The substances with a chemical moiety are derived from plants known as phytochemicals. The detailed study of these phytochemicals is called as phytochemistry. These phytochemicals have protective and disease curable properties. Some analytical techniques are applied to know the concentration of these chemical constituents such as namely Spectroscopy, Chromatography, X-Ray Crystallography are the technique that helps in detection and study of phytochemicals.
The global market for botanical and plant-derived drugs was valued at $23.2 billion in 2013 and $24.4 billion in 2014. Complete 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.