Characteristics of acid whey powder partially demineralized by nanofiltration
2006
Dec, B., E-mail: [email protected] | Chojnowski, W. (University of Warmia and Mazury, Olsztyn (Poland). Dept. of Dairy Science and Quality Management)
The chemical composition and solubility of acid whey powders obtained from nanofiltered and neutralized wheys were studied. The change in the composition and acidity of acid whey powders caused by nanofiltration and neutralization significantly influenced their solubility. With a decrease in ash content and acidity, the solubility was observed to increase. The correlation was found between ash content (r=0.843) and acidity to insolubility index (r=0.709). The study showed that the location of neutralization in the technological process of acid whey powder had a significant influence on its properties. More favourable would be to apply acid whey neutralization after nanofiltration. Diafiltered acid whey powders were characterized by the best properties, even better than those of the control sweet whey powder
显示更多 [+] 显示较少 [-]