Dr. Liew Siew Ling M.Sc. (UKM'sia), Ph.D. (UPM'sia) Food Science Program School of Chemical Sciences and Food Technology Faculty Of Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor, Malaysia E-mail: siew@pkrisc.cc.ukm.my Tel: 603 8921 5662 / 5963 Fax: 603 8925 3232