Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: xylooligosaccharides and Monascus biopigment (2023)
- Authors:
- USP affiliated authors: SILVA, SILVIO SILVERIO DA - EEL ; SANTOS, JÚLIO CÉSAR DOS - EEL ; VERA, FABIO PATRICIO SÁNCHEZ - EEL ; MUÑOZ, SALVADOR SANCHEZ - EEL
- Unidade: EEL
- DOI: 10.1016/j.carpta.2023.100358
- Subjects: BIOTECNOLOGIA; BIOQUÍMICA; QUÍMICA ANALÍTICA
- Keywords: Rice husk; Xylooligosaccharides; Red pigments
- Agências de fomento:
- Language: Inglês
- Abstract: Rice husk is a readily available residue which can be used for producing bioproducts in a biorefinery context. In this study, the hemicellulose fraction was hydrolyzed in a hydrothermal process to produce xylooligosaccharides (XOS), whereas the cellulosic hydrolysate was used for red pigment production by Monascus ruber Tieghem IOC 2225. The highest XOS (X2-X4) production (24 g per 1 kg of rice husk) was achieved at 180 °C for 68 min in a non-stirred Parr reactor (50 mL). Subsequently, using a stirred parr reactor (1 L) at 180 °C for 60 min, 40 g of XOS (42% of xylobiose, 35% of xylobiose, 13% of xylotriose, 7% of xylotetraose, and 3% of xylopentaose) per 1 kg of rice husk were obtained. The XOS was then purified by using ultrafiltration (UF) with two diafiltration membranes at 6.5 pH, recovering approximately 92% of total XOS. Further purification was conducted with nanofiltration (NF) at 3.8 pH, recovering approximately 86.4% of XOS in the retentate. This process yielded XOS with a purity of 77%. Additionally, the enzymatic process yielded 132 g/kg of sugar, and the hydrolysate was used to produce 2.1 UA490nm of red pigment by fungi after 7 days.
- Imprenta:
- Source:
- Título: Carbohydrate Polymer Technologies And Applications
- ISSN: 2666-8939
- Volume/Número/Paginação/Ano: v.6, p.1-9, art. n.100358, 2023
- Este periódico é de acesso aberto
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: gold
- Licença: cc-by-nc-nd
-
ABNT
CENTENO, Astrid Corrales et al. Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: xylooligosaccharides and Monascus biopigment. Carbohydrate Polymer Technologies And Applications, v. 6, n. art. 100358, p. 1-9, 2023Tradução . . Disponível em: https://doi.org/10.1016/j.carpta.2023.100358. Acesso em: 02 out. 2024. -
APA
Centeno, A. C., Sanchez-Muñoz, S., Gonçalves, I. S., Vera, F. P. S., Forte, M. B. S., Silva, S. S. da, et al. (2023). Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: xylooligosaccharides and Monascus biopigment. Carbohydrate Polymer Technologies And Applications, 6( art. 100358), 1-9. doi:10.1016/j.carpta.2023.100358 -
NLM
Centeno AC, Sanchez-Muñoz S, Gonçalves IS, Vera FPS, Forte MBS, Silva SS da, Santos JC dos, Hilares RT. Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: xylooligosaccharides and Monascus biopigment [Internet]. Carbohydrate Polymer Technologies And Applications. 2023 ;6( art. 100358): 1-9.[citado 2024 out. 02 ] Available from: https://doi.org/10.1016/j.carpta.2023.100358 -
Vancouver
Centeno AC, Sanchez-Muñoz S, Gonçalves IS, Vera FPS, Forte MBS, Silva SS da, Santos JC dos, Hilares RT. Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: xylooligosaccharides and Monascus biopigment [Internet]. Carbohydrate Polymer Technologies And Applications. 2023 ;6( art. 100358): 1-9.[citado 2024 out. 02 ] Available from: https://doi.org/10.1016/j.carpta.2023.100358 - Carbohydrates valorization of Quinoa (Chenopodium quinoa) stalk in xylooligosaccharides and carotenoids as emergent biomolecules
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Informações sobre o DOI: 10.1016/j.carpta.2023.100358 (Fonte: oaDOI API)
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