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Old 02-08-2012, 07:53 PM   #1
May 2010
South China, Maine
Posts: 79

Does anyone know if any of the following bacteria are known for high diacetyl production:
Streptococcus thermophilus
Lactobacillus delbrueckii subsp. bulgaricus
Lactobacillus acidophilus
Bifidobacterium lactis
I want to brew a slightly sour Wit, but didn't plan ahead very well and all I have is a yogurt starter that contains a blend of those. Any insight into functionality here?

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Old 02-11-2012, 01:35 AM   #2
Apr 2009
Boise, ID
Posts: 1,608
Liked 38 Times on 33 Posts

Pediococcus is the big diacetyl culprit. I don't know about the first and last on the list, but the two lactos are ok.

If you just want a slightly sour wit, you also have the option of using sour malt or a small amount of 88% lactic acid.
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