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Revista Cubana de Química
versão On-line ISSN 2224-5421
Resumo
ESPINOSA-NEGRIN, Ana María; LOPEZ-GONZALEZ, Lisbet Mailin e CASDELO-GUTIERREZ, Neybis Lourdes. Lignocellulosic biomasses pretreatment: a review of the main analytical methods used in its evaluation. Rev Cub Quim [online]. 2022, vol.34, n.1, pp. 87-110. Epub 18-Fev-2022. ISSN 2224-5421.
Identifying the type and best lignocellulosic biomass pretreatment conditions for bioconversion processes requires structural and compositional changes evaluating after its application. This paper presents a review of the main methods used for pretreatments evaluation in lignocellulosic biomass, with emphasis in those used to improve biogas production. It is concluded that modern procedures that use techniques such as chromatography for quantification are more accurate, but very expensive and laborious, which is why classical methods, such as Weender and Van Soest for the analysis of structural carbohydrates and lignin, continue to be used, and potentiometry and colorimetry results attractive alternatives in other determinations. The qualitative changes of its components, such as relocation and the way in which they interact, is another important aspect when interpreting results obtained by applying pretreatments.
Palavras-chave : composition; lignocellulosic biomass; pretreatment; structure.