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Constituents of cultivated Agaricus blazei

Abstract

Two phenylhexane derivatives (1, 2), benzoylergostane (3), N-benzoyl-l-leucine methyl ester (4), two known ergostanes, and highly degraded incisterol were isolated from fruit bodies of Agaricus blazei. Compound 3 exhibited strong cytotoxicity toward HepG2 cells (IC50 = 6.0 ± 0.33 μM).

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Fig. 1
Fig. 2

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Acknowledgments

The authors thank Marukura Co., Ltd (Onojo City, Fukuoka) for supplying the fruiting bodies of Agaricus blazei. The authors are grateful for access to the superconducting NMR instrument at the Analytical Center of Molecular Medicine of the Graduate School of Biomedical Sciences, Hiroshima University, and an Applied Biosystem QSTAR XL system ESI (Nano Spray)–TOF–MS at the Analytical Center of Molecular Medicine and the Analysis Center of Life Science, respectively, of the Hiroshima University Faculty of Medicine.

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Correspondence to Hideaki Otsuka.

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Ueguchi, Y., Matsunami, K., Otsuka, H. et al. Constituents of cultivated Agaricus blazei . J Nat Med 65, 307–312 (2011). https://doi.org/10.1007/s11418-010-0495-5

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  • DOI: https://doi.org/10.1007/s11418-010-0495-5

Keywords

  • Agaricus blazei
  • Basidomycota
  • Agaricaceae
  • Phenylhexane
  • Ergostane
  • Cytotoxicity