FOOD RESOURCES 2021. Issue N 17. Article 02 — Інститут продовольчих ресурсів НААН України

Деталі: Опубліковано: Середа, 22 грудня 2021, 11:42; Перегляди: 784

2. RISKS EVALUATION OF TOXIC METALS ACCUMULATION BY SHIITAKE MUSHROOMS FROM VARIOUS COMPOSITION SUBSTRATES
https://doi.org/10.31073/foodresources2021-17-02
Larysa Arsenieva, Oleksandr Velikanov, Svitlana Stanislaviv
Pages: 14-21

Abstract
In this article, the emphasis is on the impact of risks that arise during the cultivation of shiitake mushrooms on natural and chromium-enriched substrates, given the urgency of the issue of food quality and safety, which is very acute in Ukraine today. Mushrooms have a huge potential as sources of biologically active metabolites of carbohydrate, lipid and protein origin, terpenoids, steroids, alkaloids, phenolic compounds, vitamins, minerals. Therefore, special attention is paid to the study of the possibility of using mushrooms as a safe source of biologically active substances and trace elements. In addition, the risks that arise during the accumulation of toxic elements by the fruiting body of the fungus from the substrate are outlined. The purpose of the study is a systematic analysis and evaluation of the potential risks that arise during the artificial cultivation of shiitake mushrooms and the impact and significance of various hazards, among which the greatest attention is paid to chemical one. The subject of the study is the evaluation of the risks of nutritional suitability (primarily for the toxic metals content) of shiitake mushrooms grown on natural and chromium citrate enriched nutrient media. Materials and methods: the content of toxic metals in shiitake mushrooms has been studied by atomic adsorption spectrometry. Sample preparation consisted of drying and ashing the mushrooms with subsequent dissolution in nitric acid qualification “pure for analysis”. Calibration of the device has been carried out using solutions obtained by diluting the standards of metal samples. Results. Features of accumulation of copper, zinc, lead and cadmium by shiitake mushrooms cultivated on substrates with different chromium content are considered. The content and concentration of trace elements in shiitake mushrooms, and especially heavy metals, are the main indicators to pay attention to during conducting risk control according to IEC / ISO 31000: 2009. Scope: the results of the study can be used in risk evaluation and HACCP system implementation in enterprises engaged in artificial cultivation of mushrooms.
Key words: cultivation, risk evaluation, shiitake mushrooms, accumulation of microelements, preset composition

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