A. S. Ammar
Cairo University; College of Agriculture and Veterinary Medicine, Qassim University
Egypt

Abdalla S. M. Ammar, Professor, Food Science and Technology Department, Faculty of Agriculture, Cairo University
1 Gamaa Street, Giza, 12613, Egypt
Food Science and Human Nutrition Department, College of Agriculture and Veterinary Medicine, Qassim University, Saudi Arabia
Tel.: +2–0101–997–17–99

M. G. El-Ziney
Alexandria University; College of Agriculture and Veterinary Medicine, Qassim University
Egypt

Mohamed G. El-Ziney, Professor of Dairy Science and Technology, Dairy Science and Technology Department, Faculty of Agriculture, Alexandria University
PO Box 21454 Alexandria, Egypt
Food Science and Human Nutrition Department, College of Agriculture and Veterinary Medicine, Qassim University, Saudi Arabia
Tel.: +2–0106–516–63–51

A. I. Al-Turki
College of Agriculture and Veterinary Medicine, Qassim University
Saudi Arabia

Ahmad I. Al-Turki, Professor of Environmental Microbiology, Plant Production and Protection Department, College of Agriculture and Veterinary Medicine, Qassim University
PO BOX 6622, Buraydah 51452, Al-Qassim, Saudi Arabia
Tel.: +966–0568–410–066