{"id":"2789ca20-6b47-52ea-a401-9dc062dac2bf","stable_key":"ca8e9e6a-6953-51ec-b712-2b06398a416d:ra-gi-model-null","predicate":"no_detected_change_in_recorded_comparison","statement":"The GI model without added L. johnsonii did not hydrolyze RA detectably.","claim_class":"observational","status":"source_recorded","evidence_grade":"ungraded","direction":"neutral","is_public":true,"mechanism_event_id":"efd52866-1da2-5185-92e9-452f42cbd89e","mechanism_event_label":"The GI model without added L. johnsonii did not hydrolyze RA detectably.","subject":{"id":"6072a4ae-d563-5466-a1b2-6d280255d346","slug":"rosmarinic-acid","display_name":"Rosmarinic acid","entity_type_key":"small_molecule"},"object":{"id":"4779ee05-4979-5f03-a901-89bd5f1edb4d","slug":"ra-gi-model-hydrolysis","display_name":"RA hydrolysis in the simulated GI preparation","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"efd52866-1da2-5185-92e9-452f42cbd89e","stable_key":"ca8e9e6a-6953-51ec-b712-2b06398a416d:ra-gi-model-null-event","event_type":"experimental_observation","label":"The GI model without added L. johnsonii did not hydrolyze RA detectably.","description":"### ra-gi-model-null\n\nThe GI model without added L. johnsonii did not hydrolyze RA detectably.\nA negative digestion result limits universal claims that host digestive enzymes inevitably split RA.\nModel and exposure: Rosemary extract exposed to model pH, bile salts and digestive enzymes.\nLimitations: Limited to the recorded preparation, model, exposure and endpoint. Does not establish a human dietary deficiency, clinical benefit or unique molecular mediation.\nReference: Hydrolysis of rosmarinic acid from rosemary extract with esterases and Lactobacillus johnsonii in vitro and in a gastrointestinal model. | 2009 | https://pubmed.ncbi.nlm.nih.gov/19658402/ | https://doi.org/10.1021/jf9014262 | Access: Indexed primary abstract/metadata only; unextracted doses, figures and methods remain unknown.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"6072a4ae-d563-5466-a1b2-6d280255d346","slug":"rosmarinic-acid","display_name":"Rosmarinic acid","entity_type_key":"small_molecule"},"role":"tested factor","stoichiometry":null,"state_label":"GI-model passage without added bacteria","sequence_order":0,"notes":""},{"entity":{"id":"4779ee05-4979-5f03-a901-89bd5f1edb4d","slug":"ra-gi-model-hydrolysis","display_name":"RA hydrolysis in the simulated GI preparation","entity_type_key":"cellular_process"},"role":"measured outcome","stoichiometry":null,"state_label":"no_detected_change","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_access","value_text":"Indexed primary abstract/metadata only; unextracted doses, figures and methods remain unknown.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_contrast","value_text":"{\"intervention\": \"GI-model passage without added bacteria\", \"comparator\": \"Starting RA\", \"endpoint\": \"The GI model without added L. johnsonii did not hydrolyze RA detectably.\", \"effect_direction\": \"no_detected_change\", \"combination\": \"single\", \"conditions\": []}","comparator":null,"unit":null,"notes":"Explicit extracted experimental comparison; recorded from source.","entity":null},{"dimension":"experimental_model","value_text":"Rosemary extract exposed to model pH, bile salts and digestive enzymes.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"interpretation_status","value_text":"Recorded from source with stated access limits; ungraded, not independent replication.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Limited to the recorded preparation, model, exposure and endpoint. Does not establish a human dietary deficiency, clinical benefit or unique molecular mediation.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"Rosmarinic acid collection; exact intervention and molecular form govern interpretation.","comparator":null,"unit":null,"notes":"","entity":{"slug":"rosmarinic-acid","display_name":"Rosmarinic acid","entity_type_key":"small_molecule"}},{"dimension":"plain_language","value_text":"The GI model without added L. johnsonii did not hydrolyze RA detectably.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"Hydrolysis of rosmarinic acid from rosemary extract with esterases and Lactobacillus johnsonii in vitro and in a gastrointestinal model. | https://pubmed.ncbi.nlm.nih.gov/19658402/ | https://doi.org/10.1021/jf9014262","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"source_locator","value_text":"Reviewed reference ra-gi-model-null; A negative digestion result limits universal claims that host digestive enzymes inevitably split RA.","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"19943922-be28-5ae2-922b-ec31dd7160d7","evidence_kind":"source_excerpt","locator":"Lines 93-99","start_line":93,"end_line":99,"excerpt":"### ra-gi-model-null\n\nThe GI model without added L. johnsonii did not hydrolyze RA detectably.\nA negative digestion result limits universal claims that host digestive enzymes inevitably split RA.\nModel and exposure: Rosemary extract exposed to model pH, bile salts and digestive enzymes.\nLimitations: Limited to the recorded preparation, model, exposure and endpoint. Does not establish a human dietary deficiency, clinical benefit or unique molecular mediation.\nReference: Hydrolysis of rosmarinic acid from rosemary extract with esterases and Lactobacillus johnsonii in vitro and in a gastrointestinal model. | 2009 | https://pubmed.ncbi.nlm.nih.gov/19658402/ | https://doi.org/10.1021/jf9014262 | Access: Indexed primary abstract/metadata only; unextracted doses, figures and methods remain unknown.","model_system":"Rosemary extract exposed to model pH, bile salts and digestive enzymes.","directness":"reported_statement","verification_status":"source_recorded","notes":"Original paraphrase in the retained reviewed reference, not a verbatim primary-paper quotation. Access level is explicit.","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"606cff22-a6ed-59cd-a84d-87f44c59dc25","stable_key":"import-ca8e9e6a-6953-51ec-b712-2b06398a416d","title":"Rosmarinic acid: detailed mechanisms of action (reviewed 10 October 2026)","document_type":"imported_text","citation_label":"AI-assisted original curation of primary studies; claim-local access and experimental limitations stated. Includes original-draft correction history. No independent replication claimed.","file_path":"","sha256":"684b4eab1dc2c0057f679109770af0de9340af5cd933377b590298cf8a752956","revision_id":"4028d9c5-fb17-54c5-b72c-c6d21678a832","review_status":"source_recorded","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}