Phenolics production from alkaline hydrolysis of autohydrolysis liquors

  1. Iria A. Ares-Peón 1
  2. Gil Garrote 1
  3. Herminia Domínguez 1
  4. Juan C. Parajó 1
  1. 1 Universidade de Vigo
    info

    Universidade de Vigo

    Vigo, España

    ROR https://ror.org/05rdf8595

Journal:
CyTA: Journal of food

ISSN: 1947-6337,  1947-6345

Year of publication: 2016

Volume: 14

Issue: 2

Pages: 255-265

Type: Article

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Abstract

The objective of this work was to study the release, identification and characterization of phenolic compounds by saponification of non-isothermal autohydrolysis liquors of corn (Zea mays) cobs and Eucalyptus globulus. Corn cobs and E. globulus are lignocellulosic materials with high contents in cellulose and hemicelluloses. Efficient use of these materials can be achieved using autohydrolysis as the first stage of a biorefinery, resulting in a solid phase rich in cellulose and lignin, and a liquid phase containing essentially hemicelluloses-derived compounds and phenolic compounds from the partial solubilization of lignin. This work studied the combination of alkaline hydrolysis and extraction with organic solvents to maximize the amounts of released phenolic compounds since these compounds are interesting for their properties and food applications.

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