Pretreatment and enzymatic hydrolysis of coffee husk for the production of potentially fermentable sugars
BACKGROUND Coffee husk (CH) is the main agricultural solid waste generated during the coffee bean dry processing. Therefore, it is necessary to investigate other alternatives for the more noble use of this by‐product, adding value to it considering the circular economy concept within the coffee prod...
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| Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2022-03, Vol.97 (3), p.676-688 |
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| container_title | Journal of chemical technology and biotechnology (1986) |
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| creator | Silva, Nayara CS Fonseca, Yasmim A Camargos, Adonai B Lima, André LD Ribeiro, Marcelo C Gurgel, Leandro VA Lobo Baêta, Bruno E |
| description | BACKGROUND
Coffee husk (CH) is the main agricultural solid waste generated during the coffee bean dry processing. Therefore, it is necessary to investigate other alternatives for the more noble use of this by‐product, adding value to it considering the circular economy concept within the coffee production chain. This study aimed to add value to CH by liquid hot water (LHW) pretreatment as an alternative to improve the enzymatic conversion of polysaccharides of this substrate to fermentable sugars through enzymatic hydrolysis.
RESULTS
Box–Behnken experimental design was used to evaluate the effect of LHW pretreatment on the enzymatic hydrolysis yield (EHY), investigating the independent variables time (t), temperature (T), and liquid‐to‐solid ratio (LSR). The desirable condition (200 °C, 41 min, LSR of 5 mL g−1) was selected as the most suitable for the enzymatic hydrolysis, reaching an EHY value of 75.3% with an enzyme load of 40 FPU g PCH−1. The alkaline extraction step applied to pretreated coffee husk (PCH) was not effective to improve the EHY, as the cellulose fraction was not preserved. Two reloads of solids were considered an ideal condition, reaching an EHY value of 69.1% after 24 h of hydrolysis with a total enzyme load of 27 FPU g PCH−1.
CONCLUSION
The liquid hot water of CHs associated with the reload of solids on enzymatic hydrolysis is an interesting alternative to reduce the cost with enzyme cocktail and hydrolysis time, thus making the process more feasible for technology upscaling. © 2021 Society of Chemical Industry (SCI). |
| doi_str_mv | 10.1002/jctb.6950 |
| format | Article |
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Coffee husk (CH) is the main agricultural solid waste generated during the coffee bean dry processing. Therefore, it is necessary to investigate other alternatives for the more noble use of this by‐product, adding value to it considering the circular economy concept within the coffee production chain. This study aimed to add value to CH by liquid hot water (LHW) pretreatment as an alternative to improve the enzymatic conversion of polysaccharides of this substrate to fermentable sugars through enzymatic hydrolysis.
RESULTS
Box–Behnken experimental design was used to evaluate the effect of LHW pretreatment on the enzymatic hydrolysis yield (EHY), investigating the independent variables time (t), temperature (T), and liquid‐to‐solid ratio (LSR). The desirable condition (200 °C, 41 min, LSR of 5 mL g−1) was selected as the most suitable for the enzymatic hydrolysis, reaching an EHY value of 75.3% with an enzyme load of 40 FPU g PCH−1. The alkaline extraction step applied to pretreated coffee husk (PCH) was not effective to improve the EHY, as the cellulose fraction was not preserved. Two reloads of solids were considered an ideal condition, reaching an EHY value of 69.1% after 24 h of hydrolysis with a total enzyme load of 27 FPU g PCH−1.
CONCLUSION
The liquid hot water of CHs associated with the reload of solids on enzymatic hydrolysis is an interesting alternative to reduce the cost with enzyme cocktail and hydrolysis time, thus making the process more feasible for technology upscaling. © 2021 Society of Chemical Industry (SCI).</description><identifier>ISSN: 0268-2575</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.6950</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Agricultural wastes ; alkaline extraction ; bioproducts ; biorefinery ; Cellulose ; Coffee ; Design of experiments ; enzymatic conversion ; enzyme recycling ; Enzymes ; Experimental design ; Hot water ; Hydrolysis ; Independent variables ; lignocellulosic biomass ; Polysaccharides ; Pretreatment ; Saccharides ; Solid wastes ; Substrates ; Sugar</subject><ispartof>Journal of chemical technology and biotechnology (1986), 2022-03, Vol.97 (3), p.676-688</ispartof><rights>2021 Society of Chemical Industry (SCI).</rights><rights>Copyright © 2022 Society of Chemical Industry</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2970-d1f642877f058c45e39c9b94549fd04a6878315d22aa1a7b1667e16da300422d3</citedby><cites>FETCH-LOGICAL-c2970-d1f642877f058c45e39c9b94549fd04a6878315d22aa1a7b1667e16da300422d3</cites><orcidid>0000-0001-5249-8670 ; 0000-0003-2327-0559 ; 0000-0002-4782-8572</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjctb.6950$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjctb.6950$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Silva, Nayara CS</creatorcontrib><creatorcontrib>Fonseca, Yasmim A</creatorcontrib><creatorcontrib>Camargos, Adonai B</creatorcontrib><creatorcontrib>Lima, André LD</creatorcontrib><creatorcontrib>Ribeiro, Marcelo C</creatorcontrib><creatorcontrib>Gurgel, Leandro VA</creatorcontrib><creatorcontrib>Lobo Baêta, Bruno E</creatorcontrib><title>Pretreatment and enzymatic hydrolysis of coffee husk for the production of potentially fermentable sugars</title><title>Journal of chemical technology and biotechnology (1986)</title><description>BACKGROUND
Coffee husk (CH) is the main agricultural solid waste generated during the coffee bean dry processing. Therefore, it is necessary to investigate other alternatives for the more noble use of this by‐product, adding value to it considering the circular economy concept within the coffee production chain. This study aimed to add value to CH by liquid hot water (LHW) pretreatment as an alternative to improve the enzymatic conversion of polysaccharides of this substrate to fermentable sugars through enzymatic hydrolysis.
RESULTS
Box–Behnken experimental design was used to evaluate the effect of LHW pretreatment on the enzymatic hydrolysis yield (EHY), investigating the independent variables time (t), temperature (T), and liquid‐to‐solid ratio (LSR). The desirable condition (200 °C, 41 min, LSR of 5 mL g−1) was selected as the most suitable for the enzymatic hydrolysis, reaching an EHY value of 75.3% with an enzyme load of 40 FPU g PCH−1. The alkaline extraction step applied to pretreated coffee husk (PCH) was not effective to improve the EHY, as the cellulose fraction was not preserved. Two reloads of solids were considered an ideal condition, reaching an EHY value of 69.1% after 24 h of hydrolysis with a total enzyme load of 27 FPU g PCH−1.
CONCLUSION
The liquid hot water of CHs associated with the reload of solids on enzymatic hydrolysis is an interesting alternative to reduce the cost with enzyme cocktail and hydrolysis time, thus making the process more feasible for technology upscaling. © 2021 Society of Chemical Industry (SCI).</description><subject>Agricultural wastes</subject><subject>alkaline extraction</subject><subject>bioproducts</subject><subject>biorefinery</subject><subject>Cellulose</subject><subject>Coffee</subject><subject>Design of experiments</subject><subject>enzymatic conversion</subject><subject>enzyme recycling</subject><subject>Enzymes</subject><subject>Experimental design</subject><subject>Hot water</subject><subject>Hydrolysis</subject><subject>Independent variables</subject><subject>lignocellulosic biomass</subject><subject>Polysaccharides</subject><subject>Pretreatment</subject><subject>Saccharides</subject><subject>Solid wastes</subject><subject>Substrates</subject><subject>Sugar</subject><issn>0268-2575</issn><issn>1097-4660</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kD1PwzAQQC0EEqUw8A8sMTGkPTuxnYxQ8alKMJTZcv1BU9K42I5Q-PUklJXplnfvTg-hSwIzAkDnW53WM14xOEITApXICs7hGE2A8jKjTLBTdBbjFgB4SfkE1a_BpmBV2tk2YdUabNvvfqdSrfGmN8E3fawj9g5r75y1eNPFD-x8wGlj8T540-lU-3Yk9j4Nklo1TY-dDaNRrRuLY_euQjxHJ0410V78zSl6u79bLR6z5cvD0-JmmWlaCcgMcbygpRAOWKkLZvNKV-uqYEXlDBSKl6LMCTOUKkWUWBPOhSXcqBygoNTkU3R18A7PfXY2Jrn1XWiHk5JyKoDlIKqBuj5QOvgYg3VyH-qdCr0kIMeSciwpx5IDOz-wX3Vj-_9B-bxY3f5u_AB79Hah</recordid><startdate>202203</startdate><enddate>202203</enddate><creator>Silva, Nayara CS</creator><creator>Fonseca, Yasmim A</creator><creator>Camargos, Adonai B</creator><creator>Lima, André LD</creator><creator>Ribeiro, Marcelo C</creator><creator>Gurgel, Leandro VA</creator><creator>Lobo Baêta, Bruno E</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0001-5249-8670</orcidid><orcidid>https://orcid.org/0000-0003-2327-0559</orcidid><orcidid>https://orcid.org/0000-0002-4782-8572</orcidid></search><sort><creationdate>202203</creationdate><title>Pretreatment and enzymatic hydrolysis of coffee husk for the production of potentially fermentable sugars</title><author>Silva, Nayara CS ; Fonseca, Yasmim A ; Camargos, Adonai B ; Lima, André LD ; Ribeiro, Marcelo C ; Gurgel, Leandro VA ; Lobo Baêta, Bruno E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2970-d1f642877f058c45e39c9b94549fd04a6878315d22aa1a7b1667e16da300422d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Agricultural wastes</topic><topic>alkaline extraction</topic><topic>bioproducts</topic><topic>biorefinery</topic><topic>Cellulose</topic><topic>Coffee</topic><topic>Design of experiments</topic><topic>enzymatic conversion</topic><topic>enzyme recycling</topic><topic>Enzymes</topic><topic>Experimental design</topic><topic>Hot water</topic><topic>Hydrolysis</topic><topic>Independent variables</topic><topic>lignocellulosic biomass</topic><topic>Polysaccharides</topic><topic>Pretreatment</topic><topic>Saccharides</topic><topic>Solid wastes</topic><topic>Substrates</topic><topic>Sugar</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Silva, Nayara CS</creatorcontrib><creatorcontrib>Fonseca, Yasmim A</creatorcontrib><creatorcontrib>Camargos, Adonai B</creatorcontrib><creatorcontrib>Lima, André LD</creatorcontrib><creatorcontrib>Ribeiro, Marcelo C</creatorcontrib><creatorcontrib>Gurgel, Leandro VA</creatorcontrib><creatorcontrib>Lobo Baêta, Bruno E</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Silva, Nayara CS</au><au>Fonseca, Yasmim A</au><au>Camargos, Adonai B</au><au>Lima, André LD</au><au>Ribeiro, Marcelo C</au><au>Gurgel, Leandro VA</au><au>Lobo Baêta, Bruno E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pretreatment and enzymatic hydrolysis of coffee husk for the production of potentially fermentable sugars</atitle><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle><date>2022-03</date><risdate>2022</risdate><volume>97</volume><issue>3</issue><spage>676</spage><epage>688</epage><pages>676-688</pages><issn>0268-2575</issn><eissn>1097-4660</eissn><abstract>BACKGROUND
Coffee husk (CH) is the main agricultural solid waste generated during the coffee bean dry processing. Therefore, it is necessary to investigate other alternatives for the more noble use of this by‐product, adding value to it considering the circular economy concept within the coffee production chain. This study aimed to add value to CH by liquid hot water (LHW) pretreatment as an alternative to improve the enzymatic conversion of polysaccharides of this substrate to fermentable sugars through enzymatic hydrolysis.
RESULTS
Box–Behnken experimental design was used to evaluate the effect of LHW pretreatment on the enzymatic hydrolysis yield (EHY), investigating the independent variables time (t), temperature (T), and liquid‐to‐solid ratio (LSR). The desirable condition (200 °C, 41 min, LSR of 5 mL g−1) was selected as the most suitable for the enzymatic hydrolysis, reaching an EHY value of 75.3% with an enzyme load of 40 FPU g PCH−1. The alkaline extraction step applied to pretreated coffee husk (PCH) was not effective to improve the EHY, as the cellulose fraction was not preserved. Two reloads of solids were considered an ideal condition, reaching an EHY value of 69.1% after 24 h of hydrolysis with a total enzyme load of 27 FPU g PCH−1.
CONCLUSION
The liquid hot water of CHs associated with the reload of solids on enzymatic hydrolysis is an interesting alternative to reduce the cost with enzyme cocktail and hydrolysis time, thus making the process more feasible for technology upscaling. © 2021 Society of Chemical Industry (SCI).</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.6950</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0001-5249-8670</orcidid><orcidid>https://orcid.org/0000-0003-2327-0559</orcidid><orcidid>https://orcid.org/0000-0002-4782-8572</orcidid></addata></record> |
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| ispartof | Journal of chemical technology and biotechnology (1986), 2022-03, Vol.97 (3), p.676-688 |
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| subjects | Agricultural wastes alkaline extraction bioproducts biorefinery Cellulose Coffee Design of experiments enzymatic conversion enzyme recycling Enzymes Experimental design Hot water Hydrolysis Independent variables lignocellulosic biomass Polysaccharides Pretreatment Saccharides Solid wastes Substrates Sugar |
| title | Pretreatment and enzymatic hydrolysis of coffee husk for the production of potentially fermentable sugars |
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