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Article: Studies on uronic acid materials. Part XV. The use of molecular-sieve chromatography in studies on acacia senegal gum (gum arabic)
Title | Studies on uronic acid materials. Part XV. The use of molecular-sieve chromatography in studies on acacia senegal gum (gum arabic) |
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Authors | |
Issue Date | 1966 |
Citation | Carbohydrate Research, 1966, v. 2, n. 2, p. 104-114 How to Cite? |
Abstract | Investigations involving fractional precipitation of A. senegal gum by sodium sulphate lead to a discussion on the type of heterogeneity exhibited by the gum. Molecular-sieve chromatography is used to estimate number-average molecular weights. Results obtained using this chromatographic technique on the degraded gum produced on autohydrolysis indicate that such mild conditions of hydrolysis are not always very selective as a means of degradation. The degraded gum is shown to have galactose residues as reducing end-groups. There is no evidence for labile, internal, arabinofuranosyl linkages in the whole gum. In addition, chromatographic evidence is obtained for the presence of 6-O-(4-O-methyl-β-D-glucopyranosyluronic acid)-D-galactose residues in A. senegal gum. © 1966. |
Persistent Identifier | http://hdl.handle.net/10722/332848 |
ISSN | 2023 Impact Factor: 2.4 2023 SCImago Journal Rankings: 0.509 |
DC Field | Value | Language |
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dc.contributor.author | Anderson, D. M.W. | - |
dc.contributor.author | Stoddart, J. F. | - |
dc.date.accessioned | 2023-10-06T05:14:44Z | - |
dc.date.available | 2023-10-06T05:14:44Z | - |
dc.date.issued | 1966 | - |
dc.identifier.citation | Carbohydrate Research, 1966, v. 2, n. 2, p. 104-114 | - |
dc.identifier.issn | 0008-6215 | - |
dc.identifier.uri | http://hdl.handle.net/10722/332848 | - |
dc.description.abstract | Investigations involving fractional precipitation of A. senegal gum by sodium sulphate lead to a discussion on the type of heterogeneity exhibited by the gum. Molecular-sieve chromatography is used to estimate number-average molecular weights. Results obtained using this chromatographic technique on the degraded gum produced on autohydrolysis indicate that such mild conditions of hydrolysis are not always very selective as a means of degradation. The degraded gum is shown to have galactose residues as reducing end-groups. There is no evidence for labile, internal, arabinofuranosyl linkages in the whole gum. In addition, chromatographic evidence is obtained for the presence of 6-O-(4-O-methyl-β-D-glucopyranosyluronic acid)-D-galactose residues in A. senegal gum. © 1966. | - |
dc.language | eng | - |
dc.relation.ispartof | Carbohydrate Research | - |
dc.title | Studies on uronic acid materials. Part XV. The use of molecular-sieve chromatography in studies on acacia senegal gum (gum arabic) | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/S0008-6215(00)81474-3 | - |
dc.identifier.scopus | eid_2-s2.0-49949132367 | - |
dc.identifier.volume | 2 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 104 | - |
dc.identifier.epage | 114 | - |