Abstract
The genus Aloe (family: Xanthorrhoeaceae) encompasses 490 shrubby-succulent-perennial species which are native to Africa. Among these, Aloe vera has grabbed the limelight in the arena of herbal medicine due to the presence of unique phytochemicals such as Aloin A and B, Homonataloin, Aloe emodin, acemannan etc. in its latex. Moreover, its leaf extract contains 99% water, and 75 active compounds including vitamins (A, B1, B2, B3, B6, B9, B12, C, and E), minerals (Zn, Se, Na, Mn, Mg, K, Cu, Cr, Ca), amino acids, and enzymes (peroxidase, lipase, cellulase, catalase, carboxypeptidase, bradykinase, amylase, alkaline phosphatase). Thus, Aloe vera is revered as a ‘wonder plant’ as it possesses multiple pharmaceutical properties such as anti-oxidant, anti-inflammatory, anti-tumor, anti-fungal, anti-diabetic, anti-ulcer, anti-hypertensive and its juice helps to cure gastrointestinal disorders, and dermal diseases, it also strengthens the immune system. Being a xerophyte, Aloe vera is commercially cultivated in many countries which include South Africa, America, Australia, India etc. The Aloe gel, is meticulously extracted, processed and stabilized before using it in preparation of various health care products. This review focuses on the explicit information on origin, botanical description, phytochemistry, nutritional and medicinal benefits, with special emphasis on value-added products of Aloe vera. The review revealed 46 value-added Aloe-products that are being manufactured by different companies worldwide. Thus, sustainable Aloe-cultivation must be ensured to meet the rising global demands for Aloe vera gel and allied products.
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