Growth and metabolites production by Penicillium brevicompactum in yoghurt

  • NDAGIJIMANA M
  • CHAVES LÓPEZ C
  • CORSETTI A
  • TOFALO R
  • SERGI M
  • PAPARELLA A
  • GUERZONI M. E
  • SUZZI G
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Publication date
January 2008
Publisher
Elsevier BV

Abstract

Penicillium brevicompactum, commonly encountered in the indoor air, is known to produce a mycotoxin, mycophenolic acid (MPA). This mould has been isolated from a wide range of foods; considering that we had previously isolated this species from contaminated yoghurt, in this study we have evaluated its growth in yoghurt sweetened with sucrose, fructose and fructose added with fruit pieces. Fungal growth was evaluated monitoring CO2 production in the headspace during yoghurt storage at 4 ± 1, 8 ± 1 and 10 ± 1 °C throughout 21 days. P. brevicompactum grew well in the samples sweetened with fructose at 8 and 10 °C. The addition of sucrose influenced the growth negatively, particularly at 4 °C. Volatile Organic Compounds (VOC) and MPA production...

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