prebiotic

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English[edit]

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Etymology[edit]

From pre- +‎ biotic.

Pronunciation[edit]

Noun[edit]

prebiotic (plural prebiotics)

  1. (chiefly in the plural) A substance in food that is hard to digest and promotes the growth of beneficial intestinal microorganisms. [from 20th c.]
    • 2009, Jo Ann Hattner & ‎Susan Anderes, Gut Insight, ISBN 0615285244, page 35:
      The table below includes plant foods we consider to be prebiotic “stars” since they are the foods listed in the scientific literature as sources of prebiotics.
    • 2015, David Shaw, translating Giulia Enders, Gut, Scribe 2016, p. 240:
      Prebiotics are nowhere near as well researched as probiotics, although there are already some sound results pertaining to how they work.

Adjective[edit]

prebiotic (not comparable)

  1. Before the advent of life.
    • 1986, Herrick Baltscheffsky, ‎Hans Jornvall, & ‎Rudolf Rigler, Molecular Evolution of Life, ISBN 0521336422, page 43:
      There are three compelling reasons that suggest that the first set of prebiotic coding sequences to be translated were repeats of base oligomers, the numbers of bases in oligomeric units not being multiples of three.
    • 2005, Peter Walde & ‎Laurent Boiteau, Prebiotic Chemistry: From Simple Amphiphiles to Protocell Models, ISBN 3540277595:
      As a result, studies of uncoded peptide bond formation are founded in using NCAs as substrates (even when obtained as the reactive species of the non-prebiotic CDI activation) for mimicking prebiotic processes.
    • 2006, Bernard Barbier, ‎Hervé Martin, & ‎Jacques Reisse, Lectures in Astrobiology: Vol I, ISBN 3540290044:
      The chemistry of cyanoacetylene, HC3N, can lead in aqueous solution to the prebiotic synthesis of pyrimidines.
    • 2010, Giovanni Occhipinti, Prebiotic chemistry and the origin of life, ISBN 8848811523, page 30:
      The amino acids which were formed through prebiotic reactions were surely chiral.
    • 2014, Theodore R. Johnstone, Boundaries of Evolution, ISBN 149074567X:
      Artificial prebiotic experiments were designed to mimic what might have occurred before life appeared.
  2. (of a food) Not digestible, but beneficial.
    • 2009, Jo Ann Hattner & ‎Susan Anderes, Gut Insight, ISBN 0615285244, page 35:
      The table below includes plant foods we consider to be prebiotic “stars” since they are the foods listed in the scientific literature as sources of prebiotics.
    • 2011, Teresa M. Paeschke & ‎William R. Aimutis, Nondigestible Carbohydrates and Digestive Health, ISBN 0470961813:
      Evidence of the prebiotic properties of polydextrose (PDX), resistant maltodextrin (RMD), and other soluble fiber sources are slowly emerging, but the body of evidence is small compared to the gold standard of fructo oligosaccharides (FOS) and inulin.
    • 2013, Polysaccharides—Advances in Research and Application, ISBN 1490103821:
      Our news journalists obtained a quote from the research from the University of Reading, “The ability to mediate a prebiotic modulation of gut microbiota has recently been suggested to have an inverse correlation with risk of cardiometabolic disease..."