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Structural variations of arabinoxylans extracted from different wheat (Triticum aestivum) cultivars in relation to chapati-quality
Revanappa, S. B. and Nandini, C. D. and Salimath, P. V. (2015) Structural variations of arabinoxylans extracted from different wheat (Triticum aestivum) cultivars in relation to chapati-quality. Food Hydrocolloids, 43. pp. 736-742.
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Food Hydrocolloids Volume 43, January 2015, Pages 736–742.pdf - Published Version Restricted to Registered users only Download (758kB) |
Abstract
Wheat varieties, such as DWR-162, GW-322 (good chapati making quality) and MACS-2496, HD-2189 (poor chapati making quality) were used to study the structural features of arabinoxylans. Structural features of the purified arabinoxylans were elucidated by a combination of methods such as methylation analysis, 13C-NMR, FT-IR, periodate oxidation, Smith degradation and optical rotation measurements. The results indicated a xylan backbone in b-(1e4) linkage, which is substituted at O-3 or at O-2 and O-3. Completely branched xylosyl residues were also observed in these wheat arabinoxylans. The wheat varieties known for good chapati making quality (DWR-162 and GW-322) revealed arabinoxylans with higher degree of branching pattern compared to those of poor wheat varieties such as MACS-2496 and HD-2189. Variations in the structural characteristics of arabinoxylans such as degree of branching pattern coupled with ferulic acid contents are of interest in wheat varieties differing in chapati making quality.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Wheat varieties Arabinoxylans Pentosans Structure Chapati quality |
| Subjects: | 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 28 Polysaccharide Chemistry 600 Technology > 08 Food technology > 26 Bakery products > Indian flat bread |
| Divisions: | Dept. of Biochemistry |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 18 May 2016 05:53 |
| Last Modified: | 16 Jan 2017 12:26 |
| URI: | http://ir.cftri.res.in/id/eprint/12145 |
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