Spatial distribution of functional components in the starchy endosperm of wheat grains
| العنوان: | Spatial distribution of functional components in the starchy endosperm of wheat grains |
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| المؤلفون: | Peter R. Shewry, Yongfang Wan, Paola Tosi, Malcolm J. Hawkesford |
| المصدر: | Journal of Cereal Science |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | 0106 biological sciences, Cell type, Gluten proteins, TAG, triacylglycerol, Starch, SIMS, secondary ion mass spectrometry, HMW, high molecular weight, Spatial distribution, Polysaccharide, DPA, days past anthesis, 01 natural sciences, Biochemistry, Article, LMW, low molecular weight, A, arabinose, Endosperm, AXOS, arabinoxylan oligosaccharide, Cell wall, chemistry.chemical_compound, 0404 agricultural biotechnology, Polysaccharides, Aleurone, WE, water-extractable, White flour, Food science, NMR, nuclear magnetic resonance, chemistry.chemical_classification, Dietary fibre, food and beverages, Starchy endosperm, TDF, total dietary fibre, 04 agricultural and veterinary sciences, AX, arabinoxylan, GL, galactolipid, Lipids, 040401 food science, X, xylose, WU, water-unextractable, FTIR, Fourier transform infrared, PL, phospholipid, chemistry, Wheat, DP, degree of polymerisation, Plant nutrition, 010606 plant biology & botany, Food Science |
| الوصف: | The starchy endosperm of the mature wheat grain comprises three major cell types, namely sub-aleurone cells, prismatic cells and central cells, which differ in their contents of functional components: gluten proteins, starch, cell wall polysaccharides (dietary fibre) and lipids. Gradients are established during grain development but may be modified during grain maturation and are affected by plant nutrition, particularly nitrogen application, and environmental factors. Although the molecular controls of their formation are unknown, the high content of protein and low content of starch of sub-aleurone cells, compared to the other starchy endosperm cells types, may result from differences in developmental programming related to the cells having a separate origin (from anticlinal division of the aleurone cells). The gradients within the grain may be reflected in differences in the compositions of mill streams, particularly those streams enriched in the central and outer cells of the starchy endosperm, respectively, allowing the production of specialist flours for specific end uses. Graphical abstract Image 1 Highlights • The mature starchy endosperm of wheat comprises three cell types. • These differ in their contents of functional components. • These differences are reflected in the compositions of mill streams. • These differences may affect functionality. • Hence innovative milling can be used to prepare flours for special uses. |
| وصف الملف: | application/pdf |
| تدمد: | 0733-5210 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04e8efcfcbe6650f6081e3be9d429218Test https://pubmed.ncbi.nlm.nih.gov/32089586Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....04e8efcfcbe6650f6081e3be9d429218 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 07335210 |
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