25th International Symposium for High-Performance Thin-Layer Chromatography postponed
The 25th International Symposium for High-Performance Thin-Layer Chromatography in Ljubljana/Slovenia has been postponed to 29.6. - 2.7.2021 due to COVID-19.
See details on the organisator's website https://hptlc2020.si
18 new / 53 updated HPTLC methods for free download
Since the beginning of the year, 18 new method documents have been added and 53 have been revised.
The HPTLC Association has now 284 method documents online available for download.
Please go here for the complete list https://www.hptlc-association.org/methods/methods.cfmmore...
50 new / updated HPTLC methods for free download
Today the HPTLC Association has uploaded 29 new and 21 updated HPTLC methods for identification of:more...
New methods uploaded
Today we uploaded the following new HPTLC methods for identification of:more...
NutraIngredients newsletter features HPTLC Association
The online news resource NutraIngredients-USA features an article on the HPTLC Association.
Project on Boneset finalized - new method released
The project on Eupatorium perfoliatum (Boneset) was successfully terminated and a new HPTLC identification method was released. It can be downloaded from the methods list.
The method is currently under evaluation by the American Herbal Pharmacopoeia and the European Pharmacopoeia.
This project was performed by the HPTLC Association members Roy Upton (AHP) and Eike Reich (CAMAG Laboratory). Thank you for your support.
For questions and comments on the method, contact firstname.lastname@example.org.
New HPTLC method for Picrorhiza
A new HPTLC method for the identification of Picrorhiza (Picrorhiza sp.) and Picrorhiza powdered dry extract is available. Note: due to the unavailability of authenticated plant material, this method does not differentiate between different Picrorhiza species.
Register and download the new method from the methods list.
Method for Passion flower updated
The HPTLC identification method for Passion flower has been updated by scientists of the Zurich University of Applied Sciences (ZHAW). It features new samples, new images and a new chromatogram description. The mobile phase and derivatization reagent are unchanged. Additionally, an individual monograph for Passion flower dry extract was created, using the same HPTLC method. Both methods are under evaluation by the European Pharmacopoeia.
Download the new methods from our methods list.
For comments or questions contact email@example.com.
New HPTLC methods
The HPTLC Association presents two new HPTLC methods for the identification of Cannabis. One method is based on normal-phase separation on silica gel (pdf), the other method on C-18 modified reversed phase silica gel (pdf).
An HPTLC method for the identification of Vitex negundo leaf (pdf) according to the Herbal Medicines Compendium is published.
USP features two new chapters on HPTLC
The United States Pharmacopoeia recently published two important chapters on HPTLC in their First Supplement to USP 38–NF 33.more...