{"hq_id":"hq-c-org-001942","name":"Ptaquiloside","context":"human_adult","timestamp":"2026-08-28T02:48:08.178Z","risk_level":"moderate","risk_profile":{"magnitude":{"mean":0.353618,"weightedMean":0.353618,"std_dev":0.112149,"confidence_interval_95":[0.475,0.475],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.475,"weight":0.35},{"source":"IARC","year":1987,"value":0.25,"weight":0.41}]},"confidence":{"mean":0.672632,"weightedMean":0.672632,"std_dev":0.159501,"confidence_interval_95":[0.82,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":1987,"value":0.82,"weight":0.41}]},"recency":{"mean":0.730263,"weightedMean":0.730263,"std_dev":0.24922,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":1987,"value":0.5,"weight":0.41}]},"methodology":{"mean":0.861842,"weightedMean":0.861842,"std_dev":0.149532,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":1987,"value":1,"weight":0.41}]},"specificity":{"mean":0.828289,"weightedMean":0.828289,"std_dev":0.084735,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":1987,"value":0.75,"weight":0.41}]},"consensus":{"exists":false,"strength":0.25234,"disagreement_magnitude":0.323087,"warning":"limited_synthesis"}},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. HQ_DIRECT classifies as higher risk (48th percentile), while IARC concludes lower risk (25th percentile).","confidence_note":"Moderate-quality evidence base.","context_note":null,"warning":"limited_synthesis"},"sources":[{},{"id":"iarc_ptaquiloside_v40_sup7_1987","type":"iarc_monograph","title":"IARC Monographs Vol 40 / Supplement 7: Bracken fern and some of its constituents — ptaquiloside (CAS 87625-62-5) Group 3, not classifiable as to its carcinogenicity to humans (limited evidence in experimental animals); the parent plant bracken fern (Pteridium aquilinum) is a separate agent classified Group 2B (sufficient evidence in animals) (1987)","year":1987,"url":"https://www.inchem.org/documents/iarc/vol40/brackenfern.html"}],"sources_scope":"record","warnings":["limited_synthesis"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":2,"db_version":10},"schema":"synthesis","_notice":"ALETHEIA output is reference data, not professional advice. Not a substitute for primary agency sources or qualified professionals. See https://aletheia.holisticquality.io/disclaimer.","_disclaimer_url":"https://aletheia.holisticquality.io/disclaimer","available_contexts":["human_adult","human_child","dog","cat","aquatic_life","human_teen","human_elderly","human_infant","human_pregnant"]}