%0 Journal Article 
%A Romero Vargas, Agustín
%A Fernández Güelfo, Luis Alberto
%A Blandino Garrido, Ana María
%A Díaz Villanueva, Manuel Jesús
%A Díaz Sánchez, Ana Belén
%T Rugulopteryx okamurae: Effect of hydrothermal acid pretreatment on the saccharification process
%D 2023
%U http://hdl.handle.net/10498/29783
%X The biological invasion caused by the invasive macroalga Rugulopteryx okamurae is causing increasing concern in southern Europe. To reduce its impact, this brown alga can be treated from a biorefinery approach. In this study, the macroalga is used as raw material to obtain fermentable sugars, which can be converted into high-value-added products. The alga was exposed to hydrothermal and hydrothermal acid pretreatment and the pretreated biomass was used for enzymatic hydrolysis, achieving a hydrolysate with a reducing sugar concentration of almost 25 g/L (49.2% more than with non-pretreated alga). In addition, the combined severity factor was calculated to identify the best pretreatment conditions, finding the optimum in those pretreatments performed with 0.2 N HCl concentration and 15 min reaction time. Based on the results, it would be interesting to carry out new studies using the saccharified medium obtained under optimal conditions to obtain value-added compounds by fermentation.
%K Macroalga
%K Dietary fibre
%K Enzyme hydrolysis
%K Combined severity factor
%K Reducing sugar
%~ Universidad de Cádiz