Results 1 to 10 of about 106,891 (345)

Effects of a high-prebiotic diet versus probiotic supplements versus synbiotics on adult mental health: The “Gut Feelings” randomised controlled trial

open access: yesFrontiers in Neuroscience, 2023
BackgroundPreliminary evidence supports the use of dietary interventions and gut microbiota-targeted interventions such as probiotic or prebiotic supplementation for improving mental health.
Tanya M. Freijy   +15 more
doaj   +2 more sources

Prebiotic effects: metabolic and health benefits [PDF]

open access: yesBritish Journal of Nutrition, 2010
The different compartments of the gastrointestinal tract are inhabited by populations of micro-organisms. By far the most important predominant populations are in the colon where a true symbiosis with the host exists that is a key for well-being and ...
Agnes Meheust   +94 more
core   +3 more sources

Prebiotic Homochirality as a Critical Phenomenon [PDF]

open access: yesOrig.Life.Evol.Biosph.36:501-505,2006, 2006
The development of prebiotic homochirality on early-Earth or another planetary platform may be viewed as a critical phenomenon. It is shown, in the context of spatio-temporal polymerization reaction networks, that environmental effects -- be them temperature surges or other external disruptions -- may destroy any net chirality previously produced.
A Brandenburg   +18 more
arxiv   +4 more sources

Nitrogen Oxide Concentrations in Natural Waters on Early Earth [PDF]

open access: yes, 2019
A key challenge in origins-of-life studies is estimating the abundances of species relevant to the chemical pathways proposed to have contributed to the emergence of life on early Earth. Dissolved nitrogen oxide anions (NO$_{X}^{-}$), in particular nitrate (NO$_{3}^{-}$) and nitrite (NO$_{2}^{-}$), have been invoked in diverse origins-of-life chemistry,
Babbin, Andrew R.   +4 more
arxiv   +3 more sources

The first peptides: the evolutionary transition between prebiotic amino acids and early proteins [PDF]

open access: yesJournal of Theoretical Biology 261 (2009) 531-539, 2009
The issues we attempt to tackle here are what the first peptides did look like when they emerged on the primitive earth, and what simple catalytic activities they fulfilled. We conjecture that the early functional peptides were short (3 to 8 amino acids long), were made of those amino acids, Gly, Ala, Val and Asp, that are abundantly produced in many ...
Buhrman, Harry   +4 more
arxiv   +8 more sources

Prebiotic, Probiotic, and Synbiotic Supplementation in Chronic Kidney Disease: A Systematic Review and Meta-analysis [PDF]

open access: yesJournal of renal nutrition, 2019
Gut dysbiosis has been implicated in the pathogenesis of chronic kidney disease (CKD). Restoring gut microbiota with prebiotic, probiotic, and synbiotic supplementation has emerged as a potential therapeutic intervention but has not been systematically ...
Campbell, Katrina L.   +3 more
core   +2 more sources

Carob Syrup: Prebiotic Potential of a Neglected Functional Beverage of Mediterranean Countries [PDF]

open access: yesFoods
Carob syrup, a traditional Mediterranean functional beverage obtained from Ceratonia siliqua (L.) pods, has been historically valued for its nutritional properties but is currently underutilized.
Lorenzo Nissen   +10 more
doaj   +2 more sources

A thermodynamic basis for prebiotic amino acid synthesis and the nature of the first genetic code [PDF]

open access: yes, 2009
Of the twenty amino acids used in proteins, ten were formed in Miller's atmospheric discharge experiments. The two other major proposed sources of prebiotic amino acid synthesis include formation in hydrothermal vents and delivery to Earth via meteorites.
Chakrabarti S.   +2 more
arxiv   +3 more sources

Changes of digestible starch composition and improvements of prebiotic properties in modified taro starch by heat treatment [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2021
This study investigated the composition of digestible starch and prebiotic properties of taro starch due to different heating treatments. The taro starch has been treated by annealing (24 hrs, 50 °C), heat moisture treatment (moisture 25%, 3 hrs, 110 ...
R. Haryo Bimo Setiarto   +5 more
doaj   +1 more source

An open label, non-randomized study assessing a prebiotic fiber intervention in a small cohort of Parkinson’s disease participants

open access: yesNature Communications, 2023
A pro-inflammatory intestinal microbiome is characteristic of Parkinson’s disease (PD). Prebiotic fibers change the microbiome and this study sought to understand the utility of prebiotic fibers for use in PD patients.
Deborah Hall   +16 more
semanticscholar   +1 more source

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