A2 milk

Type of cow's milk that lacks _-casein proteins called A1

A2 milk is a type of cow's milk that contains only the A2 beta-casein protein, as opposed to the more common A1 and A2 proteins found in regular milk. The A2 protein is believed to be easier to digest for some people who experience discomfort from regular milk.

Composition

A2 milk is distinguished by its protein composition. The primary protein in milk is casein, which makes up about 80% of the protein content. Casein is further divided into several types, with beta-casein being one of the most significant. Beta-casein has several variants, the most common being A1 and A2. A2 milk contains only the A2 variant of beta-casein.

History

The concept of A2 milk originated from research conducted in the 1990s, which suggested that the A1 beta-casein protein might be associated with certain health issues. This led to the development of A2 milk, which is produced by cows that naturally produce milk containing only the A2 protein.

Production

A2 milk is produced by selectively breeding cows that naturally produce milk with only the A2 beta-casein protein. This involves genetic testing of cows to identify those that carry the A2 gene. Once identified, these cows are used to produce A2 milk.

Health claims

Proponents of A2 milk claim that it is easier to digest than regular milk, which contains both A1 and A2 proteins. Some studies suggest that A1 protein may be associated with digestive discomfort in some individuals, leading to the hypothesis that A2 milk could be a suitable alternative for those with milk intolerance.

Controversy

The health claims surrounding A2 milk have been the subject of debate. While some studies support the idea that A2 milk is easier to digest, others have found no significant difference between A1 and A2 proteins in terms of digestive health. The European Food Safety Authority and other regulatory bodies have reviewed the evidence and concluded that there is insufficient evidence to support the health claims made about A2 milk.

Market

A2 milk is marketed as a premium product and is available in several countries, including Australia, New Zealand, the United States, and the United Kingdom. The A2 Milk Company is one of the leading producers of A2 milk and has played a significant role in popularizing the product.

Related pages

• Milk
• Lactose intolerance
• Casein
• Dairy farming

Gallery

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  A2 brand milk