 |
 |
 |
 |
 |
 |
||
 |
 |
 |
 |
 |
| 3 | 1/1 | 返回列表 |
| 查看: 575 | 回復(fù): 2 | ||
何君鐵桿木蟲(chóng) (著名寫(xiě)手)
|
[求助]
論文摘要翻譯
|
| Hydration of granular, gelatinized and molecularly modified states of potato starch in terms of molecular mobility were analyzed by 13C and 31P solid-state MAS NMR. Gelatinization (GEL) tremendously reduced the immobile fraction compared to native (NA) starch granules. This effect was enhanced by enzyme-assisted catalytic branching with branching enzyme (BE) or combined BE and -amylase (BB) catalyzed exo-hydrolysis. Carbons of the glycosidic -1,6 linkages required high hydration rates before adopting uniform chemical shifts indicating solid-state disorder and poor water accessibility. Comparative anal-ysis of wheat and waxy maize starches demonstrated that starches were similar upon gelatinization independent of botanical origin and that the torsion angles of the glycosidic linkages were averages of the crystalline A and B type structures. In starch suspension phosphorous in immobile regions was only observed in NA starch. Moreover phosphorous was observed in a minor pH-insensitive form and as major phosphate in hydrated GEL and BE starches |
回復(fù)此樓» 猜你喜歡
北科281學(xué)碩材料求調(diào)劑
已經(jīng)有3人回復(fù)
-
A區(qū)線材料學(xué)調(diào)劑
已經(jīng)有3人回復(fù)
-
319求調(diào)劑
已經(jīng)有3人回復(fù)
-
085700資源與環(huán)境308求調(diào)劑
已經(jīng)有12人回復(fù)
-
265求調(diào)劑
已經(jīng)有10人回復(fù)
-
一志愿吉林大學(xué)材料學(xué)碩321求調(diào)劑
已經(jīng)有15人回復(fù)
-
0703化學(xué)調(diào)劑 ，六級(jí)已過(guò)，有科研經(jīng)歷
已經(jīng)有13人回復(fù)
-
求調(diào)劑
已經(jīng)有3人回復(fù)
-
261求B區(qū)調(diào)劑，科研經(jīng)歷豐富
已經(jīng)有4人回復(fù)
-
求調(diào)劑
已經(jīng)有3人回復(fù)
武漢一心一譯 
捐助貴賓 (著名寫(xiě)手)
- 翻譯EPI: 502
- 應(yīng)助: 8 (幼兒園)
- 金幣: 2283.1
- 散金: 5914
- 紅花: 32
- 帖子: 1665
- 在線: 321.9小時(shí)
- 蟲(chóng)號(hào): 3587652
- 注冊(cè): 2014-12-10
- 性別: GG
- 專(zhuān)業(yè): 高分子合成化學(xué)
【答案】應(yīng)助回帖
商家已經(jīng)主動(dòng)聲明此回帖可能含有宣傳內(nèi)容
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
何君: 金幣+20, ★有幫助 2015-09-02 15:38:07
何君: 金幣+20, ★有幫助 2015-09-02 15:38:07
|
Hydration of granular, gelatinized and molecularly modified states of potato starch in terms of molecular mobility were analyzed by 13C and 31P solid-state MAS NMR. 通過(guò)固態(tài)核磁共振碳譜, 分析了顆粒的水合作用，以及經(jīng)過(guò)涂膠后分子流動(dòng)性得到改進(jìn)的 馬鈴薯淀粉。 Gelatinization (GEL) tremendously reduced the immobile fraction compared to native (NA) starch granules. This effect was enhanced by enzyme-assisted catalytic branching with branching enzyme (BE) or combined BE and -amylase (BB) catalyzed exo-hydrolysis. 相比原生態(tài)淀粉粒，凝膠化的淀粉粒極大的降低了固定的部分。而通過(guò)添加分支酶產(chǎn)生酶催化分支反應(yīng)，或者添加淀粉酶與分支酶的混合酶產(chǎn)生催化外水解反應(yīng)，都能夠加劇這種效果。 Carbons of the glycosidic -1,6 linkages required high hydration rates before adopting uniform chemical shifts indicating solid-state disorder and poor water accessibility. 糖苷鍵碳原子需要高水化率，然后采用統(tǒng)一的化學(xué)變化，標(biāo)明了其固態(tài)障礙和較差的親水性。 Comparative analysis of wheat and waxy maize starches demonstrated that starches were similar upon gelatinization independent of botanical origin and that the torsion angles of the glycosidic linkages were averages of the crystalline A and B type structures. 通過(guò)比較分析小麥和蠟質(zhì)玉米淀粉，展現(xiàn)了經(jīng)過(guò)凝膠化的蠟質(zhì)玉米淀粉是類(lèi)似的，并不受植物來(lái)源因素的限制，同時(shí)也展現(xiàn)了糖苷鍵的扭角介于晶態(tài)A和B型結(jié)構(gòu)之間。 In starch suspension phosphorous in immobile regions was only observed in NA starch. Moreover phosphorous was observed in a minor pH-insensitive form and as major phosphate in hydrated GEL and BE starches 固定區(qū)域的淀粉懸浮磷只能在淀粉鈉中觀察到。而且就算觀察到，也是微量的對(duì)PH值不敏感的形態(tài)呈現(xiàn)，主要成分還是以水合凝膠和分支酶淀粉中的磷酸鹽形式存在。 |
2樓2015-09-02 15:08:50
何君
鐵桿木蟲(chóng) (著名寫(xiě)手)
- 應(yīng)助: 3 (幼兒園)
- 金幣: 7367.1
- 散金: 120
- 紅花: 7
- 帖子: 1244
- 在線: 193.3小時(shí)
- 蟲(chóng)號(hào): 442118
- 注冊(cè): 2007-10-27
- 性別: GG
- 專(zhuān)業(yè): 食品加工技術(shù)
3樓2015-09-02 15:32:26
相關(guān)版塊跳轉(zhuǎn)
我要訂閱樓主 何君 的主題更新
| 3 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 290求調(diào)劑 +4 | ^O^乜 2026-03-19 | 4/200 |
|
|---|---|---|---|---|
|
[考研]
 271材料工程求調(diào)劑
+7
|
.6lL 2026-03-18 | 7/350 |
|
|
|
[考研] 329求調(diào)劑 +6 | 想上學(xué)吖吖 2026-03-19 | 6/300 |
|
|
|
[考研] 材料專(zhuān)碩英一數(shù)二306 +6 | z1z2z3879 2026-03-18 | 6/300 |
|
|
|
[考研] 生物學(xué)調(diào)劑招人�。�！ +3 | 山海天嵐 2026-03-17 | 4/200 |
|
|
|
[考博] 申博26年 +3 | 八6八68 2026-03-19 | 3/150 |
|
|
|
[考研] 一志愿天津大學(xué)化學(xué)工藝專(zhuān)業(yè)（081702）315分求調(diào)劑 +11 | yangfz 2026-03-17 | 11/550 |
|
|
|
[考研] 324分 085600材料化工求調(diào)劑 +3 | llllkkkhh 2026-03-18 | 3/150 |
|
|
|
[考研] 332求調(diào)劑 +3 | ydfyh 2026-03-17 | 3/150 |
|
|
|
[考研] 0703化學(xué) 305求調(diào)劑 +4 | FY_yy 2026-03-14 | 4/200 |
|
|
|
[考研] 295求調(diào)劑 +3 | 一志愿京區(qū)211 2026-03-18 | 5/250 |
|
|
|
[考研] 085601專(zhuān)碩，總分342求調(diào)劑，地區(qū)不限 +5 | share_joy 2026-03-16 | 5/250 |
|
|
|
[考研] 070300化學(xué)319求調(diào)劑 +6 | 錦鯉0909 2026-03-17 | 6/300 |
|
|
|
[考研] 334求調(diào)劑 +3 | 志存高遠(yuǎn)意在機(jī)?/a> 2026-03-16 | 3/150 |
|
|
|
[考研] 326求調(diào)劑 +5 | 上岸的小葡 2026-03-15 | 6/300 |
|
|
|
[考研] 材料工程專(zhuān)碩274一志愿211求調(diào)劑 +6 | 薛云鵬 2026-03-15 | 6/300 |
|
|
|
[考研]
11408 一志愿西電，277分求調(diào)劑
+3
|
zhouzhen654 2026-03-16 | 3/150 |
|
|
|
[考研] 070300化學(xué)學(xué)碩求調(diào)劑 +6 | 太想進(jìn)步了0608 2026-03-16 | 6/300 |
|
|
|
[考研] 中科院材料273求調(diào)劑 +4 | yzydy 2026-03-15 | 4/200 |
|
|
|
[考研] 求老師收留調(diào)劑 +4 | jiang姜66 2026-03-14 | 5/250 |
|