and cellulose |
| Chromones | 8-C-glucosyl-(2’-O-cinnamoyl)-7-O-methylaloediol A, 8-C-glucosyl-(S)-aloesol, 8-C-glucosyl-7-O-methyl-(S)- aloesol, 8-C-glucosyl-7-O-methylaloediol, 8-C-glucosylnoreugenin, isoaloeresin D, isorabaichromone, and neoaloesin A |
| Enzymes | Alkaline phosphatase, amylase, carboxypeptidase, catalase, cyclooxidase, cyclooxygenase, lipase, oxidase, phosphoenolpyruvate carboxylase, and superoxide dismutase |
| Inorganic minerals | Calcium, chlorine, chromium, copper, iron, magnesium, manganese, potassium, phosphorous, sodium, and zinc |
| Vitamins | B1, B2, B6, C, E, and folic acid |
| Miscellaneous, including organic compounds and lipids | Arachidonic acid, γ-linolenic acid, steroids (campesterol, cholesterol, β-sitosterol, triglycerides, triterpenoid, gibberellin, lignins, potassium sorbate, salicylic acid, uric acid, β-carotene, and choline |
| Amino acids | Alanine, arginine, aspartic acid, glutamic acid, glycine, histidine, hydroxyproline, isoleucine, leucine, lysine, methionine, phenylalanine, proline, threonine, tyrosine, and valine |
| Proteins | Lectins and lectin-like substance |
| Saccharides | Mannose, glucose, L-rhamnose, and aldopentose |
Sources: Vogler, B., and E. Ernst. 1999. Br J Gen Pract 49:823–28; Dagne, E., D. Bisrat, A. Viljoen, and B. E. Van Wyk. 2000. Curr Org Chem 4:1055–78; Choi, S., and M. H. Chung. 2003. Semin Integr Med 1:53–62; International Aloe Science Council. 2004. http://www
From: Chapter 3, Evaluation of the Nutritional and Metabolic Effects of Aloe vera
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