Have you ever thought why the wort shall be boiled?



Boiling is an aspect that can be taken for granted as a step simply for throwing in the hops, but there are actually several reasons for boiling wort:
To sterilize the wort
To stop the enzymatic activity of the mash
To concentrate the wort
To boil off unpleasant aroma compounds
To coagulate proteins so they will drop out
To extract bitterness from the hops
To adjust wort color and flavor
 
All these reasons play a significant part in the final outcome of the beer. It’ s color, bitterness, flavor, intensity, over all character are partially a factor of the boil. Let’s briefly cover each reason for boiling a wort.