کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7783412 | 1500570 | 2018 | 32 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Multi-scale structural changes in lintnerized starches from three coloured potatoes
ترجمه فارسی عنوان
تغییرات ساختاری چند متغیری در نشاسته لاکتونریت از سه سیب زمینی رنگی
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کلمات کلیدی
Sodium acetate (PubChem CID: 517045) - استات سدیم (PubChem CID: 517045)Acetic acid (PubChem CID: 176) - اسید استیک (PubChem CID: 176)Sulfuric acid (PubChem CID: 1118) - اسید سولفوریک (PubChem CID: 1118)Hydrochloric acid (PubChem CID: 313) - اسید هیدروکلریک (PubChem CID: 313)Molecular size distribution - توزیع اندازه مولکولیCrystal properties - خواص کریستالDimethyl sulfoxide (PubChem CID: 679) - دی متیل سولفوکسید (PubChem CID: 679)Phenol (PubChem CID: 996) - فنل (PubChem CID: 996)Potato starch - نشاسته سیب زمینیMorphological characteristics - ویژگی های مورفولوژیکی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
چکیده انگلیسی
Three kinds of potato starch were treated with 2.2â¯N HCl at 35â¯Â°C for 40 days, and their susceptibility to acid hydrolysis and the resulting structural changes were evaluated. Red potato starch was more susceptible to acid hydrolysis and presented highest rate of hydrolysis. Lintnerized starches had relatively low average molecular weights and z-average radius of gyration. HPAEC analyses showed three lintners presented different molecular size distributions. Lintnerized yellow potato starch had few chains of DPâ¯â¤â¯12 (2.58â¯mol%) and more chains of DPâ¯â¥â¯37 (8.16â¯mol%). Furthermore, the similarities of the branch-chain length distributions before and after debranching indicated the lintners consisted primarily of linear molecules. After lintnerization, most starch granules were degraded, and the birefringence disappeared from some granules. X-ray diffraction patterns revealed that the relative crystallinity significantly increased after lintnerization. DSC analyses showed that lintners displayed broader thermal-transitions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 188, 15 May 2018, Pages 228-235
Journal: Carbohydrate Polymers - Volume 188, 15 May 2018, Pages 228-235
نویسندگان
Liping Yang, Yuesheng Xia, Yuchen Tao, Huihui Geng, Yanyan Ding, Yibin Zhou,