Archeological evidences prove that the process of beer brewing has been known to man for a long time now. This technique was used in ancient Egypt and many beer recipes have been found in the Sumerian writings. The western economies have been driven by the brewing industries and many a towns settled due to the flourishing breweries and were discarded when these were closed down.
Beer brewing is an art as well as a science. It needs to be done with extreme care so that the exact taste and essence is retained. There are scientific methods to brew beer which allow the liquid to have the original color, taste and smell. If care is not taken while brewing, then the whole lot has to be rejected and thrown away.
There is a four step process for brewing the perfect beer. It is done in a step by step manner to have the maximum benefits and the most perfect drink. The beer is boiled, brewed, fermented, conditioned and filtered and then packed for sale.
This site gives in-depth information about the whole process involved in the making of the beer as well as the precautions needed to be taken to have a perfect bottle of beer.