Dereplication of phytochemicals in plants by LC-ESI-MS and ESI-MSn

Dereplication Study on Glaucium Aleppicum Boiss. in Jordan

“…The fast identification of known compounds present in a mixture is very important for rapid discovery of novel natural products, this is called dereplication. Dereplication speed up the discovery of lead compounds and saves time and resources [6][7][8][9] . Dereplication strategy normally combines chromatographic and spectroscopic methods and searching in database to discriminate between previously isolated compounds, and new compounds at the level of the crude extract [6][7][8][9] .…”

“…Dereplication speed up the discovery of lead compounds and saves time and resources [6][7][8][9] . Dereplication strategy normally combines chromatographic and spectroscopic methods and searching in database to discriminate between previously isolated compounds, and new compounds at the level of the crude extract [6][7][8][9] . Traditional natural drugs revelation programs utilize bioactivity-directed fractionation approaches to segregate, sanitize and describe bioactive lead compounds from crude extracts, wherein the bioassay results drive the purification processes.…”

“…Traditional natural drugs revelation programs utilize bioactivity-directed fractionation approaches to segregate, sanitize and describe bioactive lead compounds from crude extracts, wherein the bioassay results drive the purification processes. This process is often stodgy, costly, and time consuming; moreover, it may end up with isolation of a previously known bioactive compound; thus yielding no net earning [6][7][8][9][10][11][12][13] . To speed up drug discovery timelines of new biologically active natural products.…”

“…To speed up drug discovery timelines of new biologically active natural products. It is of great importance to discriminate between previously isolated, known compounds and new compounds, at the level of the crude extract 6,7,811,12 . Dereplication is an essential component of natural products studies, It is used to make sure that resources are expended on only the most promising samples and avoid the tedious isolation of known constituents, which are those most likely to yield bioactive and structurally unique compounds [13][14][15][16][17] .…”

“…Dereplication is an essential component of natural products studies, It is used to make sure that resources are expended on only the most promising samples and avoid the tedious isolation of known constituents, which are those most likely to yield bioactive and structurally unique compounds [13][14][15][16][17] . As a result, some molecular masses and the corresponding fragmentations do not correlate with any known compounds, thus revealing potentially novel natural products that could be investigated on a larger scale and could completely find application as new drugs 6 . Using molecular masses, their fragmentation patterns, the suitable database and LC-retention times, it is possible to dereplicate some alkaloid compounds by their structural elucidation when compared with known structures of natural origin 6 .…”