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The association of probiotics with well-being has a long history. Lactic acid bacteria, belonging to
the genus Lactobacillus and Bifidobacterium, have been shown to positively influence health.
Together they play an important role in the protection of the organism against harmful
microorganisms and also strengthen the host's immunesystem. The use of probiotic bacteria are
being considered for various conditions like lactose intolerance, hypertension, constipation etc. The
purpose of this paper is to review on the concept and the possible beneficial properties of probiotic
bacteria.
Keywords: Probiotics, Lactobacillus, Bifidobacterium, lactose intolerance