Abstract

Modified acylglycerol emulsifiers with programmed values of hydrophile-lipophile balance were synthesised in situ by esterification of glycerol with fatty acids in the presence of fatty acid soaps. The modification of the surface activity of the emulsifier was obtained by programming sodium or potassium soap content and hydrocarbon chain length, as well as the length of the fatty acid acyls in the monoacylglycerol. The effectiveness of the synthesised emulsifiers was investigated in model O/W emulsion systems. The influence of the phase volume ratio on emulsion inversion, stability and emulsion droplet size were studied.

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