Abstract
The article explores effect of colloidal nanoparticles (NPs) of Ag, Fe, and Mg metals on the growth activity of the medicinal mushroom Inonotus obliquus (Ach.:Pers.) Pilát and the synthesis of biologically active compounds (polysaccharides, flavonoids, and melanins). It was found that all the studied NPs stimulated growth activity. AgNPs inhibited polysaccharide and flavonoid synthesis, and stimulated melanin synthesis by 140%. Using MgNPs was effective to increase the level of accumulation of endopolysaccharides, flavonoids, and melanin pigments. FeNPs significantly increased the yield of endopolysaccharides. This effect should be used for biosynthesis stimulation for polysaccharides, flavonoids, and melanins obtaining from I. obliquus cultivated in vitro. The results demonstrate the potential of the use of metal colloidal solutions NPs for the development of environmentally friendly and effective biotechnology to produce biologically active compounds by medicinal macromycete I. obliquus.
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