{"hq_id":"hq-c-org-000614","name":"Calcium peroxide (flour bleaching agent; E930)","context":"human_adult","timestamp":"2026-08-28T02:49:31.505Z","risk_level":"low","risk_profile":{"magnitude":{"mean":0.2,"weightedMean":0.2,"std_dev":0,"confidence_interval_95":[0.2,0.2],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.2,"weight":0.35}]},"confidence":{"mean":0.5,"weightedMean":0.5,"std_dev":0,"confidence_interval_95":[0.5,0.5],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35}]},"recency":{"mean":1,"weightedMean":1,"std_dev":0,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35}]},"methodology":{"mean":0.7,"weightedMean":0.7,"std_dev":0,"confidence_interval_95":[0.7,0.7],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35}]},"specificity":{"mean":0.92,"weightedMean":0.92,"std_dev":0,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0,"warning":"single_source_warning"}},"interpretation":{"summary":"Single source (HQ_DIRECT, 2026) indicates low risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[{"id":"calcium_peroxide_e930_1305-79-9_efsa2008","type":"regulatory","title":"Calcium Peroxide CAS 1305-79-9 CaO2 E930 Flour Bleaching Maturing Agent; FDA 21 CFR 137.105 ≤75 ppm; EU E930; EFSA 2008 EFSA Journal 6(6):723 No Safety Concern; CaO2 + H2O → Ca(OH)2 + H2O2 Active Species; Catalase Peroxidase H2O2 Degradation Natural Cellular Metabolite; Carotenoid Bleaching Conjugated Chromophore Oxidation White Flour; Gluten Disulfide Bond Sulfhydryl Oxidation Strengthening; No Problematic By-Products vs Bromate Carcinogenicity vs ADA Semicarbazide; Calcium Nutritive By-Product; In-Situ Chemical Oxidation Groundwater Remediation Different Environmental Use; Baker's Improver Blends Complement Ascorbic Acid","year":2008}],"sources_scope":"record","warnings":["unmapped_classification:IARC:not evaluated by iarc for carcinogenicity — calciu","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":37,"warnings":["unmapped_classification:IARC:not evaluated by iarc for carcinogenicity — calciu"]},"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","aquatic_life","human_teen","human_elderly","human_infant","human_pregnant"]}