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.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
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.
What acts on it
Adding glucose prevented lactate utilization by the tested lactate-to-butyrate isolates until glucose was exhausted.
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 evidenceAntibiotic 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 evidenceOral berberine increased microbial butyrate production in the animal and bacterial-culture experiments.
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
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.