ACKNOWLEDGEMENTS
This study was financially supported by the Kasetsart University Research and Development
Institute (KURDI), Thailand. The authors wish to thank Prof. Dr. Kishio Hatai, Nippon Veterinary and
Life Science University, Japan, for fungal sample, Assoc. Prof. Dr. Vittaya Punsuvon, Department of
Chemistry, the faculty of Science, Kasetsart University for the preparation of crude extracts and the
Plant Genetic Conservation Project, Under The Royal Initiative of Her Royal Highness Princess Maha
Chakri Sirindhorn, for providing K. galanga Linn. sample.