A Review on Phytochemical, Biological, and Pharma-cological Effects of Psidium guajava Linn. (Guava)

Abstract

In today’s time there is a tremendously increased use of herbal products worldwide. Psidium guajava L., commonly known as guava, is an essential tropical food plant with various medicinal properties. It is widely available in many countries, especially in Asian countries it is used as a treatment for many diseases. Each plant part has particular properties to treat diseases. The bioactive constituents extracted from Psidium guajava (P. guajava) include (gallic acid, catechin, rutin, Gallocatechin, vanillic acid, quercetin, p-hydroxybenzoic acid, isoquercitrin, casuarina, pedunculagin dimer isomer, myricetin, morin, luteolin, apigenin, ellagic acid, guanosine B, Quercetin-3-0-β-glucoside, ursolic acid and also essential oils) used for the treatment of diseases like anti-diabetes, anti- hypertension, anti- hyperlipidaemia, anti-cancer, autonomous, neuroprotective, anti-depressant, etc. The goal of this review is to provide up-to-date information on the ethnomedicinal uses, bioactive compounds and pharmacological activity of Psidium guajava with greatest emphasis on its therapeutic potential.