Acta Scientific Nutritional Health

Review ArticleVolume 2 Issue 3

A2 Milk: The Unknown Story About a Milk Protein

Soumitra Banerjee*

Centre for Incubation, Innovation, Research and Consultancy (CIIRC), Jyothy Institute of Technology, Bengaluru, Karnataka, India

*Corresponding Author: Soumitra Banerjee, Centre for Incubation, Innovation, Research and Consultancy (CIIRC), Jyothy Institute of Technology, Bengaluru, Karnataka, India.

Received: January 19, 2018; Published: February 22, 2018

Citation: Soumitra Banerjee. “A2 Milk: The Unknown Story About a Milk Protein”. Acta Scientific Nutritional Health 2.3 (2018).


  Milk is known as a nutritious food because it is considered as a good source of protein, fat, carbohydrates, vitamins and other various minerals, which are essential for sustaining and maintaining a healthy life. Milk protein has significant importance in human health and body functioning. They are also known as a good source of biologically active peptides. One part of milk protein is casein, which has different genetic variations out of which A1 and A2 are more common. The difference between A1 and A2 beta casein lies in the amino acid sequencing at 67th position. It has been claimed by researchers that milk containing A1 beta-casein protein consumption, may increase the chances of a number diseases, unlike consumption of A2 beta-casein containing milk. The paper aims to give a basic understanding about A1 and A2 beta-casein present in milk, their mechanism of action, effects on health and conclusions drawn by other researchers on this A1/A2 beta casein containing milk.

Keywords: A2 Milk; Milk Protein; Casein

Copyright: © 2018 Soumitra Banerjee. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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