WFRF:(Jia Jie)
Sökning: WFRF:(Jia Jie) > Cyclic l-lactide sy...
- He, NilingEast China University of Science and Technology (författare)
Cyclic l-lactide synthesis from lignocellulose biomass by biorefining with complete inhibitor removal and highly simultaneous sugars assimilation
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
- 2022-03-21
- Wiley,2022
Nummerbeteckningar
- LIBRIS-ID:oai:lup.lub.lu.se:e2d9fc20-ad85-4289-9052-73725b34bb51
- https://lup.lub.lu.se/record/e2d9fc20-ad85-4289-9052-73725b34bb51URI
- https://doi.org/10.1002/bit.28082DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
Klassifikation
Anmärkningar
- Cyclic chiral lactide is the monomer chemical for polymerization of high molecular weight polylactic acid (PLA). The synthesis of cyclic l-lactide starts from poly-condensation of l-lactic acid to a low molecular weight prepolymer and then depolymerized to cyclic l-lactide. Lignocellulose biomass is the most promising carbohydrate feedstock for lactic acid production, but the synthesis of cyclic l-lactide from l-lactic acid produced from lignocellulose has so far not been successful. The major barriers are the impurities of residual sugars and inhibitors in the crude cellulosic l-lactic acid product. Here we show a successful cyclic l-lactide synthesis from cellulosic l-lactic acid by lignocellulose biorefining with complete inhibitor removal and coordinated sugars assimilation. The removal of inhibitors from lignocellulose pretreatment was accomplished by biodetoxification using a unique fungus Amorphotheca resinae ZN1. The nonglucose sugars were completely and simultaneously assimilated at the same rate with glucose by the engineered l-lactic acid bacterium Pediococcus acidilactici. The l-lactic acid production from wheat straw was comparable to that from corn starch with high optical pure (99.6%), high l-lactic acid titer (129.4 g/L), minor residual total sugars (~2.2 g/L), and inhibitors free. The cyclic l-lactide was successfully synthesized from the regularly purified l-lactic acid and verified by detailed characterizations. This study paves the technical foundation of carbon-neutral production of biodegradable PLA from lignocellulose biomass.
Ämnesord och genrebeteckningar
- TEKNIK OCH TEKNOLOGIER Industriell bioteknik Bioprocessteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Industrial Biotechnology Bioprocess Technology hsv//eng
- biodetoxification
- cellulose l-lactic acid
- cyclic l-lactide
- inhibitor
- nonglucose sugars
- Pediococcus acidilactici
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Jia, JiaEast China University of Science and Technology (författare)
- Qiu, ZhongyangEast China University of Science and Technology (författare)
- Fang, ChunEast China University of Science and Technology (författare)
- Lidén, GunnarLund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)chem-gli (författare)
- Liu, Xiucai (författare)
- Bao, JieEast China University of Science and Technology (författare)
- East China University of Science and TechnologyAvdelningen för kemiteknik (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Biotechnology and Bioengineering: Wiley119:7, s. 1903-19150006-35921097-0290
Internetlänk
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- Biotechnology and Bioengineering (Sök värdpublikationen i LIBRIS)
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- He, Niling
- Jia, Jia
- Qiu, Zhongyang
- Fang, Chun
- Lidén, Gunnar
- Liu, Xiucai
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- Bao, Jie
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