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Related Experiment Videos

Cork stoppers industry: defining appropriate mould colonization.

A C Oliveira1, C M Peres, J M Correia Pires

  • 1Instituto de Biologia Experimental e Tecnológica/Instituto de Tecnologia Química e Biológica-Universidade Nova de Lisboa, Apt. 12,2781-901 OEIRAS, Portugal.

Microbiological Research
|August 9, 2003
PubMed
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Controlling mold colonization on cork slabs is vital for the cork stopper industry. Spatial separation of processing steps and specific treatments ensure high air quality and prevent occupational health issues.

Area of Science:

  • Industrial microbiology
  • Mycology
  • Environmental science

Background:

  • Mold contamination poses risks in cork processing.
  • Understanding mold diversity is crucial for quality control.

Purpose of the Study:

  • To study mold colonization on cork slabs.
  • Evaluate mold diversity during cork processing.
  • Assess air quality in cork stopper factories.

Main Methods:

  • Isolation and identification of molds from cork samples.
  • Microscopic observation of fungal reproductive structures.
  • Airborne spore assessment using an Andersen sampler.

Main Results:

  • Chrysonilia sitophila was consistently found on maturing cork slabs.

Related Experiment Videos

  • Mold diversity varied with factory configurations and processing steps.
  • Air quality was evaluated in four cork stopper factories.

    • Conclusions:

    • Spatial separation of processing steps, especially maturation, is key for air quality and controlled mold colonization.
    • Specific treatments like sorting and cutting cork slabs post-boiling are recommended.
    • Findings support maintaining manufacturing standards and preventing occupational health problems in the cork industry.