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Study on mycelial growth and β-glucan content by adjusting the culture medium compositions
Edible mushrooms have been used and researched as medicinal ingredients. They improve immunity and contain excellent anticancer components with large amounts of minerals such as iron, calcium, and potassium. Due to this reason, it has been hailed as a raw material for functional foods. Especially, β-glucan, known to be contained in Ganoderma incidum Karst, Coriolus versicolor, and Phellinus linteus, was reported to inhibit proliferation of cancer cells by activating immune function (macrophages, natural killer cells and T-cells). In addition, mushroom polysaccharides dissolve in water but are undigested ingredients, resulting in stimulating the immune system as well as staying of parasympathetic nervous system in the stomach for a long time. As a result, they induce increase of T-cells and NK cell that attacks cancer cell and has effect on the discharge of body's waste products, blood purification, and constipation improvement. In this study, we report the culture characteristics of Sparassis crispa as to the medium growth compositions, yeast, and elicitor treatments to investigate the optimal condition for the highest β-glucan production in mushrooms.
