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Scientific Study from the year 2019 in the subject Biology - Diseases, Health, Nutrition, grade: 10, , course: Biotechnology, language: English, abstract: This paper deals with the biological properties Plectranthus Amboinicus (Lour) Spring. The plant samples of Plectranthus Amboinicus collected from local area of Salem, India during October 2016 were extracted in methanol, ethyl acetate, hexane and aqueous followed by cold percolation method. Phytochemical analysis of plant extracts of Plectranthus Amboinicus (PAME, PAEA, PAHE & PAAE) has confirmed the presence of flavonoid, carbohydrate, tannin, glycoside, protein, alkaloid, fixed oil & fat, amino acid and saponin. Plants have been used to treat human infectious diseases since ancient times; scientific investigations of plant material have clearly proved the therapeutic efficacy of plants over time. Nowadays, many countries use plants to treat different maladies including infectious diseases of the respiratory, gastrointestinal, urinary and biliary systems. Although significant progress has been made in microbiological research and in the control of many diseases caused by infectious organisms such as bacteria, recurrent epidemics due to drug resistant bacteria as well as the appearance of new bacterial pathogenic strains demand the discovery of new antibiotics. The investigation of medicinal plants using frontier technologies is now being reconsidered to be a feasible approach for discovering novel bioactive agents to solve widespread public health problems.