DEFINITION

Lactobacillus acidophilus is a lactic acid-producing, Gram-positive, non-motile, non-spore-forming homofermentative bacterium presenting as rods, sometimes in short chains. Suitable cryoprotectants may be added to the concentrated bacteria following fermentation, after which the product is frozen and then freeze-dried. The formulated product may be blended with suitable diluents and/or bulking agents. It contains NLT 100% of the labeled viable cell count of the specified strain of Lactobacillus acidophilus.

• Strain La-14: Lactobacillus acidophilus La-14 (ATCC strain designation SD5212) is a pure, specific strain of Lactobacillus acidophilus. It produces 60% l-lactate and 40% d-lactate.

• Strain NCFM: Lactobacillus acidophilus NCFM (ATCC strain designation SD5221) is a pure, specific strain of Lactobacillus acidophilus. It produces 66% l-lactate and 34% d-lactate.