1. Dept. of Nutrition and Food Technology; Al-Balqa Applied Univ.; Salt; Jordan; 19117
2. Dept. of Nutrition and Food Technology; Jordan Univ. of Science and Technology; Irbid; Jordan
3. Dept. of Human Environ. & Family Sciences, Food Microbiology Laboratory; North Carolina Agricultural and Technical Univ.; City; NC; U.S.A.
4. Dept. of Food Science; Univ. of Manitoba; Winnipeg; Manitoba R3T 2N2; Canada