RT info:eu-repo/semantics/article
T1 Adjustable Gel Texture of Recovered Crude Agar Induced by Pressurized Hot Water Treatment of Gelidium sesquipedale Industry Waste Stream: An RSM Analysis
A1 Diop, Cherif Ibrahima Khalil
A1 Beltrán Calvo, Sagrario
A1 Jaime Moreno, Isabel
A1 Sanz Díez, Mª Teresa
K1 Agar
K1 Gelidium sesquipedale waste stream
K1 Food industry
K1 Pressurized hot water extraction
K1 RSM
K1 Texture
K1 Alimentos
K1 Food
K1 Ingeniería química
K1 Chemical engineering
AB A significant amount of bioactive compound-rich solid waste is released during the industrial phycocolloid-centric extraction of Gelidium sesquipedale. The impact of mild pressurized hot water extraction on repurposing this waste for the recovery of agar with an adjustable gel texture is investigated. A two-factor interaction response surface model assessed the influences of the operating temperatures (80 to 130 °C), times (45 and 150 min), pressures (1 to 70 bar), and algae concentrations (3 to 10% (w:v)). At a temperature of 100 °C, a pressure of 10.13 bar, a recovery time of 45 min, and a 10% algae concentration, the working parameters were considered ideal (w:v). Agar with a hardness of 431.6 g, an adhesiveness of −13.14 g.s−1, a springiness of 0.94, a cohesiveness of 0.63, and a gumminess of 274.46 g was produced under these conditions. A combined desirability of 0.78 was obtained for the exposed technology that retrieved gels with a minimum agar yield of 10% and thermal hysteresis between 39 ± 1 and 52 ± 0.5 °C. The fitted design can provide a high techno-commercial value to the agri-food industrial waste stream.
PB MDPI
SN 2304-8158
YR 2022
FD 2022-07
LK http://hdl.handle.net/10259/6767
UL http://hdl.handle.net/10259/6767
LA eng
NO This research was funded by the European Commission, Horizon 2020 program through the Marie-Curie Individual Fellowship (H2020-MSCA-IF-2019), with regards to the ALGWAS-BIOR project (Grant agreement number 898804).
DS Repositorio Institucional de la Universidad de Burgos
RD 23-nov-2024