Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment
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 product...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-12-01
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| Series: | Carbohydrate Polymer Technologies and Applications |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666893923000798 |
| _version_ | 1797383692948078592 |
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| author | Astrid Corrales Centeno Salvador Sanchez Muñoz Igor Severo Gonçalves Fabio P. Sanchez Vera Marcus B. Soares Forte Silvio S. da Silva Júlio C. dos Santos Ruly Terán Hilares |
| author_facet | Astrid Corrales Centeno Salvador Sanchez Muñoz Igor Severo Gonçalves Fabio P. Sanchez Vera Marcus B. Soares Forte Silvio S. da Silva Júlio C. dos Santos Ruly Terán Hilares |
| author_sort | Astrid Corrales Centeno |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-03-08T21:24:44Z |
| format | Article |
| id | doaj.art-f3cc9f9512dc4dfe8af590f256a57dcb |
| institution | Directory Open Access Journal |
| issn | 2666-8939 |
| language | English |
| last_indexed | 2024-03-08T21:24:44Z |
| publishDate | 2023-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Carbohydrate Polymer Technologies and Applications |
| spelling | doaj.art-f3cc9f9512dc4dfe8af590f256a57dcb2023-12-21T07:37:42ZengElsevierCarbohydrate Polymer Technologies and Applications2666-89392023-12-016100358Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigmentAstrid Corrales Centeno0Salvador Sanchez Muñoz1Igor Severo Gonçalves2Fabio P. Sanchez Vera3Marcus B. Soares Forte4Silvio S. da Silva5Júlio C. dos Santos6Ruly Terán Hilares7Laboratorio de Bioprocesos, Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María—UCSM, Urb. San José s/n—Umacollo, Arequipa 04000, PeruDepartment of Biotechnology, Engineering School of Lorena, University of São Paulo (EEL-USP), 12.602.810, Lorena, SP, BrazilDepartment of Food Engineering and Technology, Faculty of Food Engineering, University of Campinas (UNICAMP), Monteiro Lobato Street, 80-Zeferino Vaz, Campinas, São Paulo 13083-862, BrazilDepartment of Biotechnology, Engineering School of Lorena, University of São Paulo (EEL-USP), 12.602.810, Lorena, SP, BrazilDepartment of Food Engineering and Technology, Faculty of Food Engineering, University of Campinas (UNICAMP), Monteiro Lobato Street, 80-Zeferino Vaz, Campinas, São Paulo 13083-862, BrazilDepartment of Biotechnology, Engineering School of Lorena, University of São Paulo (EEL-USP), 12.602.810, Lorena, SP, BrazilDepartment of Biotechnology, Engineering School of Lorena, University of São Paulo (EEL-USP), 12.602.810, Lorena, SP, BrazilLaboratorio de Bioprocesos, Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María—UCSM, Urb. San José s/n—Umacollo, Arequipa 04000, Peru; Corresponding author.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.http://www.sciencedirect.com/science/article/pii/S2666893923000798Rice huskXylooligosaccharidesRed pigments |
| spellingShingle | Astrid Corrales Centeno Salvador Sanchez Muñoz Igor Severo Gonçalves Fabio P. Sanchez Vera Marcus B. Soares Forte Silvio S. da Silva Júlio C. dos Santos Ruly Terán Hilares Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment Carbohydrate Polymer Technologies and Applications Rice husk Xylooligosaccharides Red pigments |
| title | Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment |
| title_full | Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment |
| title_fullStr | Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment |
| title_full_unstemmed | Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment |
| title_short | Valorization of rice husk by hydrothermal processing to obtain valuable bioproducts: Xylooligosaccharides and Monascus biopigment |
| title_sort | valorization of rice husk by hydrothermal processing to obtain valuable bioproducts xylooligosaccharides and monascus biopigment |
| topic | Rice husk Xylooligosaccharides Red pigments |
| url | http://www.sciencedirect.com/science/article/pii/S2666893923000798 |
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