北京Maltotriose麥芽三糖1109-28-0

來源: 發(fā)布時(shí)間:2024-08-03

    介紹下面一種麥芽三糖形成酶的高產(chǎn)菌株及篩選,培養(yǎng)方法中,高產(chǎn)菌株為蛾微桿菌Microbacterium?imperiale的誘變菌株Metp-57,該菌株保藏于微菌種保藏管理會普通微中心,保藏編號CGMCC11536.誘變菌株Metp-57是通過等離子體誘變方法獲得的,比常規(guī)誘變方法獲得的菌株遺傳穩(wěn)定性更高,麥芽三糖形成酶的酶活更高,其產(chǎn)量相對于出發(fā)菌株Mebl-012的產(chǎn)量有較大提高,同時(shí)也降低了生產(chǎn)成本.從土壤中篩選出1株產(chǎn)外切型異麥芽三糖水解酶的黃綠青霉,可特異性地水解右旋糖酐只產(chǎn)生異麥芽三糖.該菌株產(chǎn)酶優(yōu)條件為:培養(yǎng)液中淀粉,葡聚糖,NH4Cl,酵母膏的質(zhì)量分?jǐn)?shù)分別為1%,1%,℃培養(yǎng)13d酶活達(dá)到適作用溫度為55℃,在50℃半衰期為3h,適作用pH為促進(jìn)酶活,Ca^2+,Fe^2+強(qiáng)烈酶活。 麥芽糖標(biāo)準(zhǔn)品麥芽糖麥芽三糖麥芽四糖麥芽五糖麥芽六糖麥芽七糖。北京Maltotriose麥芽三糖1109-28-0

麥芽三糖主要來源于淀粉的水解過程。通過特定的酶或化學(xué)方法,可以將淀粉分解為麥芽糖、麥芽三糖等寡糖。提取麥芽三糖需要經(jīng)過一系列的分離和純化步驟,以確保獲得高純度的產(chǎn)品?,F(xiàn)技術(shù)的發(fā)展為麥芽三糖的高效提取提供了更多可能。例如,利用基因工程改造的酶制劑,可以更精細(xì)地分解淀粉,提高麥芽三糖的產(chǎn)量和純度。麥芽三糖與血糖管理對于血糖管理,麥芽三糖具有一定的特點(diǎn)。它的升糖指數(shù)相對較低,這意味著攝入后不會引起血糖的急劇上升。對于糖尿病患者或需要控制血糖的人群來說,適量攝入含有麥芽三糖的食物可能是一個(gè)較好的選擇。然而,仍需注意攝入量,因?yàn)檫^量攝入任何糖類都可能對血糖控制產(chǎn)生不利影響。比如,一些專為糖尿病患者設(shè)計(jì)的食品中,可以適量添加麥芽三糖來提供甜味和能量。上海分析麥芽三糖1109-28-0利用麥芽三糖作為糖源加工的糕點(diǎn),質(zhì)地松軟,久儲不干。

    1?4)-MALTOTRIOSE96+%D-MALTOTRIOSE99+%Maltotriose-TechnicalO-alpha-D-glucopyranosyl-(1->4)-O-alpha-D-glucopyranosyl-(1->4)-O-alpha-D-glucopyranoseα-D-Glc-(1→4)-α-D-Glc-(1→4)-D-GlcO-α-DD-Glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→4)-D-glucoseGLC-ALPHA1,4GLC-ALPHA1,4GLCD-MALTOTRIOSED-(+)-MALTOTRIOSEMALTOTRIOSE,D-(+)-MALTOTRIOSEA-1,4-GLUCOTRIOSEAMYLOTRIOSEALPHA-D-GLC-[1->4]-ALPHA-D-GLC-[1->4]-D-GLCTRIOMALTOSEO-ALPHA-D-GLUCOPYRANOSYL-(1->4)-O-ALPHA-D-GLUCOPYRANOSYL-(1->4)-O-ALPHA-D-GLUCOSEO-ALPHA-D-GLUCOPYRANOSYL-(1->4)-O-ALPHA-D-GLUCOPYRANOSYL-(1->4)-D-GLUCOSE(2R,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triolMaltotrioseh(3R,4R,5S,6R)-5-(((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxyMethyl)-5-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxyMethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-6-。

Cat No. MDP03 CAS RN 1109-28-0 Product Name 麥芽三糖 Maltotriose,Dp3 Molecular Formula C18H32O16 Molecular Weight 504.4 g/mol IUPAC Name (2R,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol InChI InChI=1S/C18H32O16/c19-1-4-7(22)8(23)12(27)17(31-4)34-15-6(3-21)32-18(13(28)10(15)25)33-14-5(2-20)30-16(29)11(26)9(14)24/h4-29H,1-3H2/t4-,5-,6-,7-,8+,9-,10-,11-,12-,13-,14-,15-,16?,17-,18-/m1/s1 InChI Key RXVWSYJTUUKTEA-CGQAXDJHSA-N Isomeric SMILES C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O[C@@H]2[C@H](O[C@@H]([C@@H]([C@H]2O)O)O[C@H]([C@@H](CO)O)[C@@H]([C@H](C=O)O)O)CO)O)O)O)O SMILES C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)OC3C(OC(C(C3O)O)O)CO)CO)O)O)O)O Canonical SMILES C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)OC(C(CO)O)C(C(C=O)O)O)CO)O)O)O)O Appearance HPLC≥98% A crystalline solid Other CAS RN 6118-87-2 Synonyms O-α-D-Glucopyranosyl-(1->4)-O-α-D-glucopyranosyl-(1->4)-D-glucose; Amylotriose; NSC 170180; Triomaltose; 麥芽三糖是由三個(gè)葡萄糖分子組成的三糖。

    合成方法:麥芽糖的合成方法有很多種。最常見的方法是兩分子葡萄糖在酸性催化劑的存在下縮合。反應(yīng)產(chǎn)生一分子麥芽三糖和一分子水。另一種方法涉及使用諸如麥芽三糖合酶和1-磷酸麥芽三糖合酶等酶。這些酶催化磷酸基從ATP分子轉(zhuǎn)移到葡萄糖分子,從而形成1-磷酸麥芽三糖。這個(gè)分子可以被水解生成麥芽三糖??蒲袘?yīng)用:麥芽糖有許多科學(xué)研究應(yīng)用。在體內(nèi),它已被用于研究葡萄糖對分泌的影響,并研究碳水化合物代謝的機(jī)制。在體外,麥芽三糖已被用于研究參與碳水化合物代謝的酶的結(jié)構(gòu)和功能,如麥芽三糖合酶和麥芽三糖-1-磷酸合酶。它也被用于研究其他蛋白質(zhì)的結(jié)構(gòu)和功能,如糖蛋白和凝集素。高純度麥芽三糖用于研究,生化酶測定和體外診斷分析。 麥芽三糖CAS號1109-28-0。廣東試劑麥芽三糖麥芽三糖

麥芽三糖用于提高各種食品的口感、甜度和質(zhì)地。北京Maltotriose麥芽三糖1109-28-0

    TrisaccharidesSugarsBiochemistryBasicSugars(Mono&Oligosaccharides)Carbohydrates&Derivatives對照品-糖類(碳水化合物)碳水化合物類碳水化合物植物提取物生化試劑糖類醫(yī)yao與sheng物化工糖化學(xué)分析標(biāo)準(zhǔn)品-CarbohydratesBiochemicalsandReagentsBioChemicalOligosaccharidePolysaccharideC18H32O16麥芽三糖水合物D-(+)-麥芽三糖,水合物麥芽三糖D-麥芽三糖麥芽三糖標(biāo)準(zhǔn)品麥芽三糖麥芽三糖100MG1109-28-0Maltotriose,α-D-Glc-(1→4)-α-D-Glc-(1→4)-D-Glc,O-α-DD-Glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→4)-D-glucoseMALTOTRIOSEPUREMaltotriose,93%D-MaltoLriose4-O-[4-O-(α-D-Glucopyranosyl)-α-D-glucopyranosyl]-D-glucose(+)-4-O-(4-O-α-D-Glucopyranosyl-α-D-glucopyranosyl)-D-glucoseO-α-DD-Glucopyranosyl-(1-4)-O-α-D-glucopyranosyl-(1-4)-D-glucose,α-D-Glc-(1-4)-α-D-Glc-(1-4)-D-GlcMALTOTRIOSE,D-(+)-(RG)4-[3,4-dihydroxy-6-(hydroxymethyl)-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-oxan-2-yl]oxy-2,3,5,6-tetrahydroxy-hexanalD-Glucose,(1?4)。北京Maltotriose麥芽三糖1109-28-0