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Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
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Microbes in the Production of Fermented Foods01:27

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Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
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Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
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Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
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Practical approaches to probiotics use.

Amel Taibi1, Elena M Comelli

  • 1Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S3E2, Canada.

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|May 7, 2014
PubMed
Summary
This summary is machine-generated.

Probiotics offer health benefits and can prevent various conditions, including infections and gastrointestinal issues. Health Canada guidelines support their use in patients of all ages for diverse therapeutic applications.

Keywords:
Canadaaliments fonctionnelsdirectivesdisease preventionfunctional foodsguidelinesprobioticsprobiotiquesprévention de maladiesrecommendations

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Area of Science:

  • Microbiology and immunology
  • Gastroenterology
  • Public health

Background:

  • Probiotics are live microorganisms conferring health benefits.
  • Their use in food and supplements is regulated by Health Canada.
  • Evidence from randomized controlled trials and guidelines informs their application.

Purpose of the Study:

  • To summarize current evidence on probiotic efficacy.
  • To provide guidance for healthcare professionals in Canada.
  • To highlight recommendations for healthy and diseased patients.

Main Methods:

  • Review of randomized controlled trials.
  • Analysis of guidelines from Health Canada, WHO, and expert committees.
  • Focus on evidence relevant to the Canadian context.

Main Results:

  • Probiotics can prevent upper respiratory tract infections, pouchitis, necrotizing enterocolitis, bacterial vaginosis, and antibiotic-associated diarrhea (including Clostridium difficile infection).
  • They are recommended for treating atopic eczema in cow's milk allergy and infectious diarrhea.
  • Additional benefits include preventing hypercholesterolemia, managing constipation, reducing urinary tract infections, improving irritable bowel syndrome symptoms, and mitigating side effects of Helicobacter pylori eradication therapy.

Conclusions:

  • Probiotics are generally safe and can be considered for patients of all ages.
  • Their use is supported for preventing and managing a range of health conditions.
  • Healthcare professionals can confidently recommend probiotics based on current evidence and guidelines.