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A 1984 rat study using tritium label rather than mass spectrometry.\nexposure: Capsaicin and dihydrocapsaicin administered into stomach, jejunum and ileum, with 2,4-dinitrophenol and sodium cyanide as metabolic inhibitors\nevidence_span: {\"source_cache\": \"artifacts/dihydrocapsaicin-research/6710495.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"a0a9a5cb2178f2b266fffe5efbd9580a0a1b5c03dd86b4bfe92b105194eb1f9b\", \"start_char\": 0, \"end_char\": 1416, \"text_sha256\": \"a0a9a5cb2178f2b266fffe5efbd9580a0a1b5c03dd86b4bfe92b105194eb1f9b\"}\n[dhc-p6710495] Gastrointestinal absorption and metabolism of capsaicin and dihydrocapsaicin in rats. 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