SEARCH PRODUCERS OF POLYPHENOLS AND SOME PIGMENTS AMONG BASIDIOMYCETES
2014
Fedotov О. V. | Veligodska A. K.
General content of polyphenols, carotenoids and melanin in basidiomycetes carpophorus was determined. 50 species were studied, 27 of which belong to the Polyporales form and 23 are to the Agaricales form. In order to determine the total content of phenolic substances spectrophotometric methods were used. Polyphenols were studied in alcoholic extracts through the modified Folin-Chokalteu procedure; melanin — by alkaline hydrolysis and calculated using a calibration curve (by pyrocatechol), carotenoids were studied in acetone extracts and calculated by the Vetshteyn formula. Statistical and cluster analysis of the data enabled to identify species of basidiomycetes that are perspective for biotechnology. The most promising in terms of total polyphenols, carotenoids and melanins of poliporal basidiomycetes are species Fomes fomentarius, Ganoderma applanatum, Ganoderma lucidum and Laetiporus sulphureus, and among agarikal fungi — Fistulina hepatica, Flammulina velutipes, Pleurotus ostreatus, Stropharia rugosoannulata, Agrocybe cylindracea and Tricholoma flavovirens. These species of Basidiomycetes were isolated in pure mycelia culture to find out their biosynthetic activity.
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