Lab Certificate Look Up
A VLB certificate confirms that this lot has been independently tested by VLB in Berlin, a globally recognized and accredited laboratory specializing in brewing and fermentation science. Accreditation means the lab meets strict international standards for technical competence, impartiality, and consistent operation. This certification ensures the product meets specific microbiological and performance standards for quality and consistency.
Please reach out to your Yeast Canada Sales Manager if you have any questions!
Interpreting VLB CoAs
What it means.
Sample Name
Identifies the product being tested, including packaging, batch, and expiry date.
It also explains sampling and enrichment steps.
Yeasts
Test for wild yeasts that could contaminate beer. Grown on Lysine agar, which selects for wild yeast over brewing strains.
It should be 0.
In addition to plating, the sample underwent liquid enrichment using YM + CuSO₄ (yeast mold broth with copper sulfate), followed by analysis for S. cerevisiae var. diastaticus.
It should be negative.
Beer Lactobacilli & Beer Pediococci
Test for lactobacillus and pediococcus, spoilage bacteria common in brewing , using VLB-S7-S agar, which allows these specific bacteria to grow.
It should be 0.
Total Counts
(E. coli / coliform bacteria) General hygiene/sanitation test. using Standard Agar + Actidione (antifungal) to suppress yeast and isolate all bacteria.
This is a general idea of the hygiene of the plant. It should be below 5.