Frozen food defrosted or thawed in the refrigerator may be refrozen. However, the bacteria in food can multiply even at low temperatures. Refrigerating food will not stop bacterial growth: just slow it.So do not refreeze food that has be defrosted for some time even if it has been refrigerated the whole time.s per U. S. Dept. of Agriculture, Meat and poultry defrosted in the refrigerator may be refrozen before or after cooking. If thawed by other methods, cook before refree … zing..