Composition and mechanism of antitumor effects of Hericium erinaceus mushroom extracts in tumor-bearing mice.

作者: Sung Phil Kim , Mi Young Kang , Jae Ho Kim , Seok Hyun Nam , Mendel Friedman

DOI: 10.1021/JF201944N

关键词: Hot water extractionPhagocytosisPharmacologyHericium erinaceusGas chromatography–mass spectrometryNitric oxideImmunologyMushroomEthanolBioassayChemistry

摘要: We investigated antitumor effects of the following four extracts freeze-dried Hericium erinaceus mushrooms in Balb/c mice intracutaneously transplanted on backs with CT-26 colon cancer cells: HWE, hot water extraction by boiling for 3 h; MWE, microwaving 50% ethanol/water at 60 W min; and ACE AKE, 1% HCl or 3% NaOH 2 h. HWE MWE a higher content β-glucans, determined an assay kit, than MKE were active all bioassays. Gas chromatography/mass spectrometry analyses showed presence 40, 27, 16, 13 compounds, respectively, extracts. Daily intraperitoneal (ip) injections weeks significantly reduced tumor weights 38 41%. Tumor regressions associated changes biomarkers as compared to phosphate buffer (PBS)-treated control mice: 2.7- 2.4-fold increases cytolytic activity splenic natural killer (NK) cells; restored nitric oxide production phagocytosis ...

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