{"id":"28b14c93-7353-55c7-8942-cb47578c4a8f","stable_key":"d17caac5-7018-5ca8-9e96-95afeb384bc4:pectin-human-microbiota-null","predicate":"did_not_significantly_change","statement":"The intervention did not significantly alter the measured fecal microbiota profiles.","claim_class":"observational","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"d9947f79-20e1-5584-be6c-27cdc9c44430","mechanism_event_label":"Laboratory cross-feeding does not guarantee a detectable stool-community change.","subject":{"id":"5a68dbc7-8a64-51ab-aa81-acc113c5c2dd","slug":"sugar-beet-pectin","display_name":"Sugar beet pectin","entity_type_key":"chemical_species"},"object":{"id":"13b04820-d193-5a6c-ad19-3b222461fdce","slug":"fecal-microbiota-composition","display_name":"Human fecal microbiota composition","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"d9947f79-20e1-5584-be6c-27cdc9c44430","stable_key":"d17caac5-7018-5ca8-9e96-95afeb384bc4:pectin-human-microbiota-null-event","event_type":"observed_intervention","label":"Laboratory cross-feeding does not guarantee a detectable stool-community change.","description":"The intervention did not significantly alter the measured fecal microbiota profiles.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"5a68dbc7-8a64-51ab-aa81-acc113c5c2dd","slug":"sugar-beet-pectin","display_name":"Sugar beet pectin","entity_type_key":"chemical_species"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"13b04820-d193-5a6c-ad19-3b222461fdce","slug":"fecal-microbiota-composition","display_name":"Human fecal microbiota composition","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/31547291.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"cd2a4b1f6d299d573d8ea5077447bc45c8d8c6da58fa25c7835f01c5488d9db4\", \"start_char\": 0, \"end_char\": 1451, \"text_sha256\": \"cd2a4b1f6d299d573d8ea5077447bc45c8d8c6da58fa25c7835f01c5488d9db4\"}","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"Randomized placebo-controlled feeding; young and older healthy adults","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"exposure","value_text":"15 g/day sugar beet pectin versus maltodextrin for four weeks","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Related analysis of the same cohort as PMID31324040, not an independent replication. 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