{"id":"e22f83b7-75ed-5d0a-998f-abb155d37942","stable_key":"00c24cfe-6189-5244-b81f-5d693e4e177d:chlorogenic_acid-neo-distinct","predicate":"was_analytically_distinguished_from","statement":"The analytical method separately quantified 5-CQA and 3-CQA.","claim_class":"identity","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"24f053cf-c6e8-5bd4-9493-e731f40ddd67","mechanism_event_label":"These positional isomers retain different database identities.","subject":{"id":"705c7f84-5840-55e1-be69-383cc8793a06","slug":"chlorogenic-acid","display_name":"Chlorogenic acid / 5-O-caffeoylquinic acid","entity_type_key":"small_molecule"},"object":{"id":"d979250c-e643-5b6d-a0b0-705a5820adfd","slug":"neochlorogenic-acid","display_name":"Neochlorogenic acid / 3-O-caffeoylquinic acid","entity_type_key":"small_molecule"},"evidence_count":1,"mechanism_event":{"id":"24f053cf-c6e8-5bd4-9493-e731f40ddd67","stable_key":"00c24cfe-6189-5244-b81f-5d693e4e177d:chlorogenic_acid-neo-distinct-event","event_type":"biochemical_relationship","label":"These positional isomers retain different database identities.","description":"The analytical method separately quantified 5-CQA and 3-CQA.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"705c7f84-5840-55e1-be69-383cc8793a06","slug":"chlorogenic-acid","display_name":"Chlorogenic acid / 5-O-caffeoylquinic acid","entity_type_key":"small_molecule"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"d979250c-e643-5b6d-a0b0-705a5820adfd","slug":"neochlorogenic-acid","display_name":"Neochlorogenic acid / 3-O-caffeoylquinic acid","entity_type_key":"small_molecule"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_span","value_text":"{\"source_cache\": \"artifacts/chlorogenic_acid-research/30326634.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"47354c1e3ee8848928923eabc23556d56e71fa1cda32d63a59d2b45f0fb24517\", \"start_char\": 0, \"end_char\": 2069, \"text_sha256\": \"47354c1e3ee8848928923eabc23556d56e71fa1cda32d63a59d2b45f0fb24517\"}","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"LC-electrochemical assay validated by high-resolution mass spectrometry","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"exposure","value_text":"Three caffeoylquinic-acid standards; eight coffee species and two harvest periods","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Chemical identity and food composition, not a human intervention. 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The numbering convention is explicit because historical 3/5 naming can be reversed.\nexposure: Three caffeoylquinic-acid standards; eight coffee species and two harvest periods\nevidence_span: {\"source_cache\": \"artifacts/chlorogenic_acid-research/30326634.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"47354c1e3ee8848928923eabc23556d56e71fa1cda32d63a59d2b45f0fb24517\", \"start_char\": 0, \"end_char\": 2069, \"text_sha256\": \"47354c1e3ee8848928923eabc23556d56e71fa1cda32d63a59d2b45f0fb24517\"}\n[chlorogenic_acid-p30326634] Determination of Three Main Chlorogenic Acids in Water Extracts of Coffee Leaves by Liquid Chromatography Coupled to an Electrochemical Detector. 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