1. Department of Pharmacology and Physiology Faculty of Pharmaceutical Sciences Chulalongkorn University Bangkok 10330 Thailand
2. Center of Excellence in Natural Products for Ageing and Chronic Diseases Chulalongkorn University Bangkok 10330 Thailand
3. Department of Pharmacognosy and Pharmaceutical Botany Faculty of Pharmaceutical Sciences Chulalongkorn University Bangkok 10330 Thailand
4. Herbal Phytochemical Testing Laboratory Center Chula Phar Tech Co. Ltd. Bangkok 10330 Thailand
5. Nabsolute Co., Ltd. Bangkok 10330 Thailand
6. Faculty of Pharmacy Ton Duc Thang University Ho Chi Minh City 700000 Vietnam
7. Institute of Natural Medicine University of Toyama 2630-Sugitani Toyama 930-0194 Japan
8. Institute of Tropical Biology Vietnam Academy of Science and Technology 85 Tran Quoc Toan, District 3 Ho Chi Minh City Vietnam