Oxidative Stability of Anhydrous Milkfat Microencapsulated in Whey Proteins
- 1 January 1996
- journal article
- Published by Wiley in Journal of Food Science
- Vol. 61 (1) , 39-43
- https://doi.org/10.1111/j.1365-2621.1996.tb14721.x
Abstract
The chemical stability was studied on anhydrous milkfat (AMF) encapsulated in whey protein isolate (WPI) and WPI combined with lactose (1:1 w/w WPI/L). AMF‐containing microcapsules, as well as bulk milkfat, were stored at 20°C with light, 40°C without light, and 50°C with and without light for up to 12 mo. Milkfat oxidation was monitored by oxygen uptake in headspace and hexanal accumulation. In all cases, AMF oxidation was significantly limited by microencapsulation in WPI or WPI/L. Whey proteins are effective microencapsulating agents.Keywords
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