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Brewery yeast propagation service

AJL logoThe brewery yeast you need when you need it - guaranteed to perform.

Let's face it, propagating brewery yeast looks easy, but it's not. You think you've got everything right, but for some reason you find that some contaminant bacteria or yeast have crept in there. You have to start again. Or worse still, conditions in the yeast propagator - oxygen, amino acid concentrations, or zinc availability haven't been quite right. To begin with you didn't really notice anything untoward. But after two or three generations in the brewery your fermentations and beer have started to show the tell-tale signs. Slow fermentation, poor brewery yeast crops, insufficient diacetyl reduction - or worse.

There's an alternative to all this. Allow us to propagate your brewery yeast for you. We already do it for more than a hundred breweries all over the world. We can propagate enough yeast for you to pitch your brewery yeast propagator or a small fermenter. Yeast is propagated to order from your culture in our laboratories then shipped to your brewery by courier on ice.

What sort of brewery yeasts can be propagated?

We can propagate pretty much any brewery yeast strain - we tailor the propagation conditions to suit your yeast strain. We can propagate:

  • Ale brewery yeasts
  • Stout yeasts
  • Lager brewery yeasts
  • Wheat beer yeasts
  • Yeasts for non-alcoholic and low-alcohol beers
  • Yeasts for bottle conditioning, including Brettanomyces strains

What does it cost to have my brewery yeast propagated?

Volume of propagator or fermenter to be inoculated Approximate number of cells Cost excluding shipping
16 hl / 10 barrels 400 billion cells provided as a concentrated slurry derived from a 50 litre propagation. 395 GBP
24 hl / 15 barrels 600 billion cells provided as a concentrated slurry derived from a 75 litre propagation. 495 GBP
Call us today on +44 1372 822218 or fill out our enquiry form

yeast supply

brewing yeast strains

yeast storage

The Alfred Jørgensen Laboratory can supply regular quality-assured cultures of your own brewing yeast.

Trusted brewery partners since 1881. All brewery yeast cultures are fully traceable and tracked during shipping. Phytosanitary certificates and other forms of official documentation are also provided for all brewing yeast cultures produced by AJL.

Before dispatching a brewing yeast culture to you we carry out a range of quality assessments, including: checks for foreign contaminants such as wild yeasts and bacteria, checks on yeast colony morphology to assure culture purity, checks on yeast flocculation performance to assure fermentation consistency and checks on DNA composition to assure yeast culture identity.

The world's largest collection of industrial brewery yeasts - ale, lager, stout, wheat beer and a range of specialist cultures.

With 850 brewing yeast strains in our collection we have the yeast you need to bring a new lease of life to your beer. Revitalize your beer flavour. Super-charge your flavour stability. Invigorate your beer foam.

With three major industrial collections of yeast strains for beer under our control, with some yeast strain dating back to the 1890s, we have a brewing yeast to fit almost any need. No matter what type of beer you're producing - lager, ale, wheat beer, stout or something else - we can select a yeast strain to give you the beer  you want, made with the brewing equipment you have.

Brewers all over the world rely on our confidential safe deposit service to protect and preserve their brewery yeast strains.

Brewery yeast strains, selected for the flavours they give to your beer, and the way they behave in your brewing process, must be looked after if their natural tendency to change is to be countered. Preservation and maintenance of industrial brewing yeast strains is an important job. It needs a high degree of technical skill and the right equipment.

All brewery yeast cultures held by us are stored at  -196oC in liquid nitrogen - one culture in the UK, a second culture in Denmark. All brewing yeast strains are held confidentially for the exclusive use of the brewery or brewery group that deposited them.
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