Page 11 - 2018 SP Product Guide
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MediHerb quality assured sourcing of herbs
®
Raw material is sourced from quality herb suppliers worldwide
Pre-shipment sample requested
Samples sent to lab for: Chromatography Also tested for:
Identification (HPTLC Method used to separate the Macro/microscopic analysis
fingerprint) phytochemicals in a herbal extract Pesticides/heavy metals
Validation (species, plant part) into individual components Aflatoxins
Efficacy (actives, Microbial levels
phytochemical profile)
High Performance Thin Layer Ultra High Performance Liquid Gas Chromatography (GC):
Chromatography (HPTLC): Chromatography (UHPLC): This method works only for
The liquid extract is spotted onto The herbal extract is injected into a volatile chemicals. The herbal
a silica gel plate which is then liquid stream which is carried onto extract is inserted into a hot
placed into a trough containing a column and separated into its injector block and the volatile
solvent. The solvent then various constituents. These are constituents pass onto the heated
separates the extract into a then detected when they exit the column which separates the
series of bands (phytochemicals) column. Normally a Photo-Diode constituents based on their boiling
characteristic to the plant Array (PDA) measures the point. The existing chemicals are
absorption spectrum of each then burnt in a flame and the
chemical constituent. However, not resultant electric signal is detected
all constituents can be seen by PDA
and therefore Evaporative Light
Scattering Detection (ELSD), Fourier
Transform Infrared Spectrometry
(FTIR) and Mass Spectrometry (MS)
are also used to detect compounds
such as saponins
Mass Spectrometry (MS)
Method used to separate the phytochemicals in an herbal extract into individual components
Order is placed ONLY IF the above
quality criteria have been met When, and only when, all
aspects of quality control of the
raw material are confirmed, will
Order arrives To Lab: All QA procedures the manufacture of MediHerb
®
Quarantined samples taken detailed above are repeated on products begin. An herb is sent
the purchased batch samples back if it does not comply
10 MediHerb Product Catalog 2018 • Our philosophy
®