Research Article
Vacuum Drying Characteristics for Piper betle L. Leaves
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, Selangor, Malaysia
A. Luqman Chuah
Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, Selangor, Malaysia
K. Y. Pin
Herbal Technology Center, Natural Products Division, Forest Research Institute Malaysia (FRIM), Selangor, Malaysia
C. L. Law
Faculty of Engineering and Computer Science, University of Nottingham, Selangor, Malaysia
T. S.Y. Choong
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, Selangor, Malaysia