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An enzyme assay does not establish clinical insulin sensitization; simulated hydrogen-bond changes are a proposed mechanism.\nexposure: CGA compared with cichoric acid; quantitative assay regimen not given in abstract\nevidence_span: {\"source_cache\": \"artifacts/chlorogenic_acid-research/27959494.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"4f4610d35c42975e3cc1026d2daa4014952bc442a58e711b430db873d22a7475\", \"start_char\": 0, \"end_char\": 1044, \"text_sha256\": \"4f4610d35c42975e3cc1026d2daa4014952bc442a58e711b430db873d22a7475\"}\n[chlorogenic_acid-p27959494] Characterization of Protein Tyrosine Phosphatase 1B Inhibition by Chlorogenic Acid and Cichoric Acid. 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