News

02.10.2017

Updated HPTLC methods

The HPTLC methods for the identification of Peppermint, Spearmint, Melissa and Catnip leaf were updated (source and minor details): The HPTLC method for Peppermint leaf was under evaluation by the Ph.Eur. and has now been accepted and included in Ph.Eur. 9.0. For Spearmint, Melissa and Catnip the same method can be used.


18.09.2017

New HPTLC methods for Aloes

New HPTLC methods for the identification of Barbados Aloes (Aloe barbadensis, Aloe vera) and Cape Aloes (Aloe ferox) and the discrimination of both species according to Ph.Eur. have been uploaded to the methods list.

Your comments are welcome, contact us at info@hptlc-association.org.


14.09.2017

Project on Chaparral finalized and method released

The project on Chaparral leaf (Larrea tridentata) was successfully terminated and a new HPTLC method was released.

The HPTLC method for the identification of dried Chaparral leaf is based on the analysis of flavonoids and additionally the detection of nordihydroguaiaretic acid.

This project was performed by the HPTLC Association members Eike Reich, Anabella Rodas-Nelson, Roy Upton, William Georgian, and Dhananjay Meshram. The HPTLC method was developed by Anabella Rodas-Nelson (Starwest Botanicals) and Eike Reich (CAMAG Laboratory).

We thank all contributors for their support.

For questions and comments on the method, contact info@hptlc-association.org.


14.09.2017

New and updated HPTLC methods

Two new HPTLC methods for Benzoe sumatranus (Sumatra benzoin) and Benzoe tonkinensis (Siam benzoin) were released. Both methods feature the same method parameters as the previously published Harmonized method for resins, but include more samples and a more detailed description.

Three methods from the methods list were updated:


17.07.2017

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.

More methods.

Questions or comments?


13.06.2017

Welcome new members

A warm welcome to our five new members!

  • Dr. Patricia Odumosu, Dept. of Pharmaceutical Chemistry, University of Jos, Nigeria
  • Mr. Robert Palmer, Herbs In A Bottle, Stamford, UK
  • Dr. Kerry Penman, Sanofi, Brisbane, Australia
  • Mr. Tomislav Sostaric, Chromatech Scientific P/L, Yangebup, Australia
  • Prof. Snezana Agatonovic-Kustrin, LaTrobe University, Victoria, Australia

We are looking forward to working with you.

The HPTLC Association has now 60 members, see our member list.

Are you interested in becoming a member of the HPTLC Association? See the checklist for applicants.


20.12.2016

Three methods for Equisetum species updated

Three methods for Equisetum species (Equisetum palustre, Equisetum hyemale, Equisetum telmateia) have been updated with new HPTLC images. The methods are based on the Ph. Eur. monograph for Equisetum arvense. The mobile phase was not changed.

Download the new pdf files from the list of methods.


15.12.2016

Methods for Common horsetail herb updated

The two methods (identification, test for adulteration) for Common horsetail herb (Equisetum arvense) have been updated with new HPTLC images which include reference solutions a and/or b and the result description according to Ph.Eur 8.0. The other method parameters such as the mobile phase remain unchanged.

Download the new pdf files from the list of methods.


17.11.2016

Welcome new members

We are proud to welcome seven new members:

  • Dr. Yamilè Bernardo Otero, Härting S.A., Santiago de Chile, Chile
  • Dr. Karuna Shanker, CSIR-Central Institute of Medicinal and Aromatic plants (CIMAP), Lucknow, India
  • Dr. Aqib Zahoor, Herbion Pak. Pvt. Ltd, Karachi, Pakistan
  • Dr. Artur Likhanov, The National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
  • Ms. Ng Chiew Hoong, postgraduate student, Gelugor, Penang, Malaysia
  • Mr. Calen McKenzie, Vitality Works, Inc., Albuquerque, NM, USA
  • Dr. Ajai Prakash Gupta, Indian Institute of Integrative Medicine, Jammu, India

We are looking forward to working with you!


04.02.2016

Projects on Phyllanthus amarus, Holy basil and Rosemary completed

HPTLC methods for the identification of Phyllanthus amarus leaf, Holy basil leaf (Ocimum sanctum) and Rosemary leaf (Rosmarinus officinalis) have been developed by members of the HPTLC Association. The methods have been submitted to USP and have recently been accepted.

Details on the projects. Download the new methods from the methods list.