publication . Article . Other literature type . 2019

Influence of Extraction Conditions on Chemical Composition and Thermal Properties of Chestnut Wood Extracts as Tannin Feedstock

Valeriia Karaseva; Anne Bergeret; Clément Lacoste; Laurent Ferry; Hélène Fulcrand;
Open Access English
  • Published: 20 Sep 2019
  • Publisher: HAL CCSD
  • Country: France
In view of their use as source material for new biobased flame retardants, chestnut wood extracts were prepared using different solvent systems and compared to an industrial extract. The prepared extracts were mainly composed of hydrolyzed products of ellagitannins (castalin, vescalin, and ellagic acid) along with saccharides. The proportions of components strongly depended on the solvent system used for the extraction. Water-based solvents promoted the recovery of ellagitannins (up to 15 wt % of dry raw matter), while the alcohol-based solvents extracted more selectively ellagic acid (up to 47 wt % of dry raw matter). The phenolic composition of the industrial ...
free text keywords: Chestnut wood, Saccharides, Phenolic compounds, Biobased flame retardant, tannin, phenolic compound, tanin, châtaignier, retardant, saccharide, composé phénolique, [SDV.IDA]Life Sciences [q-bio]/Food engineering, Composition (visual arts), Organic chemistry, Food science, Ellagic acid, chemistry.chemical_compound, chemistry, Raw material, Gallic acid, Hydrolysis, Castalagin, Fire retardant, chemistry.chemical_classification
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