Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides
BACKGROUND Due to the disadvantages of traditional enzymolysis, pretreatments are crucial to enhance protein enzymolysis. Enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution, fluorescence spectroscopy and antioxidant activity of thermal (HT) and single fre...
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| Veröffentlicht in: | Journal of the science of food and agriculture 2016-12, Vol.96 (15), p.4861-4873 |
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| creator | Abdualrahman, Mohammed Adam Y Ma, Haile Zhou, Cunshan Yagoub, Abu ElGasim A Hu, Jiali Yang, Xue |
| description | BACKGROUND
Due to the disadvantages of traditional enzymolysis, pretreatments are crucial to enhance protein enzymolysis. Enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution, fluorescence spectroscopy and antioxidant activity of thermal (HT) and single frequency counter‐current ultrasound (SCFU) pretreated sodium caseinate (NaCas) were studied.
RESULTS
Enzymolysis of untreated NaCas (control) improved significantly (P < 0.05) by SFCU and followed by HT. Values of the Michaelis–Menten constant (KM) of SFCU and HT were 0.0212 and 0.0250, respectively. HT and SFCU increased (P < 0.05) the reaction rate constant (k) by 38.64 and 90.91%, respectively at 298 K. k values decreased with increasing temperature. The initial activation energy (46.39 kJ mol−1) reduced (P < 0.05) by HT (39.66 kJ mol−1) and further by SFCU (33.42 kJ mol−1). SFCU‐pretreated NaCas hydrolysates had the highest contents of hydrophobic, aromatic, positively and negatively charged amino acids. Medium‐sized peptides (5000–1000 Da) are higher in SFCU (78.11%) than HT and the control. SFCU induced molecular unfolding of NaCas proteins. Accordingly, SFCU‐pretreated NaCas hydrolysate exhibited the highest scavenging activity on DPPH and hydroxyl radicals, reducing power, and iron chelating ability.
CONCLUSION
SFCU pretreatment would be a useful tool for production of bioactive peptides from NaCas hydrolysate. © 2016 Society of Chemical Industry |
| doi_str_mv | 10.1002/jsfa.7996 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1855384423</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1855384423</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4576-f84c585912d100cebce5a38671726fe871c11d78b0304c9770c96d8f69c405603</originalsourceid><addsrcrecordid>eNqNks9u1DAQxiMEokvhwAsgS1xAalo7if-EW1XRBVTBoUWVuFhee9J6m9jBdtQur8kL4XSXHpCQehpr5jff2OOvKF4TfEgwro7WsVOHvG3Zk2JBcMtLjAl-WixyrSopaaq94kWMa4xxZtjzYq_itG4ZbxbF74trCIPqkXIGReuuekBdgJ8TOL1B2k8uQSj1FAK4hKY-BRVz0qAxQAqg0pDzEfkORW_sNCCtIlinEnxA4H5tBt9voo3oxjpIVsf7OWme6c3GqSGnDlAOziOlrYl55DD6aJP17gDlbtBTrwK6BXt1nZCxMQW7mubyvZRy-XhnTY5ohDFZA_Fl8axTfYRXu7hffD_9eHHyqTz7tvx8cnxW6oZyVnai0VTQllQmb1HDSgNVtWCc8Ip1IDjRhBguVrjGjW45x7plRnSs1Q2mDNf7xbut7hh8XlhMcrBRQ98rB36KkghKa9E0Vf0ItOZ1w5h4FEqZwLiZL_D2H3Ttp-Dym2eqwm0jqipT77eUDj7GAJ0cgx1U2EiC5ewfOftHzv7J7Jud4rQawDyQfw2TgaMtcGt72PxfSX45Pz3eSZbbjvx1cPfQocKNZLzmVF5-Xcqq_nFJl4zI8_oPuPHkAA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1832094822</pqid></control><display><type>article</type><title>Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides</title><source>MEDLINE</source><source>Wiley Online Library Journals Frontfile Complete</source><creator>Abdualrahman, Mohammed Adam Y ; Ma, Haile ; Zhou, Cunshan ; Yagoub, Abu ElGasim A ; Hu, Jiali ; Yang, Xue</creator><creatorcontrib>Abdualrahman, Mohammed Adam Y ; Ma, Haile ; Zhou, Cunshan ; Yagoub, Abu ElGasim A ; Hu, Jiali ; Yang, Xue</creatorcontrib><description>BACKGROUND
Due to the disadvantages of traditional enzymolysis, pretreatments are crucial to enhance protein enzymolysis. Enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution, fluorescence spectroscopy and antioxidant activity of thermal (HT) and single frequency counter‐current ultrasound (SCFU) pretreated sodium caseinate (NaCas) were studied.
RESULTS
Enzymolysis of untreated NaCas (control) improved significantly (P < 0.05) by SFCU and followed by HT. Values of the Michaelis–Menten constant (KM) of SFCU and HT were 0.0212 and 0.0250, respectively. HT and SFCU increased (P < 0.05) the reaction rate constant (k) by 38.64 and 90.91%, respectively at 298 K. k values decreased with increasing temperature. The initial activation energy (46.39 kJ mol−1) reduced (P < 0.05) by HT (39.66 kJ mol−1) and further by SFCU (33.42 kJ mol−1). SFCU‐pretreated NaCas hydrolysates had the highest contents of hydrophobic, aromatic, positively and negatively charged amino acids. Medium‐sized peptides (5000–1000 Da) are higher in SFCU (78.11%) than HT and the control. SFCU induced molecular unfolding of NaCas proteins. Accordingly, SFCU‐pretreated NaCas hydrolysate exhibited the highest scavenging activity on DPPH and hydroxyl radicals, reducing power, and iron chelating ability.
CONCLUSION
SFCU pretreatment would be a useful tool for production of bioactive peptides from NaCas hydrolysate. © 2016 Society of Chemical Industry</description><identifier>ISSN: 0022-5142</identifier><identifier>EISSN: 1097-0010</identifier><identifier>DOI: 10.1002/jsfa.7996</identifier><identifier>PMID: 27539674</identifier><identifier>CODEN: JSFAAE</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Amino acids ; Amino Acids - analysis ; amino acids composition ; antioxidant activity ; Antioxidants ; Caseins - chemistry ; Caseins - metabolism ; enzymolysis kinetic ; Free Radicals - chemistry ; Heat treatment ; Hydrolysates ; Hydrolysis ; Iron Chelating Agents - chemistry ; Kinetics ; Molecular Weight ; Molecular weight distribution ; Peptides ; Peptides - chemistry ; Pretreatment ; Protein Conformation ; Proteins ; Sodium ; sodium caseinate ; Spectrometry, Fluorescence ; thermal and ultrasound pretreatments ; Thermodynamics ; Ultrasonic imaging ; Ultrasonic Waves</subject><ispartof>Journal of the science of food and agriculture, 2016-12, Vol.96 (15), p.4861-4873</ispartof><rights>2016 Society of Chemical Industry</rights><rights>2016 Society of Chemical Industry.</rights><rights>Copyright © 2016 Society of Chemical Industry</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4576-f84c585912d100cebce5a38671726fe871c11d78b0304c9770c96d8f69c405603</citedby><cites>FETCH-LOGICAL-c4576-f84c585912d100cebce5a38671726fe871c11d78b0304c9770c96d8f69c405603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjsfa.7996$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjsfa.7996$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27539674$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Abdualrahman, Mohammed Adam Y</creatorcontrib><creatorcontrib>Ma, Haile</creatorcontrib><creatorcontrib>Zhou, Cunshan</creatorcontrib><creatorcontrib>Yagoub, Abu ElGasim A</creatorcontrib><creatorcontrib>Hu, Jiali</creatorcontrib><creatorcontrib>Yang, Xue</creatorcontrib><title>Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides</title><title>Journal of the science of food and agriculture</title><addtitle>J. Sci. Food Agric</addtitle><description>BACKGROUND
Due to the disadvantages of traditional enzymolysis, pretreatments are crucial to enhance protein enzymolysis. Enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution, fluorescence spectroscopy and antioxidant activity of thermal (HT) and single frequency counter‐current ultrasound (SCFU) pretreated sodium caseinate (NaCas) were studied.
RESULTS
Enzymolysis of untreated NaCas (control) improved significantly (P < 0.05) by SFCU and followed by HT. Values of the Michaelis–Menten constant (KM) of SFCU and HT were 0.0212 and 0.0250, respectively. HT and SFCU increased (P < 0.05) the reaction rate constant (k) by 38.64 and 90.91%, respectively at 298 K. k values decreased with increasing temperature. The initial activation energy (46.39 kJ mol−1) reduced (P < 0.05) by HT (39.66 kJ mol−1) and further by SFCU (33.42 kJ mol−1). SFCU‐pretreated NaCas hydrolysates had the highest contents of hydrophobic, aromatic, positively and negatively charged amino acids. Medium‐sized peptides (5000–1000 Da) are higher in SFCU (78.11%) than HT and the control. SFCU induced molecular unfolding of NaCas proteins. Accordingly, SFCU‐pretreated NaCas hydrolysate exhibited the highest scavenging activity on DPPH and hydroxyl radicals, reducing power, and iron chelating ability.
CONCLUSION
SFCU pretreatment would be a useful tool for production of bioactive peptides from NaCas hydrolysate. © 2016 Society of Chemical Industry</description><subject>Amino acids</subject><subject>Amino Acids - analysis</subject><subject>amino acids composition</subject><subject>antioxidant activity</subject><subject>Antioxidants</subject><subject>Caseins - chemistry</subject><subject>Caseins - metabolism</subject><subject>enzymolysis kinetic</subject><subject>Free Radicals - chemistry</subject><subject>Heat treatment</subject><subject>Hydrolysates</subject><subject>Hydrolysis</subject><subject>Iron Chelating Agents - chemistry</subject><subject>Kinetics</subject><subject>Molecular Weight</subject><subject>Molecular weight distribution</subject><subject>Peptides</subject><subject>Peptides - chemistry</subject><subject>Pretreatment</subject><subject>Protein Conformation</subject><subject>Proteins</subject><subject>Sodium</subject><subject>sodium caseinate</subject><subject>Spectrometry, Fluorescence</subject><subject>thermal and ultrasound pretreatments</subject><subject>Thermodynamics</subject><subject>Ultrasonic imaging</subject><subject>Ultrasonic Waves</subject><issn>0022-5142</issn><issn>1097-0010</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNks9u1DAQxiMEokvhwAsgS1xAalo7if-EW1XRBVTBoUWVuFhee9J6m9jBdtQur8kL4XSXHpCQehpr5jff2OOvKF4TfEgwro7WsVOHvG3Zk2JBcMtLjAl-WixyrSopaaq94kWMa4xxZtjzYq_itG4ZbxbF74trCIPqkXIGReuuekBdgJ8TOL1B2k8uQSj1FAK4hKY-BRVz0qAxQAqg0pDzEfkORW_sNCCtIlinEnxA4H5tBt9voo3oxjpIVsf7OWme6c3GqSGnDlAOziOlrYl55DD6aJP17gDlbtBTrwK6BXt1nZCxMQW7mubyvZRy-XhnTY5ohDFZA_Fl8axTfYRXu7hffD_9eHHyqTz7tvx8cnxW6oZyVnai0VTQllQmb1HDSgNVtWCc8Ip1IDjRhBguVrjGjW45x7plRnSs1Q2mDNf7xbut7hh8XlhMcrBRQ98rB36KkghKa9E0Vf0ItOZ1w5h4FEqZwLiZL_D2H3Ttp-Dym2eqwm0jqipT77eUDj7GAJ0cgx1U2EiC5ewfOftHzv7J7Jud4rQawDyQfw2TgaMtcGt72PxfSX45Pz3eSZbbjvx1cPfQocKNZLzmVF5-Xcqq_nFJl4zI8_oPuPHkAA</recordid><startdate>201612</startdate><enddate>201612</enddate><creator>Abdualrahman, Mohammed Adam Y</creator><creator>Ma, Haile</creator><creator>Zhou, Cunshan</creator><creator>Yagoub, Abu ElGasim A</creator><creator>Hu, Jiali</creator><creator>Yang, Xue</creator><general>John Wiley & Sons, Ltd</general><general>John Wiley and Sons, Limited</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QL</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7T5</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope><scope>7QO</scope></search><sort><creationdate>201612</creationdate><title>Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides</title><author>Abdualrahman, Mohammed Adam Y ; Ma, Haile ; Zhou, Cunshan ; Yagoub, Abu ElGasim A ; Hu, Jiali ; Yang, Xue</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4576-f84c585912d100cebce5a38671726fe871c11d78b0304c9770c96d8f69c405603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Amino acids</topic><topic>Amino Acids - analysis</topic><topic>amino acids composition</topic><topic>antioxidant activity</topic><topic>Antioxidants</topic><topic>Caseins - chemistry</topic><topic>Caseins - metabolism</topic><topic>enzymolysis kinetic</topic><topic>Free Radicals - chemistry</topic><topic>Heat treatment</topic><topic>Hydrolysates</topic><topic>Hydrolysis</topic><topic>Iron Chelating Agents - chemistry</topic><topic>Kinetics</topic><topic>Molecular Weight</topic><topic>Molecular weight distribution</topic><topic>Peptides</topic><topic>Peptides - chemistry</topic><topic>Pretreatment</topic><topic>Protein Conformation</topic><topic>Proteins</topic><topic>Sodium</topic><topic>sodium caseinate</topic><topic>Spectrometry, Fluorescence</topic><topic>thermal and ultrasound pretreatments</topic><topic>Thermodynamics</topic><topic>Ultrasonic imaging</topic><topic>Ultrasonic Waves</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abdualrahman, Mohammed Adam Y</creatorcontrib><creatorcontrib>Ma, Haile</creatorcontrib><creatorcontrib>Zhou, Cunshan</creatorcontrib><creatorcontrib>Yagoub, Abu ElGasim A</creatorcontrib><creatorcontrib>Hu, Jiali</creatorcontrib><creatorcontrib>Yang, Xue</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ceramic Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Ecology Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Immunology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Virology and AIDS 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>AIDS and Cancer Research Abstracts</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>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><jtitle>Journal of the science of food and agriculture</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abdualrahman, Mohammed Adam Y</au><au>Ma, Haile</au><au>Zhou, Cunshan</au><au>Yagoub, Abu ElGasim A</au><au>Hu, Jiali</au><au>Yang, Xue</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides</atitle><jtitle>Journal of the science of food and agriculture</jtitle><addtitle>J. Sci. Food Agric</addtitle><date>2016-12</date><risdate>2016</risdate><volume>96</volume><issue>15</issue><spage>4861</spage><epage>4873</epage><pages>4861-4873</pages><issn>0022-5142</issn><eissn>1097-0010</eissn><coden>JSFAAE</coden><abstract>BACKGROUND
Due to the disadvantages of traditional enzymolysis, pretreatments are crucial to enhance protein enzymolysis. Enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution, fluorescence spectroscopy and antioxidant activity of thermal (HT) and single frequency counter‐current ultrasound (SCFU) pretreated sodium caseinate (NaCas) were studied.
RESULTS
Enzymolysis of untreated NaCas (control) improved significantly (P < 0.05) by SFCU and followed by HT. Values of the Michaelis–Menten constant (KM) of SFCU and HT were 0.0212 and 0.0250, respectively. HT and SFCU increased (P < 0.05) the reaction rate constant (k) by 38.64 and 90.91%, respectively at 298 K. k values decreased with increasing temperature. The initial activation energy (46.39 kJ mol−1) reduced (P < 0.05) by HT (39.66 kJ mol−1) and further by SFCU (33.42 kJ mol−1). SFCU‐pretreated NaCas hydrolysates had the highest contents of hydrophobic, aromatic, positively and negatively charged amino acids. Medium‐sized peptides (5000–1000 Da) are higher in SFCU (78.11%) than HT and the control. SFCU induced molecular unfolding of NaCas proteins. Accordingly, SFCU‐pretreated NaCas hydrolysate exhibited the highest scavenging activity on DPPH and hydroxyl radicals, reducing power, and iron chelating ability.
CONCLUSION
SFCU pretreatment would be a useful tool for production of bioactive peptides from NaCas hydrolysate. © 2016 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><pmid>27539674</pmid><doi>10.1002/jsfa.7996</doi><tpages>13</tpages></addata></record> |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Amino acids Amino Acids - analysis amino acids composition antioxidant activity Antioxidants Caseins - chemistry Caseins - metabolism enzymolysis kinetic Free Radicals - chemistry Heat treatment Hydrolysates Hydrolysis Iron Chelating Agents - chemistry Kinetics Molecular Weight Molecular weight distribution Peptides Peptides - chemistry Pretreatment Protein Conformation Proteins Sodium sodium caseinate Spectrometry, Fluorescence thermal and ultrasound pretreatments Thermodynamics Ultrasonic imaging Ultrasonic Waves |
| title | Thermal and single frequency counter-current ultrasound pretreatments of sodium caseinate: enzymolysis kinetics and thermodynamics, amino acids composition, molecular weight distribution and antioxidant peptides |
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