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a1 versus a2 cows Options
Neene
#1 Posted : Wednesday, February 10, 2010 1:59:23 AM
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Posts: 134,494

I had some problems posting to this. I finally used the post button at the top and managed to get the write-in block instead of the blue screen that won't allow input.

I've heard about the benefits of raw milk, but only recently became aware that some researchers are claiming that there is a mutation that has occurred within cattle in the protein that makes the milk more or less beneficial.

"The type of proteins in milk, and the proportion of various proteins, varies depending on the breed of cow and the type of animal (sheep, goat, cow, etc.).

One of the major proteins in cow’s milk is casein, the predominant variety of which is called beta-casein. In older breeds of cows, such as Jersey, Asian and African cows (called A2 cows), the beta-casein contains an amino acid called proline.

In newer breeds of cows like Holstein (A1 cows), however, the proline has mutated into an amino acid called histidine.

This is important because beta-casein also contains an amino acid called BCM-7, which is a powerful opiate linked to negative health effects. Well, the proline that exists in A2 cows has a strong bond to BCM-7, which helps keep it out of the cows’ milk. The histidine in the newer A1 cows, however, has a weak hold on BCM-7, which allows it to get into the milk, and also into the people who drink the milk."

Has any one else been aware of or looked into this? I noticed there are some sites on-line that are actually marketing A2 milk, so this information must have been around for a while. It is an interesting idea, but am not sure that it is not a marketing ploy to muddy the waters more.

 

John Edward Mercier
#2 Posted : Wednesday, February 10, 2010 9:07:30 AM
Rank: Guest

Posts: 134,494

Unless there is at least some truth to it, the FDA will be all over them for false advertising.

 

Neene
#3 Posted : Wednesday, February 10, 2010 9:07:30 AM
Rank: Guest

Posts: 134,494
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