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Beer is a poor and rather hostile environment for most microorganisms. Its ethanol concentration (ethanol 0.5 – 10% w/w), low …
Latest Entries
Three Major Stress Factors for Brewing Yeast
May 3, 2013 # 6:47 PM # Microbiology # No Comment
All living organisms and the survival of all cells critically depend on their ability to sense and quickly adapt to …
How to Reduce Brewing Hop Cost?
April 24, 2013 # 10:08 PM # Raw Materials # No Comment
Hops (Humulus sp.) are the female flowers of a hop species. Hop products are often used primarily as a flavoring …
Brewing Yeast Strain
February 28, 2013 # 6:20 PM # Microbiology # One Comment
When we’re talking about brewing yeast type its means yeast strain which each yeast strain has own specific generic DNA …
Yeast Cleaning
February 27, 2013 # 12:16 AM # Microbiology # One Comment
How to cleaning brewing yeast?
Yeast infections in beer, which are often referred to wort bacteria, lactic acid bacteria and wild …
Beer Haze Formation and Control
February 8, 2013 # 10:24 PM # Brewing Chemistry # No Comment
Composition of Beer Haze
Beer haze compositions are very variable. Normally, the haze composition are protein and polyphenol. But beer hazes …
Vicinal Diketone (VDK) / Diacetyl Analytic Method
February 8, 2013 # 5:47 AM # Brewing Analyses # No Comment
Vicinal diketone (VDK) or diacetyl is very important beer off-flavor indicator. It has a butter-like aroma having a flavor threshold …
How to control particle in the brewing process?
February 4, 2013 # 6:01 PM # Beer Processing # No Comment
In brewing process the non-microbiological particle are produced and removed at five stages. Understanding each stages will allow you to …
Two Major Beer Foam Inhibitors
January 5, 2013 # 7:00 AM # Brewing Chemistry # No Comment
Two Major Beer Foam Inhibitors are following…
1. Ethanol (Alcohol)
Why ethanol is the first one beer foam inhibitor? Because of ethanol …
Microbiological treatment of water for use in the brewery
November 26, 2012 # 9:56 PM # Microbiology # No Comment
Too many microorganism found in water e.g. algae, protozoa, fungi, yeasts and bacteria. These microorganisms can present a variety of …
Malting Process Flow Diagram
November 9, 2012 # 5:54 AM # Malting Technology # No Comment
Understanding The Malting Process. As you can see it’s quite a indepth process looking at these diagram (see pic1-6), we …
Four raw materials are required for beer production
October 31, 2012 # 8:35 PM # Raw Materials # No Comment
1. Barley
- Is the main RM for beer production
- High starch content & the husk still adheres to the grain
- …
Why do you need to evaluation of pitching yeast?
October 31, 2012 # 5:26 AM # Beer Fermentation # No Comment
Top five reasons, why do you need to evaluation of pitching yeast?
1. If you are correctly handled your yeast, they …
Beer Taste Testing
October 4, 2012 # 5:45 PM # Flavour Evaluation # No Comment
What is it?
Beer taste testing is considered a chemical method of analysis and the most important for quality control. The …
Microorganisms Found in Water
September 26, 2012 # 4:35 AM # Microbiology # One Comment
Micro-microorganisms Present in Water
Algae, protozoa, fungi, yeasts and bacteria may be present in water. They are able to present a …
Kieselguhr (KG) or Diatomaceous Earth (DE)
September 8, 2012 # 6:00 PM # Beer Processing # One Comment
What is kieselguhr?
Kieselguhr (KG) or diatomaceous earth (DE) is the fossilized remain of microscopic single celled aquatic algae. It is …
Plate and Frame Filter (Sheet Filter)
September 7, 2012 # 9:50 PM # Beer Processing # No Comment
This filter consists of a frame and plates alternating places on a support which hold stake (see below picture). Filter …
Horizontal Leaf Filter (ZHF Filter)
September 7, 2012 # 8:52 PM # Beer Processing # No Comment
This filter also called ZHF. It is designed by Schenk to achieved high filter capacity. The common supplier on the …
Why Filter Beer?
September 7, 2012 # 8:09 PM # Beer Processing # No Comment
Finished beer is needed in order to achieve colloidal and microbiological stability. So, the beer must be rendered stable so …
Candle Filter
September 4, 2012 # 8:53 PM # Beer Processing # No Comment
Candle filter is simple filter without moving parts. All of candles are mounted on a perforated plate. Both candles and …
