Phyto chemistry and Pharmacognosy

The study of phytochemicals (chemicals which are derived from plants ) is Phytochemistry. Those who are studying phytochemistry try to describe the structure of large number of secondary metabolic compounds present in plants, the role of these compounds in human and plant biology, and the biological synthesis of these compounds. Plants make phytochemicals for various reasons like protecting themselves from insects attack and diseases. Phytochemicals that are present in edible plants are often active in human biology. In several cases they show  health benefits. The compounds found in plants are many types, but they all fall into these four major biochemical classes which are alkaloids,  polyphenols, glycosides and terpenes.

While the study of drugs with medicinal properties that are derived from natural sources like plants is Pharmacognosy, which properly means "the study of the chemical, physical, biochemical and biological properties of drugs, drug substances or drug substances or potential drugs of natural origin as well as the discovery of new drugs from natural sources". It is also termed as study of crude drugs.

Phytochemistry is the sub-fields of chemistry or botany. Activities can be led in the wild or botanical gardens with the aid of ethno-botany. Techniques  used in the field of phytochemistry are isolation, extraction and structural elucidation of natural products, as well as various chromatography techniques (HPLC, MPLC and LC-MS)

  • Comparative phytochemistry, its history, concepts, applications and methods
  • Natural products chemistry in drug discovery
  • Isolation and structure determination of natural products
  • Analysing pharmacogenomics studies
  • Phytotherapy
  • Herbs and botanicals as dietary supplements
  • Ethnopharmacy

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