... lacca-se is also found in numerous other woodyplants including Aesculus sp., Prunuspersica, Acer pseudoplatanus and manyspecies of the Anacardiaceae family, and in a ... that the allergicskin reaction of humans to quin-urushiol isstill treated as a serious disease in China.Evolutionarily, laccase and its substratesseem to be an adaptation ... substrate,urushiol, is apparently necessary for main-taining it in an undenatured state (Guo,1981 ).Laccase can be demonstrated in vitroby means of biochemical methods, suchas spectrophotometry,...