New methods uploaded
Today we uploaded the following new HPTLC methods for identification of:
- Angelica archangelica root and rhizome
- Angelica dahurica root and rhizome
- Angelica gigas root and rhizome
- Angelica pubescens root and rhizome
- Angelica sinensis root and rhizome
- Angelica sp. root and rhizome
- Levisticum officinale root and rhizome
- Ligusticum chuanxiong rhizome
- Ligusticum sinense root and rhizome
- Hypericum perforatum flowering tops
- Hypericum perforatum, test for food dyes flowering tops
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Note: the list is in alphabetic order by Latin plant names. To see the newest methods first, click the grey field "Date of publication" twice.
Let us know your questions or comments!
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 email@example.com.
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 firstname.lastname@example.org.
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...
HPTLC Association becomes affiliate member of AHPA
The HPTLC Association has accepted to become affiliate member of the American Herbal Products Association (AHPA) in February 2014.