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PRE & PROBIOTICS
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PRE & PROBIOTICS

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A short description of the concepts of Pre and Probiotics

A short description of the concepts of Pre and Probiotics

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  • 1. Probiotic An oral supplement or a food product that contains a sufficient number of viable microorganisms to alter the microflora of the host and has potential health benifits.
  • 2. Prebiotic A nondigestible food ingredient that benefits the host by selectively stimulating the favorable growth and/or activity of 1 or more indigenous probiotic bacteria
  • 3. Synbiotic A product that contains both probiotics and prebiotics
  • 4. Postbiotic: A metabolic byproduct generated by a Probiotic microorganism that influences the host’s biological functions
  • 5. Functional food Any modified food that provides a health benefit beyond that ascribed to any specific nutrient/nutrients it contains. E.g  Yogurt  Itcontains Probiotic bacteria, prebiotics, and other dietary nutrients
  • 6. WHAT ARE PROBIOTICS Micro-organisms, typically members of the generaLactobacillus Bifidobacterium Streptococcus These bacteria are fermentive, obligatory, or facultative, anaerobic organisms. They are typically non motile and of varying shapes Predominate and prevail over potential pathogenic morgs in the GIT
  • 7. The most studied probiotic bacteria Lactobacillus rhamnosus GG (LGG) Bifidobacterium lactis, and Streptococcus thermophilus.
  • 8. Other Bacteria in Gut Klebsiella, Pseudomonas, Serratia, and Proteus species, also may be prominent flora. The difference
  • 9. How Probiotics help generate small molecular metabolic byproducts- like  short-chain fatty acids such as butyrate.  Lactic acid. These products are toxic to the opportunistic pathogens present in the gut.
  • 10. WHAT ARE PREBIOTICS Oligosaccharides Indigestible by humans Their presence selectively enhances proliferation of certain probiotic bacteria in the colon Especially Bifidobacteria species
  • 11. Prebiotic oligosaccharides Contains fructose chains with a terminal glucose Typically consist of 10 or fewer sugar molecules Examples  Fructo-oligosaccharides (FOSs)  Inulin  Galacto-oligosaccharides (GOSs), And  Soybean Oligosaccharides.
  • 12. INTESTINAL BACTERIAL FLORA Bacterial concentrations in the adult colon are typically 1012 colony-forming units per mL of intestinal contents 500 different bacterial species contribute to an adult’s colonic microflora. 99% of the microflora are accounted for by 30 to 40 species. [Tannock G. The intestinal microflora. In:Fuller R, Perdigón G, eds. Gut Flora, Nutrition, Immunity and Health. Oxford, England: Blackwell Press; 2003:1–23]
  • 13. POSSIBLE USE OF PROBIOTICS1. preventing acute gastrointestinal tract infections in healthy infants and children2. Treatment of Acute Infectious Diarrhea3. Prevention of Antibiotic-Associated Diarrhea4. Prevention of Atopic Disease5. Treatment of Atopic Disease6. Prevention of Necrotizing Enterocolitis in LBW Neonates7. Treatment of H.pylori Infection8. Chronic IBD9. Treatment of Chronic Ulcerative Colitis10. Treatment of Crohn Disease11. Irritable Bowel Syndrome and Constipation: Treatment12. Treatment of infantile Colic13. Combined Prebiotics And Probiotics To Prevent Allergy