Psidium guajava L: A review

J. V. Kamath, Nair Rahul, C. K. Ashok Kumar, S. Mohana Lakshmi


Psidium guajava L, belonging to the Myrtacea family, has been reported to have anti-diarrheal, hepatoprotective, hypoglycemic, lipid lowering, antibacterial and antioxidant activities. It contains important phytoconstituents such as tannins, triterpenes, fl avonoid: quercetin, pentacyclic triterpenoid:guajanoic acid, saponins, carotenoids, lectins, leucocyanidin, ellagic acid, amritoside, beta-sitosterol,uvaol, oleanolic acid and ursolic acid. In view of the immense medicinal importance of the plant, this review is an eff ort to compile all the information reported on its phytochemical and pharmacological activities. Th e present review is an attempt to generate interest among the masses regarding its immense potential in preventing and treating several common diseases.
Key words: Psidium guajava L, Myrtaceae, quercetin, guajanoic acid

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