1. Department of Packaging and Materials Technology; Kasetsart University; Bangkok 10900 Thailand
2. Department of Food Science and Human Nutrition; Michigan State University; East Lansing MI 48824 USA
3. School of Packaging; Michigan State University; East Lansing MI 48824 USA
4. Food Science and Technology Programme; National University of Singapore; Singapore 117542
5. KH Roberts Pte Ltd; Singapore 627948