Ovomucoid partitioning in aqueous two-phase systems |
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| Affiliation: | 1. Department of Food Technology, Federal University of Viçosa (UFV), P. H. Rolfs Av., s/n, 36570-000 Viçosa, MG, Brazil;2. Department of Chemistry, Federal University of Viçosa (UFV), P. H. Rolfs Av., s/n, 36570-000 Viçosa, MG, Brazil;3. Department of Agribusiness and Administration Engineering, Federal University Fluminense (UFF), Trabalhadores Av. 420, 27225-250 Volta Redonda, RJ, Brazil;1. Scientific-Technical Services (Food Technology Laboratory), University of Oviedo, C/ Fernando Bonguera s/n, 33071 Oviedo, Spain;2. Department of Chemical and Environmental Engineering, University of Oviedo, C/ Julián Clavería s/n, 33071 Oviedo, Spain;1. School of Medical Laboratory, Tianjin Medical University, Tianjin, China;2. The Integrative Medical Diagnosis Laboratory, Tianjin Nankai Hospital, China;3. Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China;4. Department of Medical Laboratory, Tianjin Children''s Hospital, Tianjin, China |
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| Abstract: | This study evaluated the partitioning of ovomucoid from egg white, in aqueous two-phase systems (ATPS) composed of PEG 1500 and inorganic salt (lithium sulfate, sodium sulfate, magnesium sulfate, sodium carbonate or sodium citrate) at 25 °C. The results showed a great effect of the electrolyte nature on the partition coefficient. The partition coefficient value ranges from 0.02 to 6.0. The highest partition coefficients were obtained from systems composed of sodium carbonate and the lowest in systems composed of magnesium sulfate. In the system containing magnesium sulfate, a recovery percentage greater than 90% was obtained. |
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