Ukeyima, M. T., Idoko, B. O. and Moghalu, L. O. (2020) “Antioxidant, Mineral and Microbiological Properties of Wine from Blends of Roselle Calyces Extract and Pineapple Juice”, European Journal of Nutrition & Food Safety, 12(7), pp. 49-57. doi: 10.9734/ejnfs/2020/v12i730249.