Equipment Glossary Acknowledgements


Site Map
Introduction
Section 1
Brewing Your First Beer With Malt Extract
1 A Crash Course in Brewing
2 Brewing Preparations
3 Malt Extract and Beer Kits
4 Water for Extract Brewing
5 Hops
6 Yeast
7 Boiling and Cooling
8 Fermentation
9 Fermenting Your First Beer
10 What is Different for Brewing Lager Beer?
11 Priming and Bottling
Section 2
Brewing Your First Extract and Specialty Grain Beer
Section 3
Brewing Your First All-Grain Beer
Section 4
Formulating Recipes and Solutions

 

 

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Chapter 10 - What is Different for Brewing Lager Beer?

Yeast Differences


What makes lager beer different from ale beer, you ask?
Well, the main difference is temperature. Make that temperature and time. No, there's three: Temperature, Time and Yeast. Let's start with yeast.

As discussed in Chapter 6 - Yeast, lager yeasts like lower fermentation temperatures. Lager yeast produce less fruity esters than ale yeasts but can produce more sulfur compounds during primary fermentation. Many first time lager brewers are astonished by the rotten egg smell coming from their fermentors, sometimes letting it convince them that the batch is infected and causing them to dump it. Don't do it! Fortunately, these compounds continue to vent during the conditioning (lagering) phase and the chemical precursors of other odious compounds are gradually eaten up by the yeast. A previously rank smelling beer that is properly lagered will be sulfur-free and delicious at bottling time. Speaking of Time...

Previous Page Next Page
What is Different for Brewing Lager Beer?
10.0
Yeast Differences
10.1
Additional Time
10.2
Lower Temperatures
10.3
Autolysis
10.4
Yeast Starters and Diacetyl Rests
10.5
When to Lager
10.6
Aagh! It Froze!
10.7
Maintaining Lager Temperature
10.8
Bottling
Real Beer Page

Buy the print edition
Appendix A - Using Hydrometers
Appendix B - Brewing Metallurgy
Appendix C - Chillers
Appendix D - Building a Mash/Lauter Tun
Appendix E - Metric Conversions
Appendix F - Recommended Reading

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All material copyright 1999, John Palmer