{"id":"W4409828937","doi":"10.1016/j.focha.2025.100992","title":"Rwandan Coffee arabica has caffeine increasing with altitude, but undetectable phytomelatonin","year":2025,"lang":"en","type":"article","venue":"Food Chemistry Advances","topic":"Coffee research and impacts","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Caffeine; Arabica coffee; Altitude (triangle); Traditional medicine; Horticulture; Biology; Medicine; Internal medicine; Mathematics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001605134,0.0002317603,0.0003885894,0.0000610313,0.0002063485,0.00007474796,0.0001536669,0.00008763243,0.0003020006],"category_scores_gemma":[0.0004297024,0.0001809276,0.00006845722,0.0004294154,0.0002466709,0.0001539797,0.00007148115,0.0003732513,0.00001183515],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001583305,"about_ca_system_score_gemma":0.0007524189,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004140056,"about_ca_topic_score_gemma":0.00005452088,"domain_scores_codex":[0.9984743,0.00002372696,0.0002018116,0.0003736492,0.0003854263,0.0005410754],"domain_scores_gemma":[0.9989129,0.0001583953,0.00007267717,0.0004049645,0.0001439565,0.0003070617],"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":[0.003229528,0.0003996328,0.0125354,0.002132133,0.0004877897,0.0001309073,0.00006513613,0.00004502748,0.9602761,0.00004252832,0.001534343,0.01912142],"study_design_scores_gemma":[0.00266441,0.0006603655,0.003643516,0.0008679767,0.00008220338,0.0001523331,0.0001955092,0.00005334965,0.9206501,0.0001986533,0.07061663,0.0002150005],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.920996,0.009734076,0.0001512969,0.001583869,0.0000424289,0.0002664632,0.00002681859,0.0001353265,0.06706379],"genre_scores_gemma":[0.9922563,0.0003244436,0.0009932525,0.0001214632,0.0001469368,0.00003130516,0.00003241845,0.00002135762,0.0060725],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0712604,"threshold_uncertainty_score":0.7378014,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01427192990228742,"score_gpt":0.2806347527404788,"score_spread":0.2663628228381913,"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."}}