* Prof. Sulieman is a full professor at the Department of Biology, College of Science, University of Hail, Hail, KSA. He obtained his Bachelor of Agricultural Science (major in food Science) from Gezira University, Sudan, and Master of Food Science and Technology at Gezira University, Sudan. He earned his PhD - University of Gezira, Sudan – in December 2001 – Major: Food Science and Technology, Sponsor: The German Academic Exchange Services (DAAD). * Prof. Sulieman conducted his post-doctorate research at the College of Agriculture, Kobe University, Japan, 2004. * Prof.