{"id":"e2b7c8fb-f40b-5b15-9574-1434810b155c","stable_key":"35ec55a7-323c-5c28-979e-3bdafe9d5769:class-member-petunidin-3-glucoside","predicate":"includes_chemical_class_member","statement":"The anthocyanin class includes Petunidin 3-O-glucoside; membership does not transfer experimental effects.","claim_class":"identity","status":"source_derived_draft","evidence_grade":"ungraded","direction":"neutral","is_public":true,"mechanism_event_id":"55626ad3-c6d9-5252-b169-d8e475e74ddd","mechanism_event_label":"The anthocyanin class includes Petunidin 3-O-glucoside; membership does not transfer experimental effects.","subject":{"id":"a1b1c9c3-cafe-5dd6-a590-f56222d3a4cc","slug":"anthocyanins","display_name":"Anthocyanins","entity_type_key":"chemical_species"},"object":{"id":"f83b1d8d-b81f-560e-928a-ab4411cf7441","slug":"petunidin-3-glucoside","display_name":"Petunidin 3-O-glucoside","entity_type_key":"small_molecule"},"evidence_count":1,"mechanism_event":{"id":"55626ad3-c6d9-5252-b169-d8e475e74ddd","stable_key":"35ec55a7-323c-5c28-979e-3bdafe9d5769:class-member-petunidin-3-glucoside-event","event_type":"chemical_class_membership","label":"The anthocyanin class includes Petunidin 3-O-glucoside; membership does not transfer experimental effects.","description":"Anthocyanins are a class of glycosylated pigments, not one circulating drug. Their anthocyanidin cores include cyanidin, delphinidin, pelargonidin, peonidin, petunidin and malvidin. Sugar position, sugar identity, methylation and acylation change their behavior. Cyanidin, cyanidin-3-O-glucoside, cyanidin-3-O-galactoside and cyanidin-3,5-O-diglucoside are separate molecules. Nasunin is a distinct acylated delphinidin glycoside; it must not inherit every result obtained with cyanidin-3-glucoside. The tested aglycones and glycosides illustrate why the individual structures matter. [Purified-compound comparison](https://pmc.ncbi.nlm.nih.gov/articles/PMC7541926/).","status":"provisional","compartment":null,"participants":[{"entity":{"id":"a1b1c9c3-cafe-5dd6-a590-f56222d3a4cc","slug":"anthocyanins","display_name":"Anthocyanins","entity_type_key":"chemical_species"},"role":"tested factor","stoichiometry":null,"state_label":"as reported","sequence_order":0,"notes":""},{"entity":{"id":"f83b1d8d-b81f-560e-928a-ab4411cf7441","slug":"petunidin-3-glucoside","display_name":"Petunidin 3-O-glucoside","entity_type_key":"small_molecule"},"role":"measured outcome","stoichiometry":null,"state_label":"not_reported","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_access","value_text":"Full text retrieved; relevant methods/results/figure text reviewed. No independent raw-data verification.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"Chemical classification, not an intervention or efficacy result.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"interpretation_status","value_text":"Source-derived extraction of a fact-checked reference; access is explicit, not independent raw-data verification.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Glycosides remain separate from aglycones and from each other. This neutral identity record is navigation, not a signed causal mechanism.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"plain_language","value_text":"The anthocyanin class includes Petunidin 3-O-glucoside; membership does not transfer experimental effects.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"Anthocyanins inhibit tumor necrosis alpha-induced loss of Caco-2 cell barrier integrity. | 2017 | DOI 10.1039/c7fo00625j | PMID 28740990 | https://pubmed.ncbi.nlm.nih.gov/28740990/ | https://doi.org/10.1039/c7fo00625j | https://pubs.rsc.org/en/content/articlehtml/2017/fo/c7fo00625j","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"source_locator","value_text":"Reviewed reference lines 7-7; exact primary location described in quoted passage where extracted.","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"d1f91572-d901-59ea-a7cf-694ef37b3e85","evidence_kind":"source_excerpt","locator":"Lines 7-7","start_line":7,"end_line":7,"excerpt":"Anthocyanins are a class of glycosylated pigments, not one circulating drug. Their anthocyanidin cores include cyanidin, delphinidin, pelargonidin, peonidin, petunidin and malvidin. Sugar position, sugar identity, methylation and acylation change their behavior. Cyanidin, cyanidin-3-O-glucoside, cyanidin-3-O-galactoside and cyanidin-3,5-O-diglucoside are separate molecules. Nasunin is a distinct acylated delphinidin glycoside; it must not inherit every result obtained with cyanidin-3-glucoside. The tested aglycones and glycosides illustrate why the individual structures matter. [Purified-compound comparison](https://pmc.ncbi.nlm.nih.gov/articles/PMC7541926/).","model_system":"Chemical classification, not an intervention or efficacy result.","directness":"reported_statement","verification_status":"source_derived_draft","notes":"Exact excerpt of the retained AI-assisted reviewed reference; primary sources are cited in primary_references and access scope is retained. Not a verbatim quotation from a primary paper.","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"b08e7f7d-4d34-56d7-a185-2124f8d72b3c","stable_key":"import-35ec55a7-323c-5c28-979e-3bdafe9d5769","title":"Anthocyanins: detailed mechanisms of action (reviewed 4 October 2026)","document_type":"imported_text","citation_label":"Original AI-assisted review of primary studies and, where relevant, official regulatory records. Access level is retained per claim. Corrections, null results and unresolved questions remain explicit. Not publisher full text or independent replication.","file_path":"","sha256":"7cff1a47fbd9c625412b84162b1c823004b4162b7c009f9a11d5807fb8e04ef9","revision_id":"1bd4fa42-bfeb-5148-8250-fc363d8c1de0","review_status":"unverified_draft","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}