1. Pharmaceutical Research and Technology Institute; Kinki University; 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
2. School of Pharmacy; Kinki University; 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
3. Faculty of Science and Technology; Rajamangala University of Technology Srivijaya; Thungyai Nakhon Si Thammarat 80240 Thailand