Perera,K. Sarath DTheeshya Dulmini,A.D2025-02-162025-02-162023-06https://dr.ichemc.ac.lk/handle/123456789/205Guest Articles Page 46-50Chemicals produced in plants due to secondary metabolic pathways are known as phytochemicals [5]. Onion bulb and other parts including leaves contain various phytochemicals belong to alkaloids, flavonoids, tannins, saponins etc.enOnionsSpeciesPhytochemicalsArticle