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Article: Raman spectroscopic determination of the degree of succinate in modified waxy maize starches
Title | Raman spectroscopic determination of the degree of succinate in modified waxy maize starches |
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Authors | |
Keywords | FT Raman spectroscopy Modified starch Succinylation |
Issue Date | 1999 |
Publisher | Taylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00032719.asp |
Citation | Analytical Letters, 1999, v. 32 n. 13, p. 2703-2711 How to Cite? |
Abstract | Waxy (essentially amylose-free) maize starch was chemically modified to varying degrees by treatment with succinic anhydride, and the degree of substitution was determined by a standard wet chemistry method. FT-Raman spectra of the modified starches were obtained, and indicated a characteristic ~1730 cm-1 C=O stretch Raman band whose intensity was dependent on the degree of succinylation. The ratio of intensity of the ~1730 cm-1 band to a ~940 cm-1 C-C stretch Raman band (used as an internal standard) was plotted against the degree of succinylation determined by titration, and a linear fit was obtained with a correlation of 0.998. Hence FT-Raman spectroscopy represents a rapid non-destructive method to determine the degree of succinylation of modified waxy maize starch, and should be suitable for use with succinylated starches of any amylose content. |
Persistent Identifier | http://hdl.handle.net/10722/68618 |
ISSN | 2023 Impact Factor: 1.6 2023 SCImago Journal Rankings: 0.351 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Phillips, DL | en_HK |
dc.contributor.author | Jie, X | en_HK |
dc.contributor.author | Liu, H | en_HK |
dc.contributor.author | Chong, CK | en_HK |
dc.contributor.author | Corke, H | en_HK |
dc.date.accessioned | 2010-09-06T06:06:11Z | - |
dc.date.available | 2010-09-06T06:06:11Z | - |
dc.date.issued | 1999 | en_HK |
dc.identifier.citation | Analytical Letters, 1999, v. 32 n. 13, p. 2703-2711 | en_HK |
dc.identifier.issn | 0003-2719 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/68618 | - |
dc.description.abstract | Waxy (essentially amylose-free) maize starch was chemically modified to varying degrees by treatment with succinic anhydride, and the degree of substitution was determined by a standard wet chemistry method. FT-Raman spectra of the modified starches were obtained, and indicated a characteristic ~1730 cm-1 C=O stretch Raman band whose intensity was dependent on the degree of succinylation. The ratio of intensity of the ~1730 cm-1 band to a ~940 cm-1 C-C stretch Raman band (used as an internal standard) was plotted against the degree of succinylation determined by titration, and a linear fit was obtained with a correlation of 0.998. Hence FT-Raman spectroscopy represents a rapid non-destructive method to determine the degree of succinylation of modified waxy maize starch, and should be suitable for use with succinylated starches of any amylose content. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Taylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00032719.asp | en_HK |
dc.relation.ispartof | Analytical Letters | en_HK |
dc.subject | FT Raman spectroscopy | en_HK |
dc.subject | Modified starch | en_HK |
dc.subject | Succinylation | en_HK |
dc.title | Raman spectroscopic determination of the degree of succinate in modified waxy maize starches | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-2719&volume=32&issue=13&spage=2703&epage=2711&date=1999&atitle=Raman+spectroscopic+determination+of+the+degree+of+succinate+in+modified+waxy+maize+starches | en_HK |
dc.identifier.email | Phillips, DL: phillips@hku.hk | en_HK |
dc.identifier.email | Corke, H: harold@hku.hk | en_HK |
dc.identifier.authority | Phillips, DL=rp00770 | en_HK |
dc.identifier.authority | Corke, H=rp00688 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1080/00032719908542999 | - |
dc.identifier.scopus | eid_2-s2.0-0032884299 | en_HK |
dc.identifier.hkuros | 50360 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032884299&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 32 | en_HK |
dc.identifier.issue | 13 | en_HK |
dc.identifier.spage | 2703 | en_HK |
dc.identifier.epage | 2711 | en_HK |
dc.identifier.isi | WOS:000083212300014 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Phillips, DL=7404519365 | en_HK |
dc.identifier.scopusauthorid | Jie, X=7004015002 | en_HK |
dc.identifier.scopusauthorid | Liu, H=7409750275 | en_HK |
dc.identifier.scopusauthorid | Chong, CK=7202196276 | en_HK |
dc.identifier.scopusauthorid | Corke, H=7007102942 | en_HK |
dc.identifier.issnl | 0003-2719 | - |