PhanerochaeteV1, Main, Corpus, bibRecord, 000298

Reducing sugars production from corncobs: a comparative study of chemical and biotechnological methods.

Identifieur interne : 000298 ( Main/Corpus ); précédent : 000297; suivant : 000299

Reducing sugars production from corncobs: a comparative study of chemical and biotechnological methods.

Auteurs : Ravichandra Potumarthi ; Rama Raju Baadhe ; Aparna Pisipati ; Annapurna Jetty

Source :

Applied biochemistry and biotechnology [ 1559-0291 ] ; 2014.

RBID : pubmed:25172055

English descriptors

KwdEn :
- Alkalies (chemistry), Biotechnology (methods), Carbohydrates (chemistry), Cellulase (metabolism), Dose-Response Relationship, Drug (MeSH), Hydrolysis (MeSH), Phanerochaete (enzymology), Sodium Hydroxide (pharmacology), Sulfuric Acids (pharmacology), Zea mays (chemistry), Zea mays (drug effects).
MESH :
- chemical , chemistry : Alkalies, Carbohydrates.
- chemical , metabolism : Cellulase.
- chemistry : Zea mays.
- drug effects : Zea mays.
- enzymology : Phanerochaete.
- methods : Biotechnology.
- chemical , pharmacology : Sodium Hydroxide, Sulfuric Acids.
- Dose-Response Relationship, Drug, Hydrolysis.

Abstract

Two commonly used chemical pretreatment processes, sulphuric acid, and sodium hydroxide, were tested to provide comparative performance data. A connection between solid to liquid ratio (S/L) and sugars released was observed with an increase in S/L ratio between 0.02 and 0.2. Enzymatic digestibility of 1 M of NaOH-pretreated corncobs were released 210.7 mg ml(-1) of sugars. Further, compared with different concentrations of acid pretreatments at 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, and 0.5 M concentrations, sodium hydroxide pretreatment of corncob substantially increased accessibility and digestibility of cellulose. Another additional observation made was whole-cell and crude enzymatic hydrolysis of different concentrations of acid and NaOH (0.05, 0.1, 0.25 M)-treated materials released lower amount of sugars compared with the sugars released (310.9 mg ml(-1)) with whole-cell hydrolysis of 1 M of NaOH-treated corncobs. NaOH-pretreated corncobs contained higher content of sugars and which is more suitable for production of reducing sugars.

DOI: 10.1007/s12010-014-1073-1
PubMed: 25172055

Links to Exploration step

pubmed:25172055

Le document en format XML

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<author><name sortKey="Potumarthi, Ravichandra" sort="Potumarthi, Ravichandra" uniqKey="Potumarthi R" first="Ravichandra" last="Potumarthi">Ravichandra Potumarthi</name>
<affiliation><nlm:affiliation>Bio Engineering and Environmental Center (BEEC), Indian Institute of Chemical Technology (CSIR), Tarnaka, Hyderabad, 500 607, India, pravichandra@gmail.com.</nlm:affiliation>
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<author><name sortKey="Baadhe, Rama Raju" sort="Baadhe, Rama Raju" uniqKey="Baadhe R" first="Rama Raju" last="Baadhe">Rama Raju Baadhe</name>
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<author><name sortKey="Pisipati, Aparna" sort="Pisipati, Aparna" uniqKey="Pisipati A" first="Aparna" last="Pisipati">Aparna Pisipati</name>
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<term>Dose-Response Relationship, Drug (MeSH)</term>
<term>Hydrolysis (MeSH)</term>
<term>Phanerochaete (enzymology)</term>
<term>Sodium Hydroxide (pharmacology)</term>
<term>Sulfuric Acids (pharmacology)</term>
<term>Zea mays (chemistry)</term>
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<front><div type="abstract" xml:lang="en">Two commonly used chemical pretreatment processes, sulphuric acid, and sodium hydroxide, were tested to provide comparative performance data. A connection between solid to liquid ratio (S/L) and sugars released was observed with an increase in S/L ratio between 0.02 and 0.2. Enzymatic digestibility of 1 M of NaOH-pretreated corncobs were released 210.7 mg ml(-1) of sugars. Further, compared with different concentrations of acid pretreatments at 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, and 0.5 M concentrations, sodium hydroxide pretreatment of corncob substantially increased accessibility and digestibility of cellulose. Another additional observation made was whole-cell and crude enzymatic hydrolysis of different concentrations of acid and NaOH (0.05, 0.1, 0.25 M)-treated materials released lower amount of sugars compared with the sugars released (310.9 mg ml(-1)) with whole-cell hydrolysis of 1 M of NaOH-treated corncobs. NaOH-pretreated corncobs contained higher content of sugars and which is more suitable for production of reducing sugars.</div>
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<Abstract><AbstractText>Two commonly used chemical pretreatment processes, sulphuric acid, and sodium hydroxide, were tested to provide comparative performance data. A connection between solid to liquid ratio (S/L) and sugars released was observed with an increase in S/L ratio between 0.02 and 0.2. Enzymatic digestibility of 1 M of NaOH-pretreated corncobs were released 210.7 mg ml(-1) of sugars. Further, compared with different concentrations of acid pretreatments at 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, and 0.5 M concentrations, sodium hydroxide pretreatment of corncob substantially increased accessibility and digestibility of cellulose. Another additional observation made was whole-cell and crude enzymatic hydrolysis of different concentrations of acid and NaOH (0.05, 0.1, 0.25 M)-treated materials released lower amount of sugars compared with the sugars released (310.9 mg ml(-1)) with whole-cell hydrolysis of 1 M of NaOH-treated corncobs. NaOH-pretreated corncobs contained higher content of sugars and which is more suitable for production of reducing sugars.</AbstractText>
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Reducing sugars production from corncobs: a comparative study of chemical and biotechnological methods.

Reducing sugars production from corncobs: a comparative study of chemical and biotechnological methods.

Source :

English descriptors

Abstract

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