[1] Department of Food Technology, Fac. of Food Sci. and Biotechnology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
[2] Dept. of Food Sci. and Agric. Chem., Macdonald Camp. of McGill University, St. Anne de Bellevue, Que. H9X 3V9, Canada