Sui Generis Brewing Banner

Sui Generis Brewing

Homebrewing, Brewing Science, Yeast Wrangling and More!

  • Homebrewing
    • General Homebrewing
    • DIY
    • Recipes
    • Vintage Beers
    • Random
  • Brewing Science
    • General Zymurgy
    • Beer on the Brain
    • Fact or Fiction?
  • Yeast Wrangling
    • Your Home Yeast Lab
    • Adventures in Yeast Wrangling
  • Sour & Wild
    • Collecting Wild Yeasts
    • Wild Brewing
    • Classical Sours
    • Rapid Sours
    • Brett & Alternative Fermenters
    • Solera Brewing
  • Food
    • Fermented Foods
    • Beer in Food
    • Beer-Adjacent Foods
    • Cheese Making
  • Resources
    • μBrews – Microscopy in the Brewery
    • Animalcules
    • Blog & Video Series
    • Podcasts & Interviews
    • Yeast Bank
    • Links
  • About SGB

contamination

Cheese with alte blowing
Cheese Making Food 

Late Blowing in Cheese Making

March 10, 2023March 10, 2023 Bryan 0 Comments cheese, contamination, food safety, milk, pasturizaiton, raw milk

A look at the cause and prevention of a common and dangerous form of contamination in cheese making – late blowing.

Read more
Cheese showing early blowing
Cheese Making Food 

Early Blowing in Cheese Making

March 7, 2023March 10, 2023 Bryan 0 Comments cheese, contamination, food safety, milk, pasturizaiton, raw milk

A look at the cause and prevention of one of the more common forms of contamination in cheese making – early blowing.

Read more
Nitrosamines
Brewing Science Fact or Fiction? 

Fact or Fiction Part VI – Nitrosamines in Beer.

July 7, 2020July 7, 2020 Bryan 5 Comments Bacillus coagulans, brewing issues, contamination, Escherichia blattae, Nitrosamines, Obesumbacterium Proteus

In this article I discuss the formation of nitrosamines during fermentation, the risk presented by these compounds, and what we as brewers can do to eliminate them.

Read more
botulism toxin
Brewing Science Fact or Fiction? 

Fact or Fiction – Botulism in Beer? Part V

January 29, 2020November 2, 2020 Bryan 14 Comments botulism, brewing issues, contamination, pathogens

An in-depth discussion of the risk of introducing botulism during brewing.

Read more
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,

Read more
Contamination by PCR
Brewing Science Zymurgy 

Using PCR to Identify Contamination in Beer – Part 2

November 24, 2017December 4, 2019 Bryan 4 Comments contamination, diastaticus, PCR, quality control

Note to my readers: This technique does not work as well as hoped. I am, however, completing this series as

Read more
Quality Control - Schematic
Brewing Science Zymurgy 

Using PCR to Identify Contamination in Beer – Part 1

November 22, 2017December 4, 2019 Bryan 7 Comments contamination, diastaticus, infection, PCR, quality control

Note to my readers: This technique does not work as well as hoped. I am, however, completing this series as

Read more
Brewing Science Zymurgy 

To Vrai or Not To Vrai – Another White Labs Controversy?

May 12, 2017September 15, 2017 Bryan 10 Comments contamination, white labs

The Short Version Brewing practices in both home and commercial breweries have undergone somewhat of a revolution over the past

Read more
DIY Yeast Wrangling Your Home Yeast Lab 

Purifying Yeast from Infected Cultures – Part 2

May 8, 2015September 15, 2017 Bryan 0 Comments contamination, streak plates, video, yeast isolation

A couple of days ago I put up a post describing the first step in purifying a contaminated yeast culture.

Read more
Adventures in Yeast Wrangling Yeast Wrangling 

Purifying Yeast from Infected Cultures – Part 1

May 5, 2015September 15, 2017 Bryan 13 Comments bacteria, contamination, yeast isolation

Mixed Saccharomyces (large ovoid cells) and Brettanomyces (elongated cells) yeast culture contaminated with cocci (top-centre “string”) and rod-shaped bacteria One of

Read more
  • ← Previous

Recent Posts

  • The Fifty Meter Beer Project Part 12 – Hop Harvest!
  • The Fifty Meter Beer Project Part 12 – Yeast Tests!
  • The Fifty Meter Beer Project Part 11 – Threshing and Winnowing, Sad Hops, and Wild Yeast!
  • The Fifty Meter Beer Project Part 10 – Harvesting Bere and a Q&A
  • The Fifty Meter Beer Project Part 9 – Capturing Wild Yeast + an Update

Recent Comments

  • Bryan on Fact or Fiction – Safety and Health of Raw Milk
  • Scott on Fact or Fiction – Safety and Health of Raw Milk
  • Scott on Fact or Fiction – Safety and Health of Raw Milk
  • Demy on The Fifty Meter Beer Project Part 10 – Harvesting Bere and a Q&A
  • Robert on Making Yogurt at Home

Archives

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org
Content in Sui Generis Brewing is liscensed under a 2023 Creative Commons Attribution 4.0 International license.
Theme Modified from ColorMag by ThemeGrill. Powered by WordPress.