Optimization of acid hydrolysis of sugarcane bagasse and investigations on its fermentability for the production of xylitol by Candida guilliermondii
The dilute-acid hydrolysis of sugarcane bagasse was optimized using a statistical experimental design resulting in hydrolysates containing 57.25 g/L of xylose, which were fermented with a high inoculum concentration (10 g/L of the yeast Candida guilliermondii IM/UFRJ 50088). The addition of urea red...
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| Veröffentlicht in: | Applied biochemistry and biotechnology 2005, Vol.121 (1-3), p.741-752 |
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| container_title | Applied biochemistry and biotechnology |
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| creator | Fogel, R Garcia, R.R Oliveira, R. da S Palacio, D.N.M Madeira, L. da S Pereira, N. Jr |
| description | The dilute-acid hydrolysis of sugarcane bagasse was optimized using a statistical experimental design resulting in hydrolysates containing 57.25 g/L of xylose, which were fermented with a high inoculum concentration (10 g/L of the yeast Candida guilliermondii IM/UFRJ 50088). The addition of urea reduced the time of conversion (t(C)) to 75 h (without nitrogen source addition t(C) > 127 h), and, consequently, improving the rates of xylitol bioproduction. Fermentator experiments, using the optimized conditions, resulted in enhanced conversion rates, reducing t(C) to 30 h. The stability of the yeast in the hydrolysate was also verified in a 480-h cultivation. |
| doi_str_mv | 10.1385/ABAB:122:1-3:0741 |
| format | Article |
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The stability of the yeast in the hydrolysate was also verified in a 480-h cultivation.</description><identifier>ISSN: 0273-2289</identifier><identifier>EISSN: 1559-0291</identifier><identifier>EISSN: 0273-2289</identifier><identifier>DOI: 10.1385/ABAB:122:1-3:0741</identifier><identifier>PMID: 15920277</identifier><language>eng</language><publisher>United States: Springer Nature B.V</publisher><subject>Algorithms ; Bagasse ; biological production ; Bioreactors - microbiology ; Biotechnology ; Candida - chemistry ; Candida - growth & development ; Candida - metabolism ; Candida guilliermondii ; Cell Culture Techniques - methods ; Cell Proliferation ; Cellulose - chemistry ; Cellulose - metabolism ; Combinatorial Chemistry Techniques - methods ; Computer Simulation ; Conversion ; Design of experiments ; Design optimization ; Experimental design ; Feasibility Studies ; Fermentation ; Fermentation - physiology ; Fermented food ; Hydrogen-Ion Concentration ; Hydrolysates ; Hydrolysis ; Inoculum ; Interleukin-16 ; Models, Biological ; Models, Statistical ; Saccharum - chemistry ; Saccharum - metabolism ; Studies ; Sugarcane ; Urea ; Urea - metabolism ; Xylitol ; Xylitol - biosynthesis ; Yeast ; Yeasts</subject><ispartof>Applied biochemistry and biotechnology, 2005, Vol.121 (1-3), p.741-752</ispartof><rights>Humana Press Inc. 2005</rights><rights>Humana Press Inc. 2005.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-29ea939eaf99991939f36dec0edc5d11d47343ab86b827c1375fabf3604b4b93</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15920277$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fogel, R</creatorcontrib><creatorcontrib>Garcia, R.R</creatorcontrib><creatorcontrib>Oliveira, R. da S</creatorcontrib><creatorcontrib>Palacio, D.N.M</creatorcontrib><creatorcontrib>Madeira, L. da S</creatorcontrib><creatorcontrib>Pereira, N. Jr</creatorcontrib><title>Optimization of acid hydrolysis of sugarcane bagasse and investigations on its fermentability for the production of xylitol by Candida guilliermondii</title><title>Applied biochemistry and biotechnology</title><addtitle>Appl Biochem Biotechnol</addtitle><description>The dilute-acid hydrolysis of sugarcane bagasse was optimized using a statistical experimental design resulting in hydrolysates containing 57.25 g/L of xylose, which were fermented with a high inoculum concentration (10 g/L of the yeast Candida guilliermondii IM/UFRJ 50088). The addition of urea reduced the time of conversion (t(C)) to 75 h (without nitrogen source addition t(C) > 127 h), and, consequently, improving the rates of xylitol bioproduction. Fermentator experiments, using the optimized conditions, resulted in enhanced conversion rates, reducing t(C) to 30 h. The stability of the yeast in the hydrolysate was also verified in a 480-h cultivation.</description><subject>Algorithms</subject><subject>Bagasse</subject><subject>biological production</subject><subject>Bioreactors - microbiology</subject><subject>Biotechnology</subject><subject>Candida - chemistry</subject><subject>Candida - growth & development</subject><subject>Candida - metabolism</subject><subject>Candida guilliermondii</subject><subject>Cell Culture Techniques - methods</subject><subject>Cell Proliferation</subject><subject>Cellulose - chemistry</subject><subject>Cellulose - metabolism</subject><subject>Combinatorial Chemistry Techniques - methods</subject><subject>Computer Simulation</subject><subject>Conversion</subject><subject>Design of experiments</subject><subject>Design optimization</subject><subject>Experimental design</subject><subject>Feasibility Studies</subject><subject>Fermentation</subject><subject>Fermentation - physiology</subject><subject>Fermented food</subject><subject>Hydrogen-Ion Concentration</subject><subject>Hydrolysates</subject><subject>Hydrolysis</subject><subject>Inoculum</subject><subject>Interleukin-16</subject><subject>Models, Biological</subject><subject>Models, Statistical</subject><subject>Saccharum - chemistry</subject><subject>Saccharum - metabolism</subject><subject>Studies</subject><subject>Sugarcane</subject><subject>Urea</subject><subject>Urea - metabolism</subject><subject>Xylitol</subject><subject>Xylitol - biosynthesis</subject><subject>Yeast</subject><subject>Yeasts</subject><issn>0273-2289</issn><issn>1559-0291</issn><issn>0273-2289</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFks9u1DAQxiMEokvhAbiABRKcAh47juO9bVf8kyr1QDlbTuykrpJ4sRNEeA_elwm7CAkJ8GE89vy-sUf6suwx0FfAK_F6d7G72AJjW8j5lsoC7mQbEELllCm4m20okzxnrFJn2YOUbikFVgl5PzsDoRgW5Sb7fnWY_OC_mcmHkYSWmMZbcrPYGPol-bRepbkzsTGjI7XpTEqOmNESP35xafLdTyVyI_FTIq2LgxsnU_veTwtpQyTTjSOHGOzc_Hrj64LF0JN6IXts5a0h3ez73qM44Nk_zO61pk_u0Wk_z67fvrnev88vr9592O8u86YANeVMOaM4hlbhAkxbXlrXUGcbYQFsIXnBTV2VdcVkA1yK1tTI0KIuasXPs5fHtvi9zzNOowefGtf3OGuYk65EKUtayZV88U-ylJVkSor_giAFMKlKBJ__Ad6GOY44rWZlWUgqqVipZ3-jQEkAKSlFCI5QE0NK0bX6EP1g4qKB6tUoejWKRqNo0FyvRkHNk1PjuR6c_a04OQOBp0egNUGbLvqkP31kFDgFDFVR8h9TG8Q9</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Fogel, R</creator><creator>Garcia, R.R</creator><creator>Oliveira, R. da S</creator><creator>Palacio, D.N.M</creator><creator>Madeira, L. da S</creator><creator>Pereira, N. 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The addition of urea reduced the time of conversion (t(C)) to 75 h (without nitrogen source addition t(C) > 127 h), and, consequently, improving the rates of xylitol bioproduction. Fermentator experiments, using the optimized conditions, resulted in enhanced conversion rates, reducing t(C) to 30 h. The stability of the yeast in the hydrolysate was also verified in a 480-h cultivation.</abstract><cop>United States</cop><pub>Springer Nature B.V</pub><pmid>15920277</pmid><doi>10.1385/ABAB:122:1-3:0741</doi><tpages>12</tpages></addata></record> |
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| subjects | Algorithms Bagasse biological production Bioreactors - microbiology Biotechnology Candida - chemistry Candida - growth & development Candida - metabolism Candida guilliermondii Cell Culture Techniques - methods Cell Proliferation Cellulose - chemistry Cellulose - metabolism Combinatorial Chemistry Techniques - methods Computer Simulation Conversion Design of experiments Design optimization Experimental design Feasibility Studies Fermentation Fermentation - physiology Fermented food Hydrogen-Ion Concentration Hydrolysates Hydrolysis Inoculum Interleukin-16 Models, Biological Models, Statistical Saccharum - chemistry Saccharum - metabolism Studies Sugarcane Urea Urea - metabolism Xylitol Xylitol - biosynthesis Yeast Yeasts |
| title | Optimization of acid hydrolysis of sugarcane bagasse and investigations on its fermentability for the production of xylitol by Candida guilliermondii |
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