Aumento da vida útil de cogumelos Pleurotus sajor-caju in natura com aplicação de radiação gama

Moda, Evelise Moncaio

doi:10.11606/t.64.2008.tde-17092008-144314

Cited by 4 publications

(10 citation statements)

References 22 publications

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“…PB-1 had the highest average of crude protein (28.9%) (Figure 7) There was effect of irradiation on the crude protein content of the mushrooms (Figure 8), and the dose of 500 Gy provided the highest average (27.5%), when compared to those of the control group (26.1%). Different results were obtained by Moda (2008), who found that irradiation did not affect the crude protein content of Pleurotus sajor-caju.…”

Section: Resultsmentioning

confidence: 67%

“…Different results were obtained by Moda (2008) with P. sajor-caju, whose average crude fiber was not influenced by the irradiation dose on the 1 st day of storage.…”

Section: Resultsmentioning

confidence: 78%

“…However, there was no influence of irradiation dose in the averages for that strain. Moda (2008), evaluating the increase of shelf-life of fresh Pleurotus sajor-caju mushroom with application of gamma irradiation, also found that the irradiation with different doses (0, 125, 250, 500 and 750 Gy) did not change the ash content among the treatments.…”

Section: Resultsmentioning

confidence: 87%

“…However, this technique has seldom been used in Brazil for edible mushrooms. Among the most recent researches conducted in Brazil, Moda (2008) evaluated the shelf life of fresh Pleurotus sajor-caju irradiated with 125, 250, 500 and 750 Gy and found that the dose of 750 Gy was optimal. However, there are no scientific reports in Brazil about the use of gamma irradiation for A. bisporus.…”

Section: Post-harvestmentioning

confidence: 99%

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Effect of gamma irradiation on the nutritional quality of Agaricus bisporus strains cultivated in different composts

Andrade

Jesus

Vieira

et al. 2014

An. Acad. Bras. Ciênc.

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The effect of irradiation doses (0, 125, 250 and 500 Gy) on the nutritional quality of A. bisporus mushrooms (strains ABI-07/06, ABI-05/03 and PB-1) cultivated in composts based on oat straw (Avena sativa) and brachiaria (Brachiaria sp.) was evaluated. The experimental design was 4 x 3 x 2 factorial scheme (irradiation doses x strains x composts), with 24 treatments, consisting of two repetitions each, totaling 48 experimental units (samples of mushrooms). The samples were irradiated in Cobalt-60 irradiator, model Gammacell 220 kGy, with dose rate of 0.740 kGy h -1 , according to the treatments proposed. Subsequently, the control (unirradiated) and the other treatments were maintained at 4±1°C and 90% RH in a climatic chamber for carrying out the chemical analysis of the mushrooms on the 1 st and 14 th day of storage. It was found that all A. bisporus strains evaluated were food with excellent nutritional value, because they presented high protein and fiber contents and low ethereal extract content; the chemical characterization of the mushrooms was influenced by the compost type in which they were cultivated; gamma irradiation influenced the chemical composition of mushrooms.

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Section: Resultsmentioning

confidence: 67%

“…Different results were obtained by Moda (2008) with P. sajor-caju, whose average crude fiber was not influenced by the irradiation dose on the 1 st day of storage.…”

Section: Resultsmentioning

confidence: 78%

Section: Resultsmentioning

confidence: 87%

Section: Post-harvestmentioning

confidence: 99%

See 2 more Smart Citations

Effect of gamma irradiation on the nutritional quality of Agaricus bisporus strains cultivated in different composts

Andrade

Jesus

Vieira

et al. 2014

An. Acad. Bras. Ciênc.

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“…However, it is known that such solutions change the original taste of fresh mushrooms and their physicochemical and sensory properties. Recently, Moda (2008) evaluated the shelf life of Pleurotus sajor-caju irradiated with 125, 250, 500, and 750 Gy and found that a dose of 750 Gy was the most suitable and its estimated shelf life of five days, being this time superior for nonirradiated mushrooms. However, in Brazil, no scientific reports were published of the use of gamma radiation to A. bisporus, being necessary to check the feasibility of applying this technique in growing conditions prevailing in the country.…”

Section: Introductionmentioning

confidence: 99%

Gamma irradiation can control the number of psychotrophic bacteria in Agaricus bisporus during storage

Meire¹,

rade²,

o³

et al. 2013

Afr. J. Agric. Res.

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We evaluated the effect of gamma irradiation doses (0, 125, 250, and 500 Gy) in control of psychrotrophic bacteria in different strains of Agaricus bisporus (ABI-07/06, ABI-05/03, and PB-1) during storage, cultivated in composts based on oat straw (Avena sativa) and Brachiaria spp. The experimental design was completely randomized in a factorial scheme 4  2  3 (irradiation doses  composts  strains), with 24 treatments, each consisting of 2 replicates, totaling 48 experimental units (samples of mushrooms). The mushrooms collected from all culture conditions were packaged in plastic polypropylene with 200 g each and subjected to Cobalt-60 irradiator, type Gammacell 220, and dose rate 0.740 kGy h -1 , according to the treatments. Subsequently, the control (nonirradiated) and other treatments were maintained at 4 ± 1°C and 90% relative humidity (RH) in a climatic chamber to perform the microbiological analysis of mushrooms on the 1st and 14th day of storage. According to the results, it was found that the highest mean colony psychotrophic count, after 14 days of storage, was observed in strain ABI-07/06 1.30 × 10 8 g -1 most probable number (MPN) in nonirradiated mushrooms, coming from Brachiaria grass-based compost, and this same strain under the same storage conditions, coming from the same type of compost that underwent a dose of 500 Gy, obtained a significant reduction in mean colonies of psychrotrophic bacteria (2.25 × 10 4 g -1 MPN). Thus, the irradiation doses tested favored reducing the number of colonies of psychrotrophic bacteria, regardless of the type of compound and strain of A. bisporus.

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Efeito da radiação gama do 60Co na conservação e qualidade de pimenta in natura e em polpa

Milagres¹

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Ao meu marido João pelo apoio, amor, paciência, amizade e, particularmente, pelos conhecimentos compartilhados que foram essenciais ao andamento da minha pesquisa. Aos meus filhos Mateus, Yasmin e Clara, meu maior tesouro, pelo amor, carinho, paciência e, por terem enfrentado às mudanças que envolveram a nossa passagem por Piracicaba. Aos meus familiares: José e Sebastiana (Pais), Márcio, Consolação, Fábio, Beatriz e Júlio (irmãos), pelos exemplos de vida, companheirismo e amizade. 4 5 AGRADECIMENTOS A Deus, pela dádiva da vida e pelo "Pão de cada dia".

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Aumento da vida útil de cogumelos Pleurotus sajor-caju in natura com aplicação de radiação gama

Cited by 4 publications

References 22 publications

Effect of gamma irradiation on the nutritional quality of Agaricus bisporus strains cultivated in different composts

Effect of gamma irradiation on the nutritional quality of Agaricus bisporus strains cultivated in different composts

Gamma irradiation can control the number of psychotrophic bacteria in Agaricus bisporus during storage

Efeito da radiação gama do 60Co na conservação e qualidade de pimenta in natura e em polpa

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