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Does malted barley have fat like un-malted barley?

If either have fat, why doesn't this cause problems in the beer? What happens with this fat during the brew?

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1 Answer 1

Neither has a discernible amount of fat. Unlike oats. With oats the fat lends to the creaminess you taste in say oatmeal stouts.

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But, what about the foam ? Aren't the fats responsible for low foam or foam with a low durability ? –  Luciano Jul 23 at 17:25
    
That's right. Fats will destabilise the bubbles in the head and cause it to collapse. If your question is in regards to me mentioning oatmeal, most of those beers normally have thin heads. –  brouwer Jul 23 at 21:15
    
Well, I was confused now. In some beers is recommended to add a little amount of oat to increase the foam head. Why if the oat can reduce it ? Is there a break-even ? –  Luciano Jul 23 at 21:43
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Are you sure by increase you mean size not density? I've found oats usually give you a nice creamy, dense head. –  brouwer Jul 23 at 22:04
    
Interesting. But, I would like to know more about the paper of fats in beers. Like adding nuts, and others sources of fats. I guess that there may have a threshold when the amount of fat can eliminate the foam. Am I sure ? –  Luciano Jul 24 at 15:11

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