{"id":"d5a026bd-70a8-5d3e-bd93-3b3e3458c893","stable_key":"475ea55a-65e9-51c3-a539-738a6a8f683f:mangiferin-bacterial-cleavage","predicate":"converts","statement":"An inducible activity in Bacteroides sp. MANG cleaved mangiferin to norathyriol.","claim_class":"mechanistic","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"452d1f7c-810e-567e-a09d-79beb26946a0","mechanism_event_label":"A bacterial system removes the attached sugar.","subject":{"id":"f524c891-41b2-5f32-95d1-20ded064c4f7","slug":"bacteroides-mang-c-glycosyl-cleaving-activity","display_name":"Bacteroides sp. 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MANG cleaved mangiferin to norathyriol.\nCondition category: normal\nnutrient_topic: Mangiferin research collection; topical membership is not evidence of a direct dietary effect.\nplain_language: A bacterial system removes the attached sugar.\norganism: Bacteroides sp. MANG\ntissue_or_cell_type: Bacterial culture\nexperimental_model: Isolated anaerobic human-fecal bacterium and cell-free extracts\nlimitations: One isolate; activity identity unresolved; not a prediction of every human microbiome.\nexposure: Mangiferin culture exposure, with transcription/translation inhibitors\nevidence_span: {\"source_cache\": \"artifacts/mangiferin-research/16141538.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"9bf5373ce89587337b6d0520b931f202d44771dba205220b8e340b9fa7446b88\", \"start_char\": 0, \"end_char\": 1356, \"text_sha256\": \"9bf5373ce89587337b6d0520b931f202d44771dba205220b8e340b9fa7446b88\"}\n[mangiferin-p16141538] Isolation of a human intestinal bacterium that transforms mangiferin to norathyriol and inducibility of the enzyme that cleaves a C-glucosyl bond. (2005). https://pubmed.ncbi.nlm.nih.gov/16141538/ DOI: 10.1248/bpb.28.1672","model_system":"Isolated anaerobic human-fecal bacterium and cell-free extracts","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. Study references: [mangiferin-p16141538] Isolation of a human intestinal bacterium that transforms mangiferin to norathyriol and inducibility of the enzyme that cleaves a C-glucosyl bond. (2005). https://pubmed.ncbi.nlm.nih.gov/16141538/ DOI: 10.1248/bpb.28.1672","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"267f942a-695a-5b62-a858-f71c06321ff5","stable_key":"import-475ea55a-65e9-51c3-a539-738a6a8f683f","title":"Mangiferin: metabolism, signaling 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. 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