the easy method is examination of clear zone of inhibition (mm) of target bacteria i.e. extending from culture of Lactobacillus species will measure and based on the presence or absence of zone the results are presented as positive or negative . Bacteriocin bioassay:The amount of bacteriocin production was calculated as arbitrary units (AU/ml). The arbitrary unit of the bacteriocin was defined as the reciprocal of the highest serial two fold dilution showing a clear zone of growth inhibition and is express in arbitrary units per ml.

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Article Antimicrobial activity of different Lactobacillus species ag...