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Local permeability is not systemic oral bioavailability.\nexposure: Dietary-concentration onion/broccoli extract perfusion\nevidence_span: {\"source_cache\": \"artifacts/sulforaphane-research/12756216.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"98a56e8d1e84bffe3a4213eb3619d52869f85d999355d0e0f487d412149101af\", \"start_char\": 0, \"end_char\": 1816, \"text_sha256\": \"98a56e8d1e84bffe3a4213eb3619d52869f85d999355d0e0f487d412149101af\"}\n[sulforaphane-p12756216] Absorption/metabolism of sulforaphane and quercetin, and regulation of phase II enzymes, in human jejunum in vivo. (2003). https://pubmed.ncbi.nlm.nih.gov/12756216/ DOI: 10.1124/dmd.31.6.805","model_system":"Human jejunal perfusion and parallel Caco-2 experiments","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. 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