Trunk surface agarwood-inducing technique with Rigidoporus vinctus: An efficient novel method for agarwood production

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Abstract

© 2018 Chen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Only when Aquilaria spp. or Gyrinops spp. trees are wounded, due to insect attack, or microbial invasion, agarwood can be successfully induced. In the present study, a fungus which can induce agarwood formation efficiently was isolated and a suitable method for its application to induce agarwood formation was developed. Rigidoporus vinctus was isolated from the inner layers from infectious A. sinensis trees. When the fermentation liquid of fungi inoculated back to A. sinensis tree, agarwood was found to be induced. In addition, a novel method called trunk surface agarwood-inducing technique (Agar-Sit) was developed to produce agarwood with R. vinctus. The alcohol soluble extract content of the agarwood, up to 38.9%, far higher than the requirement (10%) in Chinese Pharmacopoeia and the six characteristic compounds of agarwood used as Chinese Medicinal Materials were all detected. Their relative percentages of the sesquiterpenes in the essential oil were 22.76%. This is the first report of the Agar-Sit and also the application of R. vinctus in agarwood induction. According to the results, when the combination of Agar-Sit and R. vinctus is used agarwood can be induced with high yield and good quality.

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Chen, X., Liu, Y., Yang, Y., Feng, J., Liu, P., Sui, C., & Wei, J. (2018). Trunk surface agarwood-inducing technique with Rigidoporus vinctus: An efficient novel method for agarwood production. PLoS ONE, 13(6). https://doi.org/10.1371/journal.pone.0198111

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