Medicinal plants have been identified and used throughout human history. Plants make many chemical compounds that are for biological functions.

Biological Source: Murraya Coenigii Family Name : , Rutaceae	Biological Source: Citrus Lemon Family Name : , Rutaceae
Biological Source: Alpinia Ottcinarum Family Name : Zingiberaceae	Biological Source: Terminaalia Catappa Family Name : Combretaceae
Biological Source: Phyllanthus Emblica Family Name : Phyllanthaceae	Biological Source: Mangifera Indica Family Name : AnacardiaceaeCitrus Lemon
Biological Source:Aloeveera Family Name :Liliaceae	Biological Source: Cymbopogon Family Name : SChoenanthus