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Zymurgy

Posts on general brewing science, yeast biology, etc.

Brewing Science Yeast Wrangling Your Home Yeast Lab Zymurgy 

Optimizing Yeast Starters and Large-Scale Yeast Production

September 20, 2022September 20, 2022 Bryan 8 Comments

Optimizing yeast starters is important for the frugal brewer and for producing large batches of beer. But what can you achieve at at home?

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Brewing Science Vintage Beers Zymurgy 

Metabisulfite and Long-Aged Beers

March 12, 2022January 26, 2023 Bryan 6 Comments barleywine, brewing methods, experiment, long-aged beers, Metabisulfite, video, vintage beers

This is a short summary of a 7-year experiment looking at whether metabisulfite can be used to increase the lifespan of long-aged beers.

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Old Man Yells at Cloud
Brewing Science Zymurgy 

How Not To Test A Sanitizer

January 20, 2022May 25, 2022 Bryan 5 Comments brewing science, experiment, sanitizer

A post in which I grumble about the tendency of home and pro brewers to “test” sanitizers stupidly, leading to a lot of bad information.

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photo of two IPAs
Brewing Science Homebrewing Recipes Zymurgy 

Lactic Yeast Throwdown

March 19, 2021March 19, 2021 Bryan 6 Comments GMO, lachancea, quick sours, recipe, tasting notes

Lactic Yeast throwdown! A side-by-side comparison of Lallemands Sourvisiae and Philly Sour lactic acid producing yeasts.

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Brewing Science Zymurgy 

Diving Deep In To Sourvisiae

February 19, 2021February 21, 2021 Bryan 9 Comments GMO, kettle sours, yeast

A deep dive into Lallemand’s Sourvisiae yeast: how it was made, addressing a few myths, and a look at how it behaves in the brewhouse.

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Brewing Science Zymurgy 

Philly Sour on Milk The Funk “The Podcast”

February 15, 2021February 28, 2021 Bryan 0 Comments lachancea, podcast, sour beer

On Saturday I was a last minute guest on Milk The Funk “The Podcast” where we talked about my work on Philly Sour.

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Brewing Science Zymurgy 

Diving Deep In To Philly Sour

February 12, 2021February 15, 2021 Bryan 33 Comments kettle sours, lachancea, philly sour, repitching, sour beer, wild yeast

A deep dive into the Philly Sour yeast, looking at its fermentation profile, how to repitch it successfully, and other factors affecting the character of the resulting beer.

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Brewing Science Zymurgy 

The (Not So Great) Lachancea Patent

December 8, 2020December 8, 2020 Bryan 5 Comments ITS, lachancea, patent

An in-depth look into whether an attempt to patent a “unique” Lachancea species for brewing is legitimate or not. Warning: science follows.

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Brewing Science Sour & Wild Wild Brewing Yeast Wrangling Your Home Yeast Lab Zymurgy 

Podcast: Homebrewing DIY

April 3, 2020April 3, 2020 Bryan 0 Comments podcast, wild brewing, wild yeast, yeast lab

Listen in for my interview with the Homebrewing DIY podcast, where Colter and I discuss wild brewing and home yeast labs.

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Brewing Science Zymurgy 

Using PCR to Identify Contamination in Beer – Part 3

December 4, 2019December 4, 2019 Bryan 2 Comments contamination, diastaticus, PCR, quality control

Note to my readers: This technique does not work as well as hoped, for reasons discussed below. I am, however,

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Recent Posts

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Recent Comments

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  • Roman on Diving Deep In To Philly Sour
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