INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
Bioactive Compounds, Medicinal Properties and Applications of Aloe  
vera  
Vijay Kumar Chaudhary¹, Niti Kushwaha², Harsh Kumar Garg¹*  
1Department of Chemistry, Dayanand Vedic College, Orai  
2 Department of Botany, Dayanand Vedic College, Orai  
DOI : https://doi.org/10.51583/IJLTEMAS.2026.150100033  
Received: 13 January 2026; Accepted: 20 January 2026; Published: 28 January 2026  
ABSTRACT  
Aloe vera is a perennial, drought-tolerant succulent that belongs to the family Liliaceae, widely valued for its  
therapeutic, nutritional, and cosmetic properties. The objective of this review is to critically summarize the  
chemical composition, medicinal properties, and industrial uses of Aloe vera, with emphasis on its major  
bioactive constituents. A systematic review of peer-reviewed literature, books, and authoritative databases was  
conducted to compile and synthesize information on phytochemistry, pharmacological activities, and  
commercial utilization of Aloe vera.  
The analysis shows that Aloe vera contains numerous biologically active compounds, including saponins,  
minerals, enzymes, sugars, vitamins, lignin, amino acids, anthraquinones, fatty acids, and polysaccharides. The  
leaf pulp comprises a complex mixture of enzymes, proteins, lipids, carbohydrates, and inorganic and organic  
compounds, which collectively contribute to its broad pharmacological profile. Reported studies demonstrate  
anti-inflammatory, antimicrobial, antioxidant, anti-diabetic, anti-aging, laxative, antitumor, wound-healing, and  
immunomodulatory activities. Owing to these properties, Aloe vera is extensively incorporated into  
pharmaceutical formulations, functional foods, nutraceuticals, and cosmetic products for both internal and  
topical applications.  
In conclusion, Aloe vera is a multifunctional medicinal plant of considerable therapeutic and commercial  
significance. Its biological effects are primarily attributed to the synergistic interaction of multiple bioactive  
compounds rather than a single active principle. However, variability in chemical composition arising from  
environmental conditions, cultivation practices, and processing methods poses challenges for standardization  
and quality control. Further well-designed experimental and clinical studies are required to clarify structure–  
function relationships and to ensure the safe, effective, and standardized utilization of Aloe vera in health-  
related industries worldwide and future applications.  
Keywords: Aloe vera, bioactive compounds, medicinal properties, pharmacological activity, cosmetic and  
nutraceutical applications  
INTRODUCTION  
The genus Aloe comprises approximately 500 species belonging to the family Asphodelaceae (Liliaceae),  
among which Aloe vera is the most widely utilized for commercial and medicinal purposes (6, 17, 23). Aloe  
vera contains several biologically active compounds, including enzymes such as carboxypeptidase and  
bradykinin, which are associated with analgesic effects, as well as anti-inflammatory constituents like aloe  
resin I and dihydrocoumarins that exhibit immunomodulatory and antioxidative activities (18, 39).  
Polysaccharides present in Aloe vera play a crucial role in immune stimulation, wound healing, reduction of  
inflammation, repair of radiation-induced damage, and antimicrobial activity against bacteria, viruses, and  
fungi (5, 15, 30). Botanically, Aloe vera is a perennial succulent xerophyte adapted to arid conditions. Its thick,  
fleshy leaves store water within large, thin-walled parenchymatous cells, forming a viscous mucilage that  
enables survival during prolonged droughts [26].  
www.ijltemas.in  
Page 1  
INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
Aloe vera (Aloe barbadensis Miller) is a green perennial herb with bright yellow tubular flowers that is  
extensively distributed in hot and dry areas. “Aloe vera” originates from the Arabic term “Allaeh,” meaning  
“shining bitter substances,” and the term “vera,” meaning “true.” Aloe vera is the most commercially exploited  
species of the genus, and large-scale processing of its leaf pulp has developed into a global industry. Aloe vera  
is a nutraceutical that has been utilized predominantly for decades. It is offered in various health drinks and  
wellness beverages, as well as in capsules/tablets and in gels and creams for external use. In the food sector, it  
is widely used in functional foods and health beverages, while in cosmetics and toiletries, it serves as a base  
ingredient in creams, lotions, soaps, shampoos, and facial cleansers.  
Despite the identification of more than 75 biologically active compounds in Aloe vera gel, the precise  
medicinal role of each component remains unclear (21). Most therapeutic effects are attributed to  
polysaccharides in the inner leaf gel; however, current evidence suggests that the biological activities result  
from a synergistic interaction among multiple compounds rather than a single active principle [14, 27, 28].  
Fresh Aloe vera pulp contains approximately 98.5% water, while the gel or mucilage contains nearly 99.5%  
water (17). The remaining solid fraction includes vitamins, minerals, enzymes, sugars, lignin, phenolic  
compounds, and organic acids (8, 19, 24). Nutritionally, Aloe vera leaves are composed of carbohydrates  
(56.27%), protein (10.50%), fat (1.83%), ash (19.50%), and essential minerals, yielding approximately 290.08  
kcal of energy. Aloe vera powder, rich in dietary fiber, antioxidants, and iron, is widely incorporated into  
Ayurvedic formulations and functional foods (24).  
The World Health Organization recognizes medicinal plants such as Aloe vera as vital resources for drug  
development. High-quality Aloe vera is cultivated in desert regions such as Southern California, where the  
plant tolerates extreme temperatures while maintaining medicinal value (4, 12, 20).  
Chemical Characteristics of Aloe vera  
Aloe vera contains nearly 75 biologically active compounds categorized into anthraquinones, amino acids,  
saponins, enzymes, vitamins, salicylic acid, sugars, minerals, lignin, sterols, and polysaccharides (33).  
Anthraquinones  
Aloe species contain free anthraquinones and their derivatives, including aloin, aloe-emodin, barbaloin,  
anthracene, emodin, anthranol, and aloetic acid. These compounds primarily act as natural purgatives and  
exhibit antiviral, antibacterial, and analgesic activities (25).  
Amino Acids  
Aloe vera provides all essential amino acids—such as isoleucine, leucine, lysine, methionine, phenylalanine,  
threonine, valine, and tryptophan—along with several non-essential amino acids including alanine, arginine,  
cysteine, glutamic acid, glycine, histidine, and proline (.22).  
Saponins and Sterols  
Saponins present in Aloe vera gel possess cleansing and antiseptic properties and demonstrate strong  
antimicrobial activity against bacteria, fungi, viruses, and yeasts [25]. Plant sterols such as campesterol, lupeol,  
cholesterol, and β-sitosterol contribute to anti-inflammatory, analgesic, and antiseptic effects (36).  
www.ijltemas.in  
Page 2  
INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
Enzymes  
Aloe vera contains enzymes such as amylase, lipase, bradykinase, carboxypeptidase, catalase, peroxidase,  
cellulase, and alkaline phosphatase. Bradykinase reduces inflammation, while carboxypeptidase deactivates  
bradykinin, thereby alleviating pain and swelling (3, 35).  
Vitamins  
The gel contains vitamins A, C, and E, which function as antioxidants, along with B-complex vitamins such as  
niacin, riboflavin, choline, and folic acid. These vitamins enhance immune function and protect against  
oxidative stress (13).  
Salicylic Acid  
Salicylic acid, an aspirin-like compound present in Aloe vera, exhibits anti-inflammatory, analgesic,  
antibacterial, and antipyretic activities. Other associated compounds include prostaglandins, tannins, resins,  
lectins, mannins, and gibberellins.  
Sugars  
Aloe vera contains monosaccharides (glucose and fructose) and polysaccharides such as glucomannans, which  
act as immune modulators and moisturizing agents (34, 37).  
Minerals  
The plant is rich in calcium, magnesium, manganese, chromium, copper, potassium, zinc, sodium, and iron,  
which are essential for enzyme activation, insulin function, oxygen transport, bone health, and metabolic  
regulation (11). Trace elements such as rhodium and iridium are also present and are under investigation for  
anticancer potential.  
Lignin  
Lignin in Aloe vera gel serves largely as a penetration enhancer, facilitating the deeper and more effective  
transport of medicinal chemicals into the skin. Lignin, although pharmacologically inactive independently,  
markedly improves the medicinal and cosmetic efficacy of Aloe vera preparations, especially in wound  
healing, burn therapy, and skincare formulations (10).  
Medicinal Significance of Aloe Vera  
Antitumor Activity  
Aloe vera gel exhibits chemopreventive effects and anti-hepatocarcinogenic activity by modulating apoptosis  
pathways (29).  
Anticancer Properties  
Aloe extracts have shown positive effects in cancer treatment, particularly glycoproteins (lectins) and  
polysaccharides like acemannan. Studies highlight their impact on tumor burden reduction, shrinkage,  
necrosis, and increased survival rates across various in vitro models and animal species. Anthraquinones and  
www.ijltemas.in  
Page 3  
INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
aloe-emodin suppress malignant cell proliferation. Aloe-based topical formulations have also reduced  
radiation-induced dermatitis in cancer patients (32).  
Antibacterial Activity  
Aloe vera contains significant antibacterial characteristics due to substances such as anthraquinones, saponins,  
and polysaccharides, which effectively inhibit prevalent pathogens including Staphylococcus aureus,  
Pseudomonas aeruginosa, and Escherichia coli (E. coli).The gel inhibits bacterial growth, including  
Streptococcus pyogenes and Streptococcus faecalis (7).  
Anti-Inflammatory Activity  
The body's reaction to injury is termed inflammation, and it manifests as swelling, discomfort, redness, heat,  
and loss of function. Bradykinase, C-glucosyl chromone, and sterols in Aloe vera gel extract contribute to its  
potent anti-inflammatory and analgesic effects (9).  
Anti-Aging Property  
Mucopolysaccharides in Aloe vera enhance skin hydration, elasticity, and collagen synthesis, reducing  
erythema and wrinkles (38).  
Antiseptic Property  
Compounds such as cinnamic acid, phenols, salicylic acid, lupeol, sulfur, nitrogen, and urea provide broad  
antiseptic action against microbes (16).  
Anti-Diabetic Activity  
Phytosterols and polysaccharides exhibit hypoglycemic activity by enhancing insulin secretion and sensitivity  
(29).  
Laxative Effect  
Anthraquinones stimulate intestinal peristalsis and mucus secretion, promoting bowel movement. Aloin A and  
B are metabolized into aloe-emodin anthrone, the active laxative principle (25).  
Cosmetic Applications of Aloe Vera  
Aloe vera is extensively used in cosmetic formulations due to its antioxidant content, including vitamins C and  
E, flavonoids, and phenolic compounds. These constituents neutralize free radicals responsible for skin aging  
and damage (31). Aloe vera-based products provide soothing, moisturizing, toning, protective, and healing  
effects and are effective in managing skin disorders such as psoriasis, shingles, burns, wounds, and itching (1).  
CONCLUSIONS  
Aloe vera has been used for centuries as a medicinal plant with extensive therapeutic applications. Although  
many of its biological activities are attributed to polysaccharides in the leaf gel, the precise association  
between individual compounds and specific therapeutic effects remains unclear. Variations in plant  
composition due to environmental factors, extraction methods, and processing techniques contribute to  
inconsistencies in reported chemical profiles and biological activities.  
Nevertheless, Aloe vera remains a potent natural resource, rich in enzymes, sugars, fatty acids, amino acids,  
minerals, and bioactive compounds. Its diverse pharmacological properties include anti-inflammatory,  
antioxidant, antimicrobial, anti-diabetic, antitumor, laxative, hepatoprotective, analgesic, and anti-aging  
effects. Due to this multifaceted therapeutic potential, Aloe vera continues to play a vital role in  
pharmaceuticals, nutraceuticals, cosmetics, and traditional medicine.  
www.ijltemas.in  
Page 4  
INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
REFERENCES  
1. Agarwal, S., & Sharma, T. R. (2011). Multiple biological activities of Aloe barbadensis (Aloe vera).  
2. Amin, K., Ozgen, S., & Selamoglu, Z. (2018). Aloe vera: A miracle plant with its wide-ranging  
applications. Pharmaceutical and Pharmacology International Journal, 6(1), 00144–9.  
3. Alpana, S., & Singh, A. K. (2009). Optimization of processing variables for the preparation of herb  
bread using Aloe vera gel. Journal of Food Science and Technology (Mysore), 46(4), 335–338.  
4. Aro, A. A., Nishan, U., Perez, M. O., Rodrigues, R. A., Foglio, M. A., Carvalho, J. E., Gomes, L.,  
Vidal, B. C., & Pimentel, E. R. (2012). Structural and biochemical alterations during the healing  
process of tendons treated with Aloe vera. Life Sciences, 91(17–18), 885–893.  
5. Banu, A., Sathyanarayana, B., & Chattannavar, G. (2012). Efficacy of fresh Aloe vera gel against  
multidrug-resistant bacteria in infected leg ulcers. Australasian Medical Journal, 5(6), 305–309.  
6. Bawankar, R., Deepti, V. C., Singh, P., Subashkumar, R., Vivekanandhan, G., & Babu, S. (2012).  
Evaluation of bioactive potential of an Aloe vera sterol extract. Phytotherapy Research.  
7. Bhat, G., Kudva, P., & Dodwad, V. (2011). Aloe vera: Nature’s soothing healer to periodontal disease.  
Journal of Indian Society of Periodontology, 15(3), 205–208.  
8. Boudreau, M. D., & Beland, F. A. (2006). An evaluation of the biological and toxicological properties  
of Aloe barbadensis (Miller), Aloe vera. Journal of Environmental Science and Health, Part C, 24, 103–  
154.  
9. Calixto, J. (2000). Efficacy, safety, quality control, marketing and regulatory guidelines for herbal  
medicines (phytotherapeutic agents). Brazilian Journal of Medical and Biological Research, 33(2),  
179–189.  
10. Chen, S., Jiang, H., Wu, X., & Fang, J. (2016). Therapeutic effects of quercetin on inflammation,  
obesity, and type 2 diabetes. Mediators of Inflammation, 1–6.  
11. Chen, Y. F., Yang, C. H., Chang, M. S., Ciou, Y. P., & Huang, Y. C. (2010). Foam properties and  
detergent abilities of the saponins from Camellia oleifera. International Journal of Molecular Sciences,  
11(11), 4417–4425.  
12. Choi, S. W., Son, B. W., Son, Y. S., Park, Y. I., Lee, S. K., & Chung, M. H. (2001). The wound-healing  
effect of a glycoprotein fraction isolated from Aloe vera. British Journal of Dermatology, 145(4), 535–  
545.  
13. Coats, B. C. (1979). Hypoallergenic stabilized Aloe vera gel (U.S. Patent No. 4,178,372).  
14. Dagne, E., Bisrat, D., Viljoen, A., & Van Wyk, B. E. (2000). Chemistry of Aloe species. Current  
Organic Chemistry, 4, 1055–1078.  
15. Das, S., Mishra, B., Gill, K., Ashraf, M. S., Singh, A. K., Sinha, M., Sharma, S., Xess, I., Dalal, K.,  
Singh, T. P., & Dey, S. (2011). Isolation and characterization of a novel protein with antifungal and  
anti-inflammatory properties from Aloe vera leaf gel. International Journal of Biological  
Macromolecules, 48(1), 38–43.  
16. El Zawahry, M., Hegazy, M. R., & Helal, M. (1973). Use of Aloe in treating leg ulcers and dermatoses.  
International Journal of Dermatology, 12(1), 68–73.  
17. Eshun, K., & He, Q. (2004). Aloe vera: A valuable ingredient for the food, pharmaceutical and  
cosmetic industries—A review. Critical Reviews in Food Science and Nutrition, 44(2), 91–96.  
18. Farahnejad, Z., Ghazanfari, T., & Yaraee, R. (2011). Immunomodulatory effects of Aloe vera and its  
fractions on response of macrophages against Candida albicans. Immunopharmacology and  
Immunotoxicology, 33(4), 676–681.  
19. Foster, S. (1999). Tyler’s honest herbal: A sensible guide to the use of herbs and related remedies.  
Haworth Herbal Press.  
20. Hamman, J. H. (2008). Composition and applications of Aloe vera leaf gel. Molecules, 13, 1599–1616.  
https://doi.org/10.3390/molecules13081599  
21. Habeeb, F., Shakir, E., Bradbury, F., Cameron, P., Taravati, M. R., Drummond, A. J., Gray, A. I., &  
Ferro, V. A. (2007). Screening methods used to determine the antimicrobial properties of Aloe vera  
inner gel. Methods, 42, 315–320.  
22. Joseph, B., & Raj, S. J. (2010). Pharmacognostic and phytochemical properties of Aloe vera Linn.: An  
overview. International Journal of Pharmaceutical Sciences Review and Research, 4(2), 106–110.  
www.ijltemas.in  
Page 5  
INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,  
MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)  
ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue I, January 2026  
23. Klein, A. D., & Penneys, N. S. (1988). Aloe vera. Journal of the American Academy of Dermatology,  
18(4), 714–720.  
24. Lanjhiyana, S., Garabadu, D., Ahirwar, D., Bigoniya, P., Rana, A. C., & Patra, K. C. (2011).  
Antihyperglycemic potential of Aloe vera gel in experimental animal models. Annals of Biological  
Research, 2(1), 17–31.  
25. Mahor, G., & Ali, S. A. (2016). Recent update on the medicinal properties and use of Aloe vera in the  
treatment of various ailments. Bioscience Biotechnology Research Communications, 9(2), 273–288.  
26. Newton, L. E. (2004). Aloes in habitat. In T. Reynolds (Ed.), Aloes: The genus Aloe (pp. 3–36). CRC  
Press.  
27. Ni, Y., & Tizard, I. R. (2004). Analytical methodology: The gel-analysis of aloe pulp and its  
derivatives. In T. Reynolds (Ed.), Aloes: The genus Aloe (pp. 111–126). CRC Press.  
28. Ni, Y., Turner, D., Yates, K. M., & Tizard, I. (2004). Isolation and characterization of structural  
components of Aloe vera L. leaf pulp. International Immunopharmacology, 4, 1745–1755.  
29. Noor, A., Gunasekaran, S., Manickam, A. S., & Vijayalakshmi, M. (2008). Antidiabetic activity of Aloe  
vera and histology of organs in streptozotocin-induced diabetic rats. Current Science, 94(8), 1070–  
1076.  
30. Pandey, R., & Mishra, A. (2010). Antibacterial activities of crude extract of Aloe barbadensis to  
clinically isolated bacterial pathogens. Applied Biochemistry and Biotechnology, 160(5), 1356–1361.  
31. Periasamy, G., Kassa, S., Sintayehu, B., G/libanos, M., Geremedhin, G., & Karim, A. (2014). Cosmetic  
use of Aloe vera—A review. World Journal of Pharmacy and Pharmaceutical Sciences, 3(5), 342–458.  
32. Rao, S., Hegde, S. K., Baliga-Rao, M. P., Palatty, P. L., George, T., & Baliga, M. S. (2017). An Aloe  
vera-based cosmeceutical cream delays and mitigates ionizing radiation-induced dermatitis. Medicines,  
4(3), 44.  
33. Sahu, P. K., Giri, D. D., Singh, R., Pandey, P., Gupta, S., & Shrivastava, A. K. (2013). Therapeutic and  
medicinal uses of Aloe vera: A review. Pharmacology & Pharmacy, 4(8), 599–610.  
34. Sheets, M. A., Unger, B. A., Giggleman, G. F., & Tizard, I. R. (1991). Studies of the effect of  
acemannan on retrovirus infections. Molecular Biotherapy, 3, 41–45.  
35. Shelton, M. S. (1991). Aloe vera: Its chemical and therapeutic properties. International Journal of  
Dermatology, 30, 679–683.  
36. Sharrif, M., & Verma, S. K. (2011). Aloe vera: Chemical composition and applications. International  
Journal of Biological and Medical Research, 2(1), 466–471.  
37. Urjushe, A., Vasani, R., & Saple, D. G. (2008). Aloe vera: A short review. Indian Journal of  
Dermatology, 53(4), 163–166.  
38. West, D. P., & Zhu, Y. F. (2003). Evaluation of Aloe vera gel gloves in the treatment of dry skin  
associated with occupational exposure. American Journal of Infection Control, 31(1), 40–42.  
39. Zhang, X. F., Wang, H. M., Song, Y. I., Nie, L. H., Wang, L. F., Liu, B., Shen, P. P., & Liu, Y. (2006).  
Isolation, structure elucidation, antioxidative and immunomodulatory properties of two novel  
dihydrocoumarins from Aloe vera. Bioorganic & Medicinal Chemistry Letters, 16(4),  
www.ijltemas.in  
Page 6