Optimization by full factorial design of the emulsifying properties of ethanol insoluble fraction from rapeseed lecithin.

Autor: Marian Sosada, Beata Pasker, Renata Gabzdyl
Předmět:
Zdroj: European Journal of Lipid Science & Technology; Nov2003, Vol. 105 Issue 11, p672-676, 5p
Abstrakt: Rapeseed lecithin ethanol insoluble fraction (LEIF), was acetylated and optimum conditions for improving LEIF emulsifying property were determined. The effects of reaction time, pyridine amount and temperature on phosphatidyl ethanolamine conversion degree (PECD) and emulsion stability index (ESI) have been described in the form of regression equations. A full factorial design method was used. Regression equations for the maximum value of response functions and computation results were calculated and compared with those obtained in control experiments. Acetylation of rapeseed LEIF with the use of calculated optimal parameters led to 35% and 60% increments in PECD and ESI, respectively. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index