A figure that is derived from the natural source by the plants and other living organisms is named as natural product. These natural products play a vital role in health care and curing of diseases. Atropine which is obtained from atropa belladonna, acts as a CNS stimulant. According to a recent survey conducted by WHO, about 121 drugs are from natural sources which are derived either directly or indirectly from plant.
The global market for botanical and plant-derived drugs was valued at $23.2 billion in 2013 and $24.4 billion in 2014. The entire market is expected to reach $25.6 billion in 2015 and nearly $35.4 billion in 2020, with a compound annual growth rate (CAGR) of 6.6% from 2015 to 2020.