Higher alcohols is the main cause of headache after drinking more beer.
Higher alcohols is one of the main by-products in the fermentation process, and it is the important source of beer flavor as well.
Appropriate composition and content of higher alcohols can not only promote the full flavor and bitter taste of beer, but also increase the consistency of beer taste.
When the higher alcohol exceeds a certain amount, it will produce a clear fusel oil flavor, and the excessive consumption can cause the human body discomfort and make the beer taste bitter.
If the content of high alcohol is too low, it will make the beer appear weak taste for low-alcohol liquor, and the wine body is not full.
In general, high quality light beer, it’s appropriate that its higher alcohol content is controlled in 50~90mg/L.
As we all know, higher content of acetaldehyde and higher alcohols were the key reasons of headache after beer drinking.
When the content of high alcohol in beer is more than 120mg/L, especially content of isoamyl alcohol exceeds 50mg/L, content of isobutyl alcohol exceeds 10mg/L, and we will have headache after drinking beer.
The main reason is that higher alcohols metabolize slower in the body than ethanol, which can stimulate the body for longer time
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