Chatchai Chaotham would like to thank The Thailand
Research Fund andThe RoyalGolden Jubilee Ph.D. program
(Grant no. 5.Q.CU/50/C.1). They would also like to thank
Nalinpat Saktiyasunthorn for providing experimental facilities
at the Medical Plant Research Institute, Department of
Medical Sciences, Ministry of Public Health, Bangkok,Thailand.
This study was financially supported by the Thailand’s
National Innovation Agency.