1. Department of Biochemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India;
2. Protein Research Chair, Department of Biochemistry, College of Sciences, King Saud University, Riyadh, Saudi Arabia;
3. Department of Food Science and Nutrition, Faculty of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi ArabiaCommunicated by Ramaswamy H. Sarma