Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity
Biomass as a green renewable energy source has the potential to become a significant energy source in the future due to the depletion of fossil fuels. Herein, carbon dioxide was employed to enhance the acidic pretreatment of corn cobs with lithium bromide trihydrate (LBTH) system to extract low mole...
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| Veröffentlicht in: | Biomass conversion and biorefinery 2024-03, Vol.14 (5), p.7125-7137 |
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| container_title | Biomass conversion and biorefinery |
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| creator | Du, Boyu Bai, Yating Pan, Zheng Xu, Jingyu Wang, Qingyu Lyu, Gaojin Wang, Xing Zhou, Jinghui |
| description | Biomass as a green renewable energy source has the potential to become a significant energy source in the future due to the depletion of fossil fuels. Herein, carbon dioxide was employed to enhance the acidic pretreatment of corn cobs with lithium bromide trihydrate (LBTH) system to extract low molecular weight lignin with high antioxidant activity. The main factors that have an influence on the degradation of carbohydrates and lignin in corn cobs were examined, such as the amount of CO
2
and the reaction temperature during the treatment with the CO
2
/LBTH system. The results showed that the extraction yield rate of low molecular weight lignin and the total conversion of corn cobs were 81.6% and 83.5%, respectively, under the operating conditions of 76.2 g CO
2
concentration at 100 °C for 4 h during the treatment of CO
2
/LBTH system. Specifically, the CO
2
/LBTH system promoted the breakdown of the β-
O
-4 aryl ether bond of lignin, resulting in the production of low molecular weight lignin with improved hydroxyl content and antioxidant activity. To transform inexpensive biomass resources into lignin with a high value-added, the CO
2
/LBTH system is thus of strategic and practical relevance.
Graphical abstract |
| doi_str_mv | 10.1007/s13399-022-02858-7 |
| format | Article |
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2
and the reaction temperature during the treatment with the CO
2
/LBTH system. The results showed that the extraction yield rate of low molecular weight lignin and the total conversion of corn cobs were 81.6% and 83.5%, respectively, under the operating conditions of 76.2 g CO
2
concentration at 100 °C for 4 h during the treatment of CO
2
/LBTH system. Specifically, the CO
2
/LBTH system promoted the breakdown of the β-
O
-4 aryl ether bond of lignin, resulting in the production of low molecular weight lignin with improved hydroxyl content and antioxidant activity. To transform inexpensive biomass resources into lignin with a high value-added, the CO
2
/LBTH system is thus of strategic and practical relevance.
Graphical abstract</description><identifier>ISSN: 2190-6815</identifier><identifier>EISSN: 2190-6823</identifier><identifier>DOI: 10.1007/s13399-022-02858-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Antioxidants ; Biomass ; Biotechnology ; Carbohydrates ; Carbon dioxide ; Carbon dioxide concentration ; Clean energy ; Corn ; Depolymerization ; Energy ; Lignin ; Lithium ; Low molecular weights ; Molecular weight ; Original Article ; Renewable and Green Energy ; Renewable energy sources</subject><ispartof>Biomass conversion and biorefinery, 2024-03, Vol.14 (5), p.7125-7137</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-b131ff17f1004adeac6d33ad8684ecfe6630bea2d3d317cbf74d17fbec1dc373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13399-022-02858-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13399-022-02858-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Du, Boyu</creatorcontrib><creatorcontrib>Bai, Yating</creatorcontrib><creatorcontrib>Pan, Zheng</creatorcontrib><creatorcontrib>Xu, Jingyu</creatorcontrib><creatorcontrib>Wang, Qingyu</creatorcontrib><creatorcontrib>Lyu, Gaojin</creatorcontrib><creatorcontrib>Wang, Xing</creatorcontrib><creatorcontrib>Zhou, Jinghui</creatorcontrib><title>Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity</title><title>Biomass conversion and biorefinery</title><addtitle>Biomass Conv. Bioref</addtitle><description>Biomass as a green renewable energy source has the potential to become a significant energy source in the future due to the depletion of fossil fuels. Herein, carbon dioxide was employed to enhance the acidic pretreatment of corn cobs with lithium bromide trihydrate (LBTH) system to extract low molecular weight lignin with high antioxidant activity. The main factors that have an influence on the degradation of carbohydrates and lignin in corn cobs were examined, such as the amount of CO
2
and the reaction temperature during the treatment with the CO
2
/LBTH system. The results showed that the extraction yield rate of low molecular weight lignin and the total conversion of corn cobs were 81.6% and 83.5%, respectively, under the operating conditions of 76.2 g CO
2
concentration at 100 °C for 4 h during the treatment of CO
2
/LBTH system. Specifically, the CO
2
/LBTH system promoted the breakdown of the β-
O
-4 aryl ether bond of lignin, resulting in the production of low molecular weight lignin with improved hydroxyl content and antioxidant activity. To transform inexpensive biomass resources into lignin with a high value-added, the CO
2
/LBTH system is thus of strategic and practical relevance.
Graphical abstract</description><subject>Antioxidants</subject><subject>Biomass</subject><subject>Biotechnology</subject><subject>Carbohydrates</subject><subject>Carbon dioxide</subject><subject>Carbon dioxide concentration</subject><subject>Clean energy</subject><subject>Corn</subject><subject>Depolymerization</subject><subject>Energy</subject><subject>Lignin</subject><subject>Lithium</subject><subject>Low molecular weights</subject><subject>Molecular weight</subject><subject>Original Article</subject><subject>Renewable and Green Energy</subject><subject>Renewable energy sources</subject><issn>2190-6815</issn><issn>2190-6823</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9UMtOwzAQjBBIoMIPcFqJc6gfbZIeUXlKlXrp3XLsdWOUxMV2KOEb-GgMRXDjsDur1cysdrLskpJrSkg5DZTzxSInjKWq5lVeHmVnjC5IXlSMH__OdH6aXYTwTAhhvOQVJ2fZxy3uXDt26O27jNb14Awo5_vU6gBDsP0WYoOwXLNpa2Njhw5q7zqrEaK3zai9jAhhDBE7MM5D6_bQuRbV0EoPe7TbJkJrt73tYZ8coEkbkH269mZ1QpAq2lcbx_PsxMg24MUPTrLN_d1m-Ziv1g9Py5tVrlhJYl5TTo2hpUnfz6RGqQrNudRVUc1QGSwKTmqUTHPNaalqU850YteoqFbp8Ul2dbDdefcyYIji2Q2-TxcFW3A-JxWvisRiB5byLgSPRuy87aQfBSXiK3dxyF2k3MV37uLLmh9EIZH7Lfo_639Un_3Iif8</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Du, Boyu</creator><creator>Bai, Yating</creator><creator>Pan, Zheng</creator><creator>Xu, Jingyu</creator><creator>Wang, Qingyu</creator><creator>Lyu, Gaojin</creator><creator>Wang, Xing</creator><creator>Zhou, Jinghui</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20240301</creationdate><title>Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity</title><author>Du, Boyu ; Bai, Yating ; Pan, Zheng ; Xu, Jingyu ; Wang, Qingyu ; Lyu, Gaojin ; Wang, Xing ; Zhou, Jinghui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-b131ff17f1004adeac6d33ad8684ecfe6630bea2d3d317cbf74d17fbec1dc373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Antioxidants</topic><topic>Biomass</topic><topic>Biotechnology</topic><topic>Carbohydrates</topic><topic>Carbon dioxide</topic><topic>Carbon dioxide concentration</topic><topic>Clean energy</topic><topic>Corn</topic><topic>Depolymerization</topic><topic>Energy</topic><topic>Lignin</topic><topic>Lithium</topic><topic>Low molecular weights</topic><topic>Molecular weight</topic><topic>Original Article</topic><topic>Renewable and Green Energy</topic><topic>Renewable energy sources</topic><toplevel>online_resources</toplevel><creatorcontrib>Du, Boyu</creatorcontrib><creatorcontrib>Bai, Yating</creatorcontrib><creatorcontrib>Pan, Zheng</creatorcontrib><creatorcontrib>Xu, Jingyu</creatorcontrib><creatorcontrib>Wang, Qingyu</creatorcontrib><creatorcontrib>Lyu, Gaojin</creatorcontrib><creatorcontrib>Wang, Xing</creatorcontrib><creatorcontrib>Zhou, Jinghui</creatorcontrib><collection>CrossRef</collection><jtitle>Biomass conversion and biorefinery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Boyu</au><au>Bai, Yating</au><au>Pan, Zheng</au><au>Xu, Jingyu</au><au>Wang, Qingyu</au><au>Lyu, Gaojin</au><au>Wang, Xing</au><au>Zhou, Jinghui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity</atitle><jtitle>Biomass conversion and biorefinery</jtitle><stitle>Biomass Conv. Bioref</stitle><date>2024-03-01</date><risdate>2024</risdate><volume>14</volume><issue>5</issue><spage>7125</spage><epage>7137</epage><pages>7125-7137</pages><issn>2190-6815</issn><eissn>2190-6823</eissn><abstract>Biomass as a green renewable energy source has the potential to become a significant energy source in the future due to the depletion of fossil fuels. Herein, carbon dioxide was employed to enhance the acidic pretreatment of corn cobs with lithium bromide trihydrate (LBTH) system to extract low molecular weight lignin with high antioxidant activity. The main factors that have an influence on the degradation of carbohydrates and lignin in corn cobs were examined, such as the amount of CO
2
and the reaction temperature during the treatment with the CO
2
/LBTH system. The results showed that the extraction yield rate of low molecular weight lignin and the total conversion of corn cobs were 81.6% and 83.5%, respectively, under the operating conditions of 76.2 g CO
2
concentration at 100 °C for 4 h during the treatment of CO
2
/LBTH system. Specifically, the CO
2
/LBTH system promoted the breakdown of the β-
O
-4 aryl ether bond of lignin, resulting in the production of low molecular weight lignin with improved hydroxyl content and antioxidant activity. To transform inexpensive biomass resources into lignin with a high value-added, the CO
2
/LBTH system is thus of strategic and practical relevance.
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| subjects | Antioxidants Biomass Biotechnology Carbohydrates Carbon dioxide Carbon dioxide concentration Clean energy Corn Depolymerization Energy Lignin Lithium Low molecular weights Molecular weight Original Article Renewable and Green Energy Renewable energy sources |
| title | Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity |
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