Spectral and chemical analyses of mould development on Scots pine heartwood

Tiitta, Markku; Tomppo, Laura; Järnström, Helena; Löija, Mia; Laakso, Tapio; Harju, Anni; Venäläinen, Martti; Iitti, Hanna; Paajanen, Leena; Saranpää, Pekka; Lappalainen, Reijo; Viitanen, Hannu

doi:10.1007/s00107-008-0298-5

Cited by 12 publications

(6 citation statements)

References 9 publications

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“…(IF: 8.4%) and Chaetomium globosum (IF: 2.6%) for Norway spruce. Previously, fungal genera such as Aspergillus, Penicillium and Trichoderma were used in other studies to test the effectiveness of chemical preservatives for the inhibition of moulds on wood in indoor applications (Price et al 2002;Clausen and Yang 2003Yang and Clausen 2007;Yang et al 2007a;Tiitta et al 2009).…”

Section: Resultsmentioning

confidence: 99%

Effectiveness of new molecules against widespread moulds for food-safe hardwood and softwood packaging

et al. 2020

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Wood packaging materials (WPMs) are widely used for collecting, storing and trading a wide range of products, including fresh fruit, vegetables and grains. The occurrence of moulds on WPMs used in the food industry must be avoided at every stage of the supply chain. This study aimed at (1) characterising fungal mould populations developing on fresh boards of hardwoods (European beech and poplar) and softwoods (Norway spruce and eastern white pine) commonly used by the packaging industry, and (2) assessing the effectiveness of two new molecules approved to come in contact with food, potassium sorbate and copper-8-quinolinolate, against mould growth and sporulation. A total of 322 fungal isolates belonging to 182 putatively different morphotypes were obtained. Spruce and beech boards were found to harbour a higher number of putatively different morphotypes compared to poplar and pine. The spectrum of fungi mostly included Ascomycota and the most abundant taxa were Trichoderma spp. and Penicillium spp. The effectiveness of the two new molecules (potassium sorbate approved for the use in both Europe and USA, and copper-8-quinolinolate approved for the use in USA only) was assessed on treated test pieces by inoculating conidial suspensions combining the three most common fungal species for each wooden material. Both preservatives showed comparable effectiveness and significantly reduced (P < 0.05) mould mycelial growth and sporulation on all the tested wooden materials compared to untreated controls, representing a suitable option for the control of moulds on WPMs.

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Section: Resultsmentioning

confidence: 99%

Effectiveness of new molecules against widespread moulds for food-safe hardwood and softwood packaging

et al. 2020

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“…Ulukanli et al [34] describes chemical compositions and antimicrobial activity of the essential oils belonging to Pinus pinea and Pinus brutia (main components-α-pinene, β-pinene and d-Limonene 1,4-methenoazulene and caryophyllene). Tiitta et al [35] revealed that there is a significant relation between the volatile organic compounds (mainly terpenes) and the mould resistance. In turn, the study by Franich et al [36] describes the fungistatic effect of oxidized resin acids obtained from Pinus tradiata needles, and the studies by SavluchinskeFeio et al [37][38][39], (1997,1999,2002), Kopper et al [40], and Söderberg et al [41] describe the antimicrobial activity of resin acid.…”

Section: Growth Of the A Niger Mycelium Depending On The Compositionmentioning

confidence: 99%

Resistance of Conifer Needle Polyolefin Composites (CNPCs) Against Biodecomposition Caused by Fungi

2017

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“…Effects of drying and freezing-thawing treatments on eggplant pulp samples (Wu et al, 2007). Non-destructive method for detection of incipient mould development on wood surfaces (Tiitta, 2009). Fit the impedance data collected from the bark and wood of current and one year old Scots pine shoots (Repo and Zhang, 1993).…”

Section: Introductionmentioning

confidence: 99%

Cole impedance extractions from the step-response of a current excited fruit sample

Freeborn

Maundy

Elwakil

2013

Computers and Electronics in Agriculture

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Spectral and chemical analyses of mould development on Scots pine heartwood

Cited by 12 publications

References 9 publications

Effectiveness of new molecules against widespread moulds for food-safe hardwood and softwood packaging

Effectiveness of new molecules against widespread moulds for food-safe hardwood and softwood packaging

Resistance of Conifer Needle Polyolefin Composites (CNPCs) Against Biodecomposition Caused by Fungi

Cole impedance extractions from the step-response of a current excited fruit sample

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