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- Title
Influence of Ultrasonication Prior to Glycation on the Physicochemical Properties of Bovine Serum Albumin-galactose Conjugates.
- Authors
Jun LIU; Zong-cai TU; Lu ZHANG; Hui WANG; Xiao-mei SHA; Yan-hong SHAO
- Abstract
The effects of different ultrasonic powers, times and temperatures on the physicochemical properties of bovine serum albumin (BSA)-galactose conjugates were investigated. SDS-PAGE and size exclusion chromatography analysis indicated that BSA-galactose conjugates gave a higher molecular weight than native BSA. The BSAgalactose conjugates prepared through ultrasonic pretreatment had higher degree of graft (DG) value, surface hydrophobicity (H0), emulsifying, foaming property and denaturation temperatures (Td) as compared to native BSA and untreated BSA-galactose conjugates. The highest DG, H0 and emulsifying ability index were obtained in ultrasonic time, power and temperature of 10 min, 150W/cm ², and 45 °C, respectively. The maximum foaming property and Td were detected in the sample ultrasonicated at 150 W/cm ² for 10 min at 35 °C. From this, we conclude that increased DG and H0 in BSA-galactose conjugates were correlated with the improved emulsifying property and foaming capacity. Overall, ultrasonic pretreatment combined with glycation has great positive effects on the physiochemical properties of BSA.
- Publication
Food Science & Technology Research, 2018, Vol 24, Issue 1, p35
- ISSN
1344-6606
- Publication type
Article
- DOI
10.3136/fstr.24.35