{"id":"b3d74e8d-5eed-55a4-a033-dd0294b9bccc","stable_key":"d17caac5-7018-5ca8-9e96-95afeb384bc4:pectin-stool-weight","predicate":"increases","statement":"Stool wet weight rose by 33% during pectin feeding.","claim_class":"observational","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"4ed4fd07-0d65-5513-b921-f86d503d642a","mechanism_event_label":"More material and water were passed in stool.","subject":{"id":"5449346d-7614-5c4b-bbd2-03fb4dd71aeb","slug":"pectin","display_name":"Pectin, structurally heterogeneous plant polysaccharides","entity_type_key":"chemical_species"},"object":{"id":"74ff6bd7-c4e5-5225-a9e7-8ae4ce955cf0","slug":"human-stool-wet-weight","display_name":"Human stool wet weight","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"4ed4fd07-0d65-5513-b921-f86d503d642a","stable_key":"d17caac5-7018-5ca8-9e96-95afeb384bc4:pectin-stool-weight-event","event_type":"observed_intervention","label":"More material and water were passed in stool.","description":"Stool wet weight rose by 33% during pectin feeding.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"5449346d-7614-5c4b-bbd2-03fb4dd71aeb","slug":"pectin","display_name":"Pectin, structurally heterogeneous plant polysaccharides","entity_type_key":"chemical_species"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"74ff6bd7-c4e5-5225-a9e7-8ae4ce955cf0","slug":"human-stool-wet-weight","display_name":"Human stool wet weight","entity_type_key":"cellular_process"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_span","value_text":"{\"source_cache\": \"artifacts/pectin-research/37887.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"ad5427835e84a210b32e8ceea45baeece0bc1e4488d5852a5b4244f51dc32a69\", \"start_char\": 0, \"end_char\": 1141, \"text_sha256\": \"ad5427835e84a210b32e8ceea45baeece0bc1e4488d5852a5b4244f51dc32a69\"}","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"Controlled feeding and balance study in five healthy men","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"exposure","value_text":"Nine-week protocol; 36 g/day pectin during last six weeks","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Small older study. Disappearance from stool supported fermentation but did not assign a particular enzyme or metabolic flux.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"Pectin research collection; topical membership is not evidence of a direct dietary effect.","comparator":null,"unit":null,"notes":"","entity":{"slug":"pectin","display_name":"Pectin, structurally heterogeneous plant polysaccharides","entity_type_key":"chemical_species"}},{"dimension":"organism","value_text":"Homo sapiens","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"plain_language","value_text":"More material and water were passed in stool.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"[pectin-p37887] The digestion of pectin in the human gut and its effect on calcium absorption and large bowel function. 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Disappearance from stool supported fermentation but did not assign a particular enzyme or metabolic flux.\nexposure: Nine-week protocol; 36 g/day pectin during last six weeks\nevidence_span: {\"source_cache\": \"artifacts/pectin-research/37887.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"ad5427835e84a210b32e8ceea45baeece0bc1e4488d5852a5b4244f51dc32a69\", \"start_char\": 0, \"end_char\": 1141, \"text_sha256\": \"ad5427835e84a210b32e8ceea45baeece0bc1e4488d5852a5b4244f51dc32a69\"}\n[pectin-p37887] The digestion of pectin in the human gut and its effect on calcium absorption and large bowel function. (1979). https://pubmed.ncbi.nlm.nih.gov/37887/ DOI: 10.1079/bjn19790062","model_system":"Controlled feeding and balance study in five healthy men","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. 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