Page 9 - 2018 SP Product Guide
P. 9
Our commitment
To manufacturing To testing
After testing, all herbs are transferred to our Herbs are naturally complex and not all are grown,
temperature-controlled warehouse to preserve harvested, dried or stored in the same way. We use
the herbs before undertaking our unique 1:2 Cold the latest technology, invest in the best
Percolation manufacturing process. Extensive equipment, and employ and train the best
scientific testing proves that this is unlike any other scientific talent who understand the complexities
herbal extraction method and is the benchmark for of phytochemistry in order to undertake highly
producing the highest quality extracts using no detailed testing throughout all stages of the
heat or concentration. It ensures herbal sourcing and manufacturing process. This
constituents remain intact with only ethanol or guarantees validation of species and plant parts
purified water (and occasionally glycerol). and efficacy of active ingredients and
Each liquid variety is processed using specific Tableting: benchmarking phytochemical profiles. Our tests include:
ethanol percentages for optimum extraction. Our quality High Performance Thin Layer
extraction equipment is built from stainless steel, Chromatography (HPTLC) is a high resolution
and we use pharmaceutical-grade filtering units. Our research has proven that the thin layer chromatography separation technique
All process water is purified by reverse osmosis, optimal method of herb processing for where liquid extract is precisely spotted onto a
and our experience with developing specific tableting involves the evaporation of high-resolution silica gel plate and exposed to
ethanol percentages for each herb helps us solvent to separate the extract into a series of
maximize quality. Our internal benchmarks for the ethanol and water at low molecules characteristic to the plant based on
each herb must be met or exceeded for acceptance temperatures under vacuum. This sample interactions with the plate and the
into manufacturing. important step minimizes the exposure solvent. HPTLC is the next generation of thin layer
Our unique tablet manufacturing process also uses of the delicate chemicals in the herbal chromatography (TLC) as it is quicker and more
our 1:2 Cold Percolation liquid extracts to ensure matrix to the damaging effects of heat sensitive. This means that the separation
potency equivalent to the original galenical liquid and oxidation. provides more detailed information allowing
extract. It has also been subject to extensive lower levels of adulteration to be detected. HPTLC
research and development to ensure that the Our tableting process takes this one may also be able to quantify compounds
finished tablet is as efficacious as the liquid extract, step further to actually specify the whereas TLC can only identify presence. HPTLC
and that the full phytochemical profile has been also features an auto sampler to eliminate any
retained. optimal parameters employed during variation from different technicians setting up the
the evaporation and drying processes sampling manually, which can happen under the
See diagram on page 11
for each of the active constituents of TLC process.
the final tablet. As with our liquid herbal Gas Chromatography (GC) is a separation
extracts, our tablets are manufactured technique performed in the gas phase for volatile
components such as essential oils. Samples can
to pharmaceutical standards. Each be introduced either as a liquid or a gas
batch is tested for disintegration, (headspace injector) using an inert carrier gas
friability, weight uniformity and for into a hot injector block. The volatilized
active constituents. Our tablets are constituents then pass onto a heated capillary
required by the TGA to disintegrate in column separating the gaseous constituents
based predominately on their boiling point and
less than 30 minutes for maximum the interaction with the column chemistry. The
efficacy. constituents are moved into a flame and the
resultant by-products pass through electrodes to
generate a signal (detection can also be done by
Mass Spectrometry).
8 MediHerb Product Catalog 2018 • Our philosophy
®