{"id":"5cab9828-89cf-58b4-aec0-488864baeb4a","stable_key":"e1af6d55-ced5-56c9-9a2d-8cc2ae6ec3ff:nasunin-cultivar-composition","predicate":"is_major_pigment_in_subset_of","statement":"Across 123 accessions, nasunin dominated one pigment-profile type; other types had different major anthocyanins.","claim_class":"observational","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"9ef60242-565c-59ee-b3e0-a9d538e257a4","mechanism_event_label":"Not every eggplant supplies the same pigment mixture.","subject":{"id":"6553997f-f098-5507-95b4-0fdb8aac491d","slug":"nasunin","display_name":"Nasunin","entity_type_key":"small_molecule"},"object":{"id":"a2a1cfbe-3f4e-5a11-b53e-9d5ca7bc137c","slug":"nasunin-plant-accumulation","display_name":"Nasunin accumulation in eggplant peel","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"9ef60242-565c-59ee-b3e0-a9d538e257a4","stable_key":"e1af6d55-ced5-56c9-9a2d-8cc2ae6ec3ff:nasunin-cultivar-composition-event","event_type":"observed_intervention","label":"Not every eggplant supplies the same pigment mixture.","description":"Across 123 accessions, nasunin dominated one pigment-profile type; other types had different major anthocyanins.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"d7a938d5-17e7-59cf-ae4e-346db2d85960","slug":"delphinidin-3-rutinoside","display_name":"Delphinidin 3-rutinoside / D3R","entity_type_key":"small_molecule"},"role":"alternative_major_pigment","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"5a3646a9-d8c9-5925-b6a8-beebe930333c","slug":"delphinidin-3-glucoside","display_name":"Delphinidin 3-O-beta-D-glucopyranoside","entity_type_key":"small_molecule"},"role":"alternative_major_pigment","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""},{"entity":{"id":"6553997f-f098-5507-95b4-0fdb8aac491d","slug":"nasunin","display_name":"Nasunin","entity_type_key":"small_molecule"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":2,"notes":""},{"entity":{"id":"a2a1cfbe-3f4e-5a11-b53e-9d5ca7bc137c","slug":"nasunin-plant-accumulation","display_name":"Nasunin accumulation in eggplant peel","entity_type_key":"cellular_process"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":3,"notes":""}]},"contexts":[{"dimension":"evidence_span","value_text":"{\"source_cache\": \"artifacts/nasunin-research/18831559.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"045daf8743c9dca084d41d63153a56f2de0c593011796849436d7e052952464f\", \"start_char\": 0, \"end_char\": 1129, \"text_sha256\": \"045daf8743c9dca084d41d63153a56f2de0c593011796849436d7e052952464f\"}","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"123-accession survey and purified-pigment radical assays","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"exposure","value_text":"HPLC structural characterization and DPPH/linoleic-acid radical tests","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Pigment profiles vary by accession; a purple peel is not a quantitative nasunin assay. Cell-free antioxidant rankings do not rank human benefits.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"Nasunin research collection; topical membership is not evidence of a direct dietary effect.","comparator":null,"unit":null,"notes":"","entity":{"slug":"nasunin","display_name":"Nasunin","entity_type_key":"small_molecule"}},{"dimension":"organism","value_text":"Eggplant and related Solanum species; cell-free assays","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"plain_language","value_text":"Not every eggplant supplies the same pigment mixture.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"[nasunin-p18831559] Structures and antioxidant activity of anthocyanins in many accessions of eggplant and its related species. (2008). https://pubmed.ncbi.nlm.nih.gov/18831559/ DOI: 10.1021/jf801322m","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"tissue_or_cell_type","value_text":"Peel composition and radical scavenging","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"34f3f3de-f11c-5100-9b29-f1e7fe6470aa","evidence_kind":"source_excerpt","locator":"Lines 172-183","start_line":172,"end_line":183,"excerpt":"### nasunin-cultivar-composition\nAcross 123 accessions, nasunin dominated one pigment-profile type; other types had different major anthocyanins.\nCondition category: normal\nnutrient_topic: Nasunin research collection; topical membership is not evidence of a direct dietary effect.\nplain_language: Not every eggplant supplies the same pigment mixture.\norganism: Eggplant and related Solanum species; cell-free assays\ntissue_or_cell_type: Peel composition and radical scavenging\nexperimental_model: 123-accession survey and purified-pigment radical assays\nlimitations: Pigment profiles vary by accession; a purple peel is not a quantitative nasunin assay. Cell-free antioxidant rankings do not rank human benefits.\nexposure: HPLC structural characterization and DPPH/linoleic-acid radical tests\nevidence_span: {\"source_cache\": \"artifacts/nasunin-research/18831559.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"045daf8743c9dca084d41d63153a56f2de0c593011796849436d7e052952464f\", \"start_char\": 0, \"end_char\": 1129, \"text_sha256\": \"045daf8743c9dca084d41d63153a56f2de0c593011796849436d7e052952464f\"}\n[nasunin-p18831559] Structures and antioxidant activity of anthocyanins in many accessions of eggplant and its related species. (2008). https://pubmed.ncbi.nlm.nih.gov/18831559/ DOI: 10.1021/jf801322m","model_system":"123-accession survey and purified-pigment radical assays","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. Study references: [nasunin-p18831559] Structures and antioxidant activity of anthocyanins in many accessions of eggplant and its related species. (2008). https://pubmed.ncbi.nlm.nih.gov/18831559/ DOI: 10.1021/jf801322m","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"2c43df19-ccb0-58f1-b9a4-bc92cda6de5a","stable_key":"import-e1af6d55-ced5-56c9-9a2d-8cc2ae6ec3ff","title":"Nasunin: identity, redox chemistry and nutrient connections (2026-09-17)","document_type":"imported_text","citation_label":"AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text.","file_path":"","sha256":"56552c208433294bf9a6c95513d981dbe4d00fd8336c121816d7b8bd6604d50e","revision_id":"b0296d49-32d7-52dc-a23c-5e862da0fba3","review_status":"unverified_draft","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}