Affiliation: | 1. School of Distance Education, Universiti Sains Malaysia, 11800 Minden, P. Pinang, Malaysia;2. School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, P. Pinang, Malaysia;3. Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor DE, Malaysia;4. Chemical Engineering Department, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia |