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International Journal of Medicinal Mushrooms
Импакт фактор: 1.423 5-летний Импакт фактор: 1.525 SJR: 0.431 SNIP: 0.716 CiteScore™: 2.6

ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344

Выпуски:
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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v18.i9.30
pages 781-792

Addition of Zeolites to Improve the Functional Characteristics of the Hen of the Wood or Maitake Medicinal Mushroom, Grifola frondosa (Agaricomycetes)

Jovana Vunduk
Institute for Food Technology and Biochemistry, University of Belgrade Faculty of Agriculture, Nemanjina 6, 11080 Belgrade, Serbia
Anita Klaus
lnstitute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Maja Kozarski
Institute for Food Technology and Biochemistry, University of Belgrade Faculty of Agriculture, Belgrade, Serbia
Radovan Dordevic
lnstitute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Zoran Miladinovic
Institute of General and Physical Chemistry, Belgrade, Serbia
Ljubinko Jovanovic
Faculty of Ecological Agriculture, Educons University, Sremska Kamenica, Serbia
Miomir Nikšić
Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Belgrade, Serbia
Leonardus Johannes Lambertus Donatus Van Griensven
Plant Research International, Wageningen University and Research, Bornsesteeg 1, 6708PD, Wageningen, The Netherlands

Краткое описание

Kaolinite and the modified natural zeolite minazel plus (M+) were used as supplements in substrate used for the production of the medicinal mushroom Grifola frondosa. Growth stimulation, expressed as yield and biological efficiency, was observed when M+ (1%) was added. The production cycle was shortened by half as a result of the zeolites' ion-exchange ability, stimulation of enzyme activity, and water retain capacity. Inductively coupled plasma optical emission spectrometry of fruiting bodies showed the absence of heavy metals (arsenic, cadmium, and lead), whereas the concentration of calcium increased greatly and the concentrations of iron, magnesium, and zinc increased moderately under the influence of M+. Solid-state nuclear magnetic resonance showed a positive impact on the β-glucan ratio, which could have been caused by the epimerization reaction stimulated by zeolites. The functionality of the mushroom was evaluated through several antioxidant activity assays, and in all cases a positive effect was established: M+ was statistically more effective in comparison with kaolinite. A strong correlation was established between the antioxidative activity of cultivated fruiting bodies and the tested compounds (total phenolic compounds, carbohydrates, and minerals).


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