Discussion
Products that contain live microorganisms in sufficient numbers to alter intestinal microflora and promote intestinal microbial balance are known as ...................... .
Answer: B
Such products are probiotics.
A probiotic is a preparation of live micro-organisms, such as the lactobacilli and bifidobacteria in curd and fermented milks, which in adequate numbers benefit the host by improving the balance of the intestinal flora.
Prebiotics are the near miss: they are non-digestible food ingredients, such as inulin and fructo-oligosaccharides, that feed the beneficial bacteria but contain no living organisms. Antibiotics kill or inhibit bacteria rather than adding them, and enzymes are proteins, not micro-organisms.
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