Microbiological quality and safety of fresh cultivated and wild mushrooms commercialized in Spain

Venturini, Marı́a Eugenia; Reyes, Juan E.; Rivera, Carmen Susana; Oria, Rosa; Blanco, Domingo

doi:10.1016/j.fm.2011.08.007

Cited by 98 publications

(94 citation statements)

References 29 publications

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“…This information can be used in developing national guidelines for total microbial loads of fresh mushrooms within a food safety compliance framework. A total microbial load of log CFU/g 4.4 to 9.4 has been reported for cultivated and wild mushrooms (Venturini et al 2011). Doores et al (1987) found that bacterial populations during postharvest storage at 13 o C increased from an initial load of log CFU/g 7 to almost log CFU/g 11 over a 10-day storage period.…”

Section: Discussionmentioning

confidence: 88%

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

et al. 2015

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The aim of the study was to investigate microbial succession in the mushroom supply chain from compost, casing to fruit body formation and mushroom growth to the point of harvested, packing and point of sale. The microbial population dynamics of compost, casing and mushrooms were determined using a plate count technique, denaturing gradient gel electrophoresis (DGGE) and sequencing of 16S and 18S rDNA. Plating revealed greater abundance of bacteria, fungi and yeasts in mushroom compost compared to casing and fresh mushroom samples. The viable count method also showed that bacteria and yeasts increased significantly after harvest and Page 2 of 38 during cold storage. Sequencing revealed a more diverse culturable bacterial population in casing and on the mushrooms than in the compost. Phylogenetic analysis revealed a general trend of grouping of species from the same sources. In contrast, a higher microbial diversity was recorded in compost when using the DGGE method, which reflects cultural and non-culturable microorganisms. For compost and casing bacteria studied using DGGE, several species formed separate lineages, demonstrating highly diverse communities in these samples. Fungi were shown to be less abundant and less diverse compared to bacteria and yeasts. The study provides baseline knowledge of microbial populations and -succession trends in mushroom production systems using viable and non-viable methods. The information provided in this study may be useful for microbial ecology studies and to identify and develop biocontrol systems for pathogen control during production or to enhance pinning stimulation by knowing when to apply Pseudomonas spp. to ensure increased yield. Finally an insight is provided into microbial survival during cold storage and marketing of mushrooms. Potential antagonistic populations known to prevent spoilage, quality deterioration and extend shelf life are listed in this paper.

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Section: Discussionmentioning

confidence: 88%

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

et al. 2015

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“…However, world-wide mushroom market has been dominated by the cultivated white button mushroom (Agaricus bisporus (J.E. Lange) Imbach) (Venturini et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Due to the environment in which they grow, mushrooms are likely to be exposed to a wide range of microbial contamination from many sources most notably casing material. In a comprehensive survey conducted by Venturini et al (2011) in Spain, mesophilic aerobic microorganism counts on fresh mushrooms were reported ranging from 4.9 to 9.4 log CFU g À1 . In addition to their high levels, microorganisms on mushrooms tend to increase during postharvest storage (Doores et al, 1987).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of gaseous ozone for reducing microflora and foodborne pathogens on button mushroom

Akata

Torlak

Erci

2015

Postharvest Biology and Technology

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“…The production of mushroom in our country is increasing at fast rate from 4000 tonnes in 1985-1986 to 120,000 tonnes in 2009 [2]. The world's largest button mushroom growing unit is located in India (Punjab).…”

Section: Introductionmentioning

confidence: 99%

Optimization of Osmotic Drying Parameters for Button Mushroom (<i>Agaricus bisporus</i>)

Mehta¹,

Jain²,

Sharma³

et al. 2012

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Response surface methodology was used to investigate the effect of brine concentration (10% -20%) solution temperature (35˚C -55˚C), and duration of osmosis (30 -60 min) with respect to water loss (WL) and salt gain (SG). The solution to sample ratio of 5/1 (w/w) was used. The Box-Behnken design of three variables and three levels including seventeen experiments formed by five central points were used for optimizing input parameters. Linear, quadratic and interaction effects of three variables were analyzed with respect to water loss and solid gain. For each response, second order polynomial models were developed using multiple regression analysis. Analysis of variance (ANOVA) was performed to check the adequacy and accuracy of the fitted models. The response surfaces and contour maps showing the interaction of process variables were constructed. The optimum operating conditions were: solution temperature 44.89˚C, brine concentration of 16.53 per cent and duration of osmosis of 47.59 min. At this optimum point, water loss and salt gain were predicted to be 44.55 per cent and 2.98 per cent respectively.

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Microbiological quality and safety of fresh cultivated and wild mushrooms commercialized in Spain

Cited by 98 publications

References 29 publications

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

Efficacy of gaseous ozone for reducing microflora and foodborne pathogens on button mushroom

Optimization of Osmotic Drying Parameters for Button Mushroom (<i>Agaricus bisporus</i>)

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Microbiological quality and safety of fresh cultivated and wild mushrooms commercialized in Spain

Cited by 98 publications

References 29 publications

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product

Efficacy of gaseous ozone for reducing microflora and foodborne pathogens on button mushroom

Optimization of Osmotic Drying Parameters for Button Mushroom (&lt;i&gt;Agaricus bisporus&lt;/i&gt;)

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Optimization of Osmotic Drying Parameters for Button Mushroom (<i>Agaricus bisporus</i>)