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高峰α-淀粉酶 BR,4000u/g

α-Amylase

源葉
S10004
9001-19-8
品牌 貨號 產(chǎn)品規(guī)格 價格(RMB) 庫存(上海) 北京 武漢 南京 購買數(shù)量
源葉 S10004-250g BR,4000u/g ¥210.00元 >10 3 2 4
產(chǎn)品介紹 參考文獻(106篇) 質(zhì)檢證書(COA) 摩爾濃度計算器 相關(guān)產(chǎn)品

產(chǎn)品介紹

 耐高溫α-淀粉酶采用地衣芽孢桿菌(Bacillus licheniformis)經(jīng)發(fā)酵、提取精制而成。

 

本品具有良好的耐高溫特性。廣泛應(yīng)用于淀粉糖(葡萄糖、飴糖、糊精、果糖、低聚糖)、酒精、啤酒、味精、食品釀造、有機酸、紡織、印染、造紙及其他發(fā)酵工業(yè)等。能在較高的溫度下迅速水解淀粉分子中α-1.4葡萄糖苷鍵,任意切斷成長短不一的短鏈糊精和少量的低聚糖,從而使淀粉的粘度迅速下降。液化作用時間延長,還會產(chǎn)生少量的葡萄糖和麥芽糖。

 

溫度范圍:最適作用溫度在90℃以上,95-97℃液化迅速,100℃仍保持相當(dāng)?shù)幕盍?,早噴射液化時,瞬間溫度可達105-110℃。

 

PH范圍:有效PH范圍在5.5-8.0,最適PH范圍在5.8-6.5。

 

酶活定義:在70℃、PH6.0條件下,1分鐘液化1mg可溶性淀粉成為糊精所需要的酶量,即為1個酶活力單位。

 

在酒精生產(chǎn)中,以每噸原料加入該酶0.3升左右(2萬 u/g),PH6.5-7.0,攪勻以后用泵送入蒸煮鍋或連續(xù)蒸煮加熱器,溫度可控制在100±5℃。時間為100分鐘,冷卻后糖化。

外觀: 粉末
儲存條件: 2-8℃
注意: 部分產(chǎn)品我司僅能提供部分信息,我司不保證所提供信息的權(quán)威性,僅供客戶參考交流研究之用。

參考文獻(106篇)

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