Journal article
Beta casein proteins – A comparison between caprine and bovine milk
X Li, GWK Spencer, L Ong, SL Gras
Trends in Food Science and Technology | ELSEVIER SCIENCE LONDON | Published : 2022
Abstract
Background: Dairy products from a range of species, including caprine products, have been labelled as A2. Yet these simple terms do not accurately capture the complexity of casein protein sequences or properties, particularly when used to describe non-bovine proteins. Scope and approach: This review examines the current state of knowledge of the beta casein (β-CN) proteins in caprine and bovine milk. It explores differences in the naming, sequence and function of caprine and bovine β-CN proteins and questions whether caprine milk can be considered ‘A2’ or ‘A2-like’. Key findings and conclusions: None of the twelve caprine β-CN alleles or proteins have been scientifically named ‘A2’ to date a..
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Funding Acknowledgements
This research was funded by an Innovation Connections Grant (ICG001377) under the Department of Industry, Science, Energy and Resources of The Australian Government with co-funding from Nuchev Food Pty Ltd. Lydia Ong and Sally Gras are supported by The Dairy Innovation Hub. Garrick Spencer is an Ingenium PhD Scholar in the Faculty of Engineering and Information Technology, The University of Melbourne. The authors gratefully acknowledge proofreading of the manuscript by A/Prof Martin Palmer (The Department of Chemical Engineering) and Dr Shuai Nie (The Mass Spectrometry and Proteomics Facility) at The University of Melbourne. The funders had no role in the design of the study; in the collection, analyses or interpretation of data.