1. School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, P. R. China
2. Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, P. R. China
3. Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine MateriaMedica/Research Center for Marine Microbes, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, P. R. China