KnowraLactococcus lactisLinked fromLinked fromThe 5 pages that link to Lactococcus lactis, each with the reason it gives.All 5Related 3Compared with 2Sour creamRelated: It is among the starter bacteria that ferment cream into sour cream.Crème fraîcheRelated: Strains of this species help culture cream into crème fraîche.DiacetylRelated: Some strains produce diacetyl during butter and cheese fermentation.