Mineral contents in edible mushrooms growing in soil.

Sugahara, Tatsuyuki; Kawai, Hideo; Matsuzawa, Mutsuko; Fujishiro, Satoko; Aoyagi, Yukitoshi; Hosogai, Yutaro

doi:10.3136/nskkk1962.37.7_540

Cited by 6 publications

(2 citation statements)

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“…In recent years, numerous studies have showed that some cultivated mushrooms can bioaccumulate considerable amount of metal ions. Quite a few researchers reported that the fruit bodies of mushrooms accumulate remarkably high concentrations of Cu and Zn [4][5][6][7][8][9][10][11][12]. This indicates the potential use of mushrooms as effective adsorbents for heavy metals.…”

Section: Introductionmentioning

confidence: 97%

Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel

Pan

Wang

Zhang

2005

Process Biochemistry

133

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Section: Introductionmentioning

confidence: 97%

Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel

Pan

Wang

Zhang

2005

Process Biochemistry

133

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“…Several studies have been conducted to investigate the heavy metals absorption efficacy of Pleurotus eryngii , Hypsizygus marmoreus , Pholiota nameko , Flammulina velutipes and Ganoderma lucidum from various Ca-sources [ 13 , 14 , 15 , 16 ]. In general, the total amount of calcium content in the mushrooms remains lesser than that of vegetables [ 17 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Calcinated Oyster Shell Powder on Growth, Yield, Spawn Run, and Primordial Formation of King Oyster Mushroom (Pleurotus Eryngii)

2011

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This study was conducted to evaluate the calcium (Ca) absorption efficacy of king oyster mushroom (Pleurotus eryngii) grown on sawdust medium supplemented with Ca-sources, including oyster shell powder, and to determine the efficacy of oyster shell powder as a calcium supplement on growth, yield, spawn run and primordial formation of P. eryngii. Optimum calcination of oyster shell powder was achieved at the temperature of 620.56 °C. A 1% supplementation of oyster shell powder in sawdust medium did not suppress the mycelial growth of P. eryngii. Also the supplementation of 2% calcinated oyster shell powder to sawdust medium potentially increased the calcium content up to a level of 315.7 ± 15.7 mg/100 g in the fruiting body of P. eryngii, without extension of duration of spawn run and the retardation of the days to primordial formation. These results suggest that the shellfish by-products, including oyster shell powder, can be utilized to develop calcium enriched king oyster mushrooms.

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The Concentrations and Bioconcentration Factors of Copper and Zinc in Edible Mushrooms

Alonso

García

Pérez-López

et al. 2003

Archives of Environmental Contamination and Toxicology

138

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Copper and zinc contents have been determined in up to 28 species of edible mushrooms from different sites in the province of Lugo (NW Spain). Two hundred thirty-eight collected samples were analyzed by an anodic stripping voltammetric technique using a drop mercury as the working electrode. The results showed that the element concentrations were species-dependent, and the highest metal levels corresponded to the following species: Calvatia utriformis (235.5 mg Cu/kg), Macrolepiota procera (217.8 mg Cu/kg), and Agaricus macrosporus (217.7 mg Cu/kg) and Calvatia utriformis (265.8 mg Zn/kg), Lactarius delicious (231.0 mg Zn/kg), and Agaricus macrosporus (221.3 mg Zn/kg) for Cu and Zn, respectively. All mushroom species bioaccumulated copper and zinc. Nevertheless, some individual samples of the species, such as Hydnum repandum, Cantharellus cibarius, and Coprinus comatus, were bioexclusors (BCF < 1). The hymenophore in mushrooms showed higher mean metal levels than the rest of the fruit bodies, with statistically significant differences. The copper and zinc concentrations were compared to literature data and levels set by legislation. It can be concluded that the consumption of these mushrooms cannot be considered a toxicological risk, and they provide an important nutritional requirement to the diet.

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Mineral contents in edible mushrooms growing in soil.

Cited by 6 publications

References 0 publications

Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel

Biosorption of Pb(II) by Pleurotus ostreatus immobilized in calcium alginate gel

Effect of Calcinated Oyster Shell Powder on Growth, Yield, Spawn Run, and Primordial Formation of King Oyster Mushroom (Pleurotus Eryngii)

The Concentrations and Bioconcentration Factors of Copper and Zinc in Edible Mushrooms

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