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  • Title: Study on immunostimulating activity of macrophage treated with purified polysaccharides from liquid culture and fruiting body of Lentinus edodes.
    Author: Lee HH, Lee JS, Cho JY, Kim YE, Hong EK.
    Journal: J Microbiol Biotechnol; 2009 Jun; 19(6):566-72. PubMed ID: 19597314.
    Abstract:
    Lentinus edodes is a well-known edible and medicinal mushroom used in Oriental cultures. Recently, L. edodes has attracted a lot of attention owing to its antifungal activity, antibacterial activity, antiviral activity, hepatoprotective effect, antitumor activities, and immunomodulatory and cytotoxic effects. In this study, the water-soluble crude polysaccharides, CPF and CPB, which were obtained from the fruiting body and culture cell-free broth of L. edodes by hot-water extraction and ethanol precipitation, were fractionated by DEAE cellulose and Sepharose CL-6B column chromatography, resulting in six polysaccharide fractions, CPFN-G-I, CPFN-G-II, CPFN-G-III, CPFA-G, CPBN-G, and CPBA-G. Among these fractions, CPFN-GI, CPBN-G, and CPBA-G were shown to stimulate the functional activation of macrophages including NO production cytokine expression and phagocytosis.
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