We, Thongchai Kanchanasuwan, Pun Chairat and Wetchaporn Wetchakit, would like to express our sincere gratitude to all those who gave us the possibility this project. All work presented in this thesis was performed at the department of Pharmaceutical chemistry and Pharmacognosy, Naresuan University. Thus, we gratefully reserve this section to acknowledge all people who contributed in our work.
We grateful acknowledge Asst. Prof. Sutthatip Markmee (Ph.D), Thippatai Hiranyaekaphap and Phurit Thanarangsarit for knowledge and our skills. We thank Assoc. Prof. Tasana Pitaksuteepong (Ph.D) for Multichannel Pipettes your lend us.
Especially, we would like to give special thank to our adviser, Asst. Prof. Runegwit Kitbunnadaj (Ph.D), for his invaluable help and constant encouragement throughout the course of this research, support to make this project possible and thanks for look closely all over this project.