prebiotic

American  

[pree-bahy-ot-ik] / ˌpri baɪˈɒt ɪk /

adjective

1. Also existing or occurring before life, or serving as a precursor to it.

   These molecules played a critical role in the prebiotic evolution of life.

   Even if habitable conditions existed only briefly, relics of prebiotic chemistry or rudimentary life still might remain.

2. being, having, or relating to a substance containing dietary fiber that stimulates the growth or activity of beneficial bacteria in the gastrointestinal tract.

   Oats contain the prebiotic fiber beta-glucan.

   Prebiotic food sources include bananas, leeks, onions, chicory, asparagus, and artichoke.

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noun

1. a substance containing dietary fiber that stimulates the growth or activity of beneficial bacteria in the gastrointestinal tract.

   Our group has begun to develop strategies for incorporating prebiotics into convenience foods.

prebiotic British  

/ ˌpriːbaɪˈɒtɪk /

adjective

1. occurring or existing before the emergence of life

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Etymology

Origin of prebiotic

First recorded in 1950–55 prebiotic for def. 1, 1990–95 prebiotic for def. 2; pre- ( def. ) + biotic ( def. )

Example Sentences

"They might actively participate in early prebiotic chemistry, catalyzing further reactions that lead toward life."

From Science Daily

Last March, The New York Times published the article, “Why Are We Living in the Golden Age of ‘Gut Soda’?” pointing to the rising popularity of prebiotic sodas like Olipop and Poppi.

From Salon

A healthy microbiome, fed with prebiotic fibre that boosts health bacteria in the gut, can potentially reduce anxiety and depression risk.

From BBC

Clinical trials suggest certain fibres – prebiotic fibres that feed the microbiome – can help improve mood.

From BBC

The researchers note that having hydrogen isocyanide on the crystal surface increases the likelihood that even more complex prebiotic molecules could form there.

From Science Daily