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Hanasanagin: a new antioxidative pseudo-di-peptide, 3,4-diguanidinobutanoyl-DOPA, from the mushroom, Isaria japonica |
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| Authors: | Akira Sakakura Kouichi Suzuki Hirotaka Katsuzaki Takashi Komiya Toshikatsu Imamura Yasuo Aizono Kunio Imai |
| Affiliation: | aFaculty of Bioresources, Mie University, Kurimamachiyacho, Tsu, Mie 514-8507, Japan bAseptic Sericulture System Laboratory, Minami-ku, Kyoto, Kyoto 601-8203, Japan cFaculty of Agriculture, Kobe University, Nada-ku, Kobe, Hyogo 657-8501, Japan |
| Abstract: | The ‘Hanasanagitake’ mushroom, Isaria japonica, is a folk medicine and a traditional health food. Fractionation of the 60% ethanol extract of the mushroom, guided by the antioxidant activity test, led to the isolation of a new pseudo-di-peptide, and it was called ‘hanasanagin’. Spectral analysis and chemical transformation determined the structure of hanasanagin as 3,4-diguanidinobutanoyl-DOPA. |
| Keywords: | Hanasanagin Pseudopeptide Antioxidant 3,4-Diguanidinobutanoyl-DOPA |
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