How does chromatography detect marker compounds in herbs?

Points on how chromatography detect marker compounds in herbs:

• Chromatography is used to identify marker compounds that indicate the therapeutic quality of herbal drugs.
• Each marker produces a distinct chromatographic spot or peak that can be matched with authenticated reference compounds.
• This matching process verifies the presence of the correct medicinal plant and its active chemical constituents.

You might also like importance of chromatography in pharmacognosy to learn more about it.