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. 2015 Nov 5;20(11):19958–19970. doi: 10.3390/molecules201119671

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© 2015 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Thermograms of water-soluble lignins isolated from cardoon (CAR), eucalyptus (EUC), black poplar grown in Ripiti (RIP) and black poplar grown in Limatola (LIM) by an alkaline oxidative extractant.