Mayonnaises and dressings are preferred seasonings, and a variety of such products are available on the market. Six mayonnaises, three salad creamy dressings, one oil-in-water (O/W) type semisolid dressing, and one water-in-oil-in-water (W/O/W) type semisolid dressing, all of which are commercially available, were frozen at -20°C, -23 °C, -25 °C, -28 °C, and -80 °C for specified time periods and then thawed at about 25 °C. The changes in temperature of the mayonnaises and dressings during freezing and thawing depended on their types. Oil-water separation was observed after thawing for all mayonnaises, except when rapidly frozen at -80 °C. Up to 60 % of the oil phase contained in the dressings separated after thawing, suggesting that thickeners added to the aqueous phase partially suppressed the oil-water separation. The temperature changes and oil-water separation behaviors of the W/O/W type semisolid dressing were similar to those of the mayonnaises.
CITATION STYLE
Miyagawa, Y., Fujita, H., & Adachi, S. (2020). Oil-water separation of mayonnaises and semisolid dressings by freezing and thawing. Food Science and Technology Research, 26(1), 111–118. https://doi.org/10.3136/FSTR.26.111
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