Component

Gut microbial butyrate production

Gut microbial butyrate production. Species, exposure and limitations are retained in each linked claim.

3 recorded relationships. Experimental role, claim status and evidence remain attached to each record.

How nutrients influence it

Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.

How nutrients reach it in more than one step

Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.

Tracing routes…

What it does

Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.

Recorded relationships

What acts on it

  1. Adding glucose prevented lactate utilization by the tested lactate-to-butyrate isolates until glucose was exhausted.

    D-glucose → Gut microbial butyrate production source_derived_draftungraded
    Experimental context and source evidence
    evidence_access
    Primary abstract
    experimental_model
    Anaerobic batch cultures.
    limitations
    A substrate-preference experiment does not mean dietary glucose universally suppresses human butyrate production.
    nutrient_topic
    Butyrate collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Butyrate
    plain_language
    The available carbohydrate changed which substrate microbes used first.
    primary_references
    Lactate-utilizing bacteria, isolated from human feces, that produce butyrate as a major fermentation product. · 2004 · https://pubmed.ncbi.nlm.nih.gov/15466518/ · DOI 10.1128/AEM.70.10.5810-5817.2004

    Butyrate: microbial production, fuel use, signaling and nutrient interactions (2026-09-19) · lines 70–76

    AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Anaerobic batch cultures. · source_derived_draft · unverified_draft

    ## butyrate-glucose-switch The available carbohydrate changed which substrate microbes used first. Adding glucose prevented lactate utilization by the tested lactate-to-butyrate isolates until glucose was exhausted. Model: Anaerobic batch cultures. Limitations: A substrate-preference experiment does not mean dietary glucose universally suppresses human butyrate production. Evidence access: Primary abstract Lactate-utilizing bacteria, isolated from human feces, that produce butyrate as a major fermentation product. · 2004 · https://pubmed.ncbi.nlm.nih.gov/15466518/ · DOI 10.1128/AEM.70.10.5810-5817.2004
    Complete structured claim and evidence
  2. Antibiotic pretreatment abolished the berberine-associated rise in butyrate.

    Experimental context and source evidence
    availability_state
    machinery_impairment Imported condition classification; unverified.
    evidence_span
    {"source_cache": "artifacts/berberine-research/28403947.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877", "start_char": 0, "end_char": 2151, "text_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877"}
    experimental_model
    Bacterial culture and animal route/antibiotic experiments
    exposure
    Oral versus intraperitoneal berberine; antibiotics and direct butyrate comparison
    limitations
    Preclinical evidence. Butyrate production was an indirect microbial route; injected berberine retained separate metabolic effects without raising butyrate. Does not establish probiotic synergy in people.
    nutrient_topic
    Berberine research collection; topical membership is not evidence of a direct dietary effect. · Berberine
    organism
    Gut bacteria and rodents
    plain_language
    This branch weakened when the organisms producing the metabolite were removed.
    primary_references
    [berberine-p28403947] Berberine-induced bioactive metabolites of the gut microbiota improve energy metabolism. (2017). https://pubmed.ncbi.nlm.nih.gov/28403947/ DOI: 10.1016/j.metabol.2017.02.003
    tissue_or_cell_type
    Short-chain fatty acid production
    trigger_kind
    machinery_impairment Imported condition classification; unverified.

    Berberine: metabolism, nutrient connections and drug interactions (2026-09-17) · lines 1065–1076

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Bacterial culture and animal route/antibiotic experiments · source_derived_draft · unverified_draft

    ### berberine-butyrate-antibiotics Antibiotic pretreatment abolished the berberine-associated rise in butyrate. Condition category: machinery_impairment nutrient_topic: Berberine research collection; topical membership is not evidence of a direct dietary effect. plain_language: This branch weakened when the organisms producing the metabolite were removed. organism: Gut bacteria and rodents tissue_or_cell_type: Short-chain fatty acid production experimental_model: Bacterial culture and animal route/antibiotic experiments limitations: Preclinical evidence. Butyrate production was an indirect microbial route; injected berberine retained separate metabolic effects without raising butyrate. Does not establish probiotic synergy in people. exposure: Oral versus intraperitoneal berberine; antibiotics and direct butyrate comparison evidence_span: {"source_cache": "artifacts/berberine-research/28403947.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877", "start_char": 0, "end_char": 2151, "text_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877"} [berberine-p28403947] Berberine-induced bioactive metabolites of the gut microbiota improve energy metabolism. (2017). https://pubmed.ncbi.nlm.nih.gov/28403947/ DOI: 10.1016/j.metabol.2017.02.003
    Complete structured claim and evidence
  3. Oral berberine increased microbial butyrate production in the animal and bacterial-culture experiments.

    Berberine → Gut microbial butyrate production source_derived_draftungraded
    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/berberine-research/28403947.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877", "start_char": 0, "end_char": 2151, "text_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877"}
    experimental_model
    Bacterial culture and animal route/antibiotic experiments
    exposure
    Oral versus intraperitoneal berberine; antibiotics and direct butyrate comparison
    limitations
    Preclinical evidence. Butyrate production was an indirect microbial route; injected berberine retained separate metabolic effects without raising butyrate. Does not establish probiotic synergy in people.
    nutrient_topic
    Berberine research collection; topical membership is not evidence of a direct dietary effect. · Berberine
    organism
    Gut bacteria and rodents
    plain_language
    Microbes can turn a drug exposure into a change in metabolite supply.
    primary_references
    [berberine-p28403947] Berberine-induced bioactive metabolites of the gut microbiota improve energy metabolism. (2017). https://pubmed.ncbi.nlm.nih.gov/28403947/ DOI: 10.1016/j.metabol.2017.02.003
    tissue_or_cell_type
    Short-chain fatty acid production

    Berberine: metabolism, nutrient connections and drug interactions (2026-09-17) · lines 987–998

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Bacterial culture and animal route/antibiotic experiments · source_derived_draft · unverified_draft

    ### berberine-butyrate-production Oral berberine increased microbial butyrate production in the animal and bacterial-culture experiments. Condition category: normal nutrient_topic: Berberine research collection; topical membership is not evidence of a direct dietary effect. plain_language: Microbes can turn a drug exposure into a change in metabolite supply. organism: Gut bacteria and rodents tissue_or_cell_type: Short-chain fatty acid production experimental_model: Bacterial culture and animal route/antibiotic experiments limitations: Preclinical evidence. Butyrate production was an indirect microbial route; injected berberine retained separate metabolic effects without raising butyrate. Does not establish probiotic synergy in people. exposure: Oral versus intraperitoneal berberine; antibiotics and direct butyrate comparison evidence_span: {"source_cache": "artifacts/berberine-research/28403947.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877", "start_char": 0, "end_char": 2151, "text_sha256": "cfddc94ff2b2fde20038169c5734cb9d4968c6939ebb94052b9638c8043cc877"} [berberine-p28403947] Berberine-induced bioactive metabolites of the gut microbiota improve energy metabolism. (2017). https://pubmed.ncbi.nlm.nih.gov/28403947/ DOI: 10.1016/j.metabol.2017.02.003
    Complete structured claim and evidence

In the sources

Preserved passages that mention this component, quoted exactly. Open one to read it in context.

    This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.

    Evidence, AI assistance and curation standards