Extraction of water soluble beta-1,3 glucan with a Macchinetta extractor

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To obtain a water soluble β-glucan, the application of a Macchinetta extractor was investigated. As a result, the water soluble β-glucan was extracted efficiently from a tuckahoe and various edible funguses. As the other applications, tannin from tree barks, glycyrrhizinic acid from a licorice, and berberine from a coptis rhizome and a phellodendron bark, were also efficiently extracted. The bio-activities of these extracts were high. Especially, β-glucan extracted from bunashimeji (Hypsizygus marmoreus) had a high antitumor activity.