Selenium bioaccumulation and associated nutraceutical properties in Calocybe indica mushroom cultivated on Se-enriched wheat straw

Rathore, Himanshi; Sharma, Abhıshek; Prasad, Sanjiva

doi:10.1016/j.jbiosc.2018.04.010

Cited by 35 publications

(22 citation statements)

References 34 publications

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“…As shown in the present study, Se supplemented in inorganic forms was transformed and determined in fruiting bodies in organic selenocompounds. Similar transformations were previously observed by Rzymski et al [26] in Agaricus bisporus and Rathore et al [45] in Calocybe indica. This is an important finding if one considers that the biological role of Se is mainly mediated by its organic form, particularly selenoproteins with selenocysteine at their active centre [46].…”

Section: Discussionsupporting

confidence: 88%

The effects of germanium and selenium on growth, metalloid accumulation and ergosterol content in mushrooms: experimental study in Pleurotus ostreatus and Ganoderma lucidum

Siwulski

Budzyńska

Rzymski

et al. 2019

Eur Food Res Technol

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The aim of this study was to examine the effects of substrate supplementation with germanium (Ge) and selenium (Se), alone or combined, on the growth, element accumulation and ergosterol content in the fruiting bodies of the mushroom species Ganoderma lucidum and Pleurotus ostreatus. Both species were grown in four independent experimental systems with different concentrations of germanium powder (1, 5 and 10 mM), selenite [Se(IV)] and selenate [Se(VI)] (0.1, 0.4 and 0.8 mM of each Se species). Se supplementation caused no observable changes to morphology while the addition of Ge induced changes in size and/or colour, especially for P. ostreatus. A synergistic effect of Ge supplementation on Se accumulation in fruiting bodies of G. lucidum was observed only at the two highest levels of supplementation with both elements. Even though inorganic Se was used to enrich the experimental substrates, organic Se compounds dominated in the fruiting bodies. Increasing levels of Ge in the substrates elevated the content of organic selenium in the fruiting bodies of G. lucidum. No such trend was recorded in P. ostreatus. The maximum mean Ge levels in P. ostreatus and G. lucidum reached up to 70 and 80 mg kg −1 , respectively. However, the bioaccessibility of this element was low, in the range 5.4-6.6% (P. ostreatus) and 0.4-7.6% (G. lucidum). Ergosterol content in the fruiting bodies of both species displayed the highest values in all the experimental systems supplemented with Se. The addition of Ge and Se + Ge resulted in losses of ergosterol content in comparison to cultivation with Se supplementation and control. The obtained results show the significant role of Ge-Se interaction in the accumulation of these elements in the studied mushroom species.

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Section: Discussionsupporting

confidence: 88%

The effects of germanium and selenium on growth, metalloid accumulation and ergosterol content in mushrooms: experimental study in Pleurotus ostreatus and Ganoderma lucidum

Siwulski

Budzyńska

Rzymski

et al. 2019

Eur Food Res Technol

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“…The cultivation process of the fungus, the concentration and form of Se added during enrichment and the physiology of the fungus all influence the forms of Se absorption and also the capability for biotransformation (Da Silva et al 2012). The mechanisms for the Se uptake by fruiting bodies have been reported to be due to the methylation of Na2SeO3 to seleno compounds viz., methylselonol, dimethylselenide, and trimethylselenonium (Rathore et al 2018). This approach of incorporating element could serve as another nutritional source for meeting the daily dietary recommended allowances for Se (Rathore et al 2018).…”

Section: Discussionmentioning

confidence: 99%

“…The mechanisms for the Se uptake by fruiting bodies have been reported to be due to the methylation of Na2SeO3 to seleno compounds viz., methylselonol, dimethylselenide, and trimethylselenonium (Rathore et al 2018). This approach of incorporating element could serve as another nutritional source for meeting the daily dietary recommended allowances for Se (Rathore et al 2018).…”

Section: Discussionmentioning

confidence: 99%

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Phytochemical constituents and antimicrobial evaluation of ethanolic extracts from Pleurotus spp. cultivated on substrate fortified with selenium

2018

MBJ

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Fasoranti OF, Ogidi CO and Oyetayo VO 2018 -Phytochemical constituents and antimicrobial evaluation of ethanolic extracts from Pleurotus spp. cultivated on substrate fortified with selenium. Microbial Biosystems 3(2), 29-39. AbstractEdible mushrooms have the ability to bio-accumulate minerals from the growth medium into the fruiting body. Selenium (Se) is an example of minerals that can be easily absorbed by mushroom. This study investigated the phytochemical constituents and antimicrobial properties of Pleurotus spp. fortified with selenium. Pleurotus spp. (fortified with selenium and nonfortified with selenium) were cultivated on corn cobs using standard procedures. The yield, biological efficiency, selenium absorption level, phytochemical constituents and antimicrobial properties were determined using standard methods. Non-fortified Pleurotus pulmonarius recorded the highest yield and biological efficiency, while fortified Pleurotus ostreatus had the lowest yields and biological efficiency. There was no significant difference (P<0.05) in the selenium concentration absorbed in Pleurotus ostreatus (51.79µg/g) and Pleurotus pulmonarius (59.29 µg/g) but no selenium was detected in the non-fortified samples. The presence of 5 phytochemicals viz; saponins, alkaloids, phenols, tannins and flavonoids were detected in cultivated mushrooms. Saponin was highest (7.08 mg/g) in non-fortified Pleurotus pulmonarius while tannin was the least with the value of 0.02 mg/g in fortified Pleurotus ostreatus. The ethanolic extracts of Pleurotus spp. inhibited the growth of Gram positive and negative bacteria with Pseudomonas aeruginosabeen the most susceptible (25.00 mm). The ethanolic extracts of fortified Pleurotus spp. inhibited Aspergillus flavus, Candida albicans and Candida parapsilosis. The non-fortified extracts however, had no inhibitory effects on the tested fungi. Based on the findings of this study, it can be concluded that Se-fortification increased the antibacterial activities of Pleurotus spp. These results therefore, suggest that Se-enriched mushrooms can be used as potential source of dietary supplements and nutraceuticals. Fortification of Pleurotus spp. with essential metals should be encouraged as this can improve its health promoting property.

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“…Durante o crescimento e, consequente, aumento da massa, a concentração de metal tende a diminuir(KALAC, 2000).As pesquisas citadas utilizam o selênio no processo de acumulação nos cogumelos; esse microelemento é essencial nas funções de atividade antioxidante e regulação da atividade dos hormônios tireoidianos. Várias pesquisas relacionadas demonstraram a capacidade dos cogumelos em acumular selênio orgânico, forma melhor absorvida no organismo humano, durante seu desenvolvimento(ASSUNÇÃO et al, 2014;DA SILVA et al, 2012;OGRA et al, 2004;RATHORE et al, 2018) Os dados demonstram a excelente capacidade dos cogumelos no enriquecimento desses elementos, nesse caso o selênio. Visto esse potencial, abre um leque de investigação sobre a acumulação de outros elementos essenciais como ferro e zinco, sendo possível a produção de biomassa para possíveis inovações uso de resíduos agroindustriais e o cultivo de cogumelos comestíveis pode fornecer uma fonte de renda alternativa para agricultores e, consequentemente, ganhar espaço na mesa de muitas famílias brasileiras para que seja desmistificado os cogumelos, explorando seus benefícios a saúde.Além disso, a capacidade de absorção de nutrientes e elementos do substrato pelos cogumelos tem atraído os pesquisadores na busca de inovação e desenvolvimento de alimentos enriquecidos e com propriedades funcionais.REFERÊNCIASASSUNÇÃO, L. S.; SILVA, M. C. S.; FERNANDEZ, M. G.; BAUTISTA, J.; KASUYA, M. C. M. SPECIATION OF SELENIUM IN Pleurotus ostreatus AND Lentinula edodes MUSHROOMS.…”

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Relação Entre O Comportamento Sexual E as Medidas Testiculares De Touros De Corte

Karolewski¹,

Rodrigues²,

Batista³

et al. 2019

Práticas De Produção Agrícola E Conservação Ambiental

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Selenium bioaccumulation and associated nutraceutical properties in Calocybe indica mushroom cultivated on Se-enriched wheat straw

Cited by 35 publications

References 34 publications

The effects of germanium and selenium on growth, metalloid accumulation and ergosterol content in mushrooms: experimental study in Pleurotus ostreatus and Ganoderma lucidum

The effects of germanium and selenium on growth, metalloid accumulation and ergosterol content in mushrooms: experimental study in Pleurotus ostreatus and Ganoderma lucidum

Phytochemical constituents and antimicrobial evaluation of ethanolic extracts from Pleurotus spp. cultivated on substrate fortified with selenium

Relação Entre O Comportamento Sexual E as Medidas Testiculares De Touros De Corte

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