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0 1: Appl Microbiol Biotechnol. 2001 Apr;55(3):317-20. Links Reactivity of Trametes laccases with fatty and resin acids.Karlsson S, Holmbom B, Spetz P, Mustranta A, Buchert J.VTT Biotechnology, Finland. stina.karlsson@vtt.fiLipophilic extractives commonly referred fatty oils to as wood pitch fatty oils or wood resin can have a negative impact on paper machine runnability and product quality. The lipophilic extractives are composed mainly of fatty acids, resin acids, sterols, steryl esters fatty oils and triglycerides. In this work, the suitability of laccases for the modification of fatty and resin acids was studied, using two model fractions. In the treatments, resin and fatty acid dispersions were treated with two different laccases, i.e. laccases from Trametes hirsuta and T. villosa. Different chromatographic methods were used to elucidate the effects of laccase treatments on the chemistry of the fatty and resin acids. Both laccases were able to modify the fatty and resin acids to some extent.
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