{"id":"W2087788443","doi":"10.1039/b402241f","title":"Catechin and hydroxybenzhydrols as models for the environmental photochemistry of tannins and lignins","year":2004,"lang":"en","type":"article","venue":"Photochemical & Photobiological Sciences","topic":"Tea Polyphenols and Effects","field":"Medicine","cited_by":34,"is_retracted":false,"has_abstract":false,"ca_institutions":"Natural Resources Canada; University of Victoria","funders":"","keywords":"Quinone methide; Chemistry; Photoisomerization; Catechin; Photochemistry; Lignin; Quinone; Absorption (acoustics); Proanthocyanidin; Organic chemistry; Condensed tannin; Polyphenol; Isomerization; Antioxidant; Catalysis; Materials science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002370655,0.0003572939,0.0001736547,0.0003046708,0.0002390663,0.0002673296,0.0004129788,0.0003942483,0.0009358957],"category_scores_gemma":[0.000126101,0.0002051363,0.0002368292,0.0002811192,0.0003192064,0.0003664231,0.0001875716,0.0007054937,0.0001388731],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006793801,"about_ca_system_score_gemma":0.0002488972,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002403748,"about_ca_topic_score_gemma":0.003340629,"domain_scores_codex":[0.9998628,0.00004346998,0.000004287041,0.00002739527,0.0000272714,0.00003471829],"domain_scores_gemma":[0.9999124,0.00002314085,0.00001426394,0.00001462868,0.00001285878,0.00002271652],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0006325075,0.0001415601,0.0003591035,0.00008495145,0.00002010083,0.00005611216,0.00005083012,0.001462008,0.9919791,0.002990185,0.0001254379,0.00209805],"study_design_scores_gemma":[0.00003721155,0.000438634,0.000761638,0.000004312013,0.00002212665,0.00003803932,0.00001846629,0.003966595,0.9915741,0.0004758454,0.002656237,0.000006806845],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9830598,0.004435163,0.009075205,0.0002609923,0.0001029953,0.00005545686,0.0003093666,0.00009618654,0.002604763],"genre_scores_gemma":[0.9913293,0.001777616,0.00302445,0.00004019486,0.0000212892,0.00002954856,0.0002839419,0.00001645443,0.003477123],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002403748,"threshold_uncertainty_score":0.004929245,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0235351273072575,"score_gpt":0.2808707064650769,"score_spread":0.2573355791578195,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}