title: Efficacy of supplementation of selected medicinal mushrooms with inorganic selenium salts.
abstract: The aim of the study was to evaluate the possibility of supplementation with inorganic forms of selenium (Na2SeO4 and Na2SeO3) in concentrations of 0, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0 and 1.5 mM of three medicinal mushroom species: Agrocybe aegerita, Hericium erinaceus and Ganoderma lucidum. Tested mushroom species grew in Se additions of 0-0.6 mM (A. aegerita and H. erinaceus), while growth of G. lucidum bodies was observed for 0-0.8 mM. For the latter mushroom species, the total Se content was the highest. Content of Seorg was diverse; for control bodies it was the highest for G. lucidum (only organic forms were present), lower for A. aegerita (84% organic forms) and the lowest for H. erinaceus (56% organic forms). Accumulation of Se(IV) was generally significantly higher than Se(VI) for all tested mushroom species. There was no significant decrease of A. aegerita or G. lucidum biomass with the exception of G. lucidum bodies growing under 0.8 mM of Se species addition (15.51 ± 6.53 g). Biomass of H. erinaceus bodies was the highest under 0.2 (197.04 ± 8.73 g), control (191.80 ± 6.06 g) and 0.1 mM (185.04 ± 8.73 g) of both inorganic salts. The addition to the medium of Se salts brought about macroscopic changes in the fruiting bodies of the examined mushrooms. Concentrations exceeding 0.4 mM caused diminution of carpophores or even their total absence. In addition, colour changes of fruiting bodies were also recorded. At Se concentrations of 0.4 and 0.6 mM, A. aegerita fruiting bodies were distinctly lighter and those of H. erinaceus changed colour from purely white to white-pink.
authors.affiliation: a Department of Analytical Chemistry, Faculty of Chemistry , Adam Mickiewicz University in Poznań , Poznań, Poland.
authors.forename: Przemysław
authors.initials: P
authors.lastname: Niedzielski
authors.forename: Mirosław
authors.initials: M
authors.lastname: Mleczek
authors.forename: Marek
authors.initials: M
authors.lastname: Siwulski
authors.forename: Monika
authors.initials: M
authors.lastname: Gąsecka
authors.forename: Lidia
authors.initials: L
authors.lastname: Kozak
authors.forename: Iwona
authors.initials: I
authors.lastname: Rissmann
authors.forename: Patrycja
authors.initials: P
authors.lastname: Mikołajczak
mesh_terms: D055362:Agrocybe / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D001487:Basidiomycota / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D018533:Biomass; D019587:Dietary Supplements; D005526:Food, Formulated; D010946:Plants, Medicinal / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D020940:Reishi / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D064586:Selenic Acid / Q000494:pharmacology; D020887:Selenious Acid / Q000494:pharmacology; D012643:Selenium / Q000493:pharmacokinetics; D018036:Selenium Compounds / Q000494:pharmacology*; D018038:Sodium Selenite / Q000494:pharmacology
chemical_list: D018036:Selenium Compounds; D020887:Selenious Acid; D012643:Selenium; D018038:Sodium Selenite; D064586:Selenic Acid
keywords: Agrocybe aegerita; Ganoderma lucidum; Hericium erinaceus; Selenium; medicinal mushroom