1. Department of Cosmetic Science; Providence University; Taichung 43301 Taiwan
2. Department of Applied Chemistry; Providence University; Taichung 43301 Taiwan
3. Department of Cosmetic Science; Chia Nan University of Pharmacy & Science; Tainan 71710 Taiwan
4. Graduate Institute of Biotechnology; National Chung Hsing University; Taichung 40227 Taiwan