describes the creaming index of emulsions containing
20 wt% of oil stabilized by SPI and LMW-SPI non-gelled proteins,
i.e., suspensions (SPI Sus and LMW-SPI Sus) and fine gel particles
(SPI Gel and LMW-SPI Gel) without any added salts. For SPI Sus and
Gel, the emulsions containing 3 wt% protein or more were almost
stable against creaming for 4 weeks, while those containing 1 or
2 wt% were not, indicating that 3 wt% of proteins is at least required
to prepare stable SPI emulsions. Creaming stability of the SPI Gelbased
emulsions was higher than that of the SPI Sus-based ones,
albeit the difference was not so significant. Creaming stability of
LMW-SPI Sus and Gel-based emulsions were much lower than that
of SPI ones. ForLMW-SPI Sus and Gel, creaming was only prevented
completely in the emulsion containing 5 wt% of LMW-SPI nongelled
proteins. Apart from the emulsions containing 5 wt% of
LMW-SPI, the stability of LMW-SPI Gel emulsions was generally
higher than that of the Sus emulsions. These results show that
conversion to gel particles may enhance the creaming stability of
the emulsions, probably due to enhanced steric repulsion between