D-甘露糖/D-果糖/D-葡萄糖检测试剂盒 D-mannose/D-fructose/D-glucose assay kit
标签归档:Megazyme酶试剂
D-乳酸检测试剂盒,D-Lactic Acid Assay Kit
D-乳酸检测试剂盒,D-Lactic Acid Assay Kit
名称:D-乳酸检测试剂盒
英文名:D-Lactic Acid Assay Kit
规格:50次
产地:爱尔兰
外观 :五玻璃瓶。
比重 :不适用
在水中的溶解度: 易溶
pH值: 7.0
气味: 无
粉末和液体形式
稳定性: 稳定 5年或以上(冷冻)
成分:
名称 比例
甘氨酰甘氨酸缓冲液 1瓶(玻璃)
烟酰胺腺嘌呤二核苷酸 1瓶(玻璃)
D-谷氨酸丙酮酸转氨酶 1瓶(玻璃)
D-乳酸脱氢酶酶 1瓶(玻璃)
D-乳酸的标准品 1瓶(玻璃)
许多食品和饮料中都发现有D-乳酸. 由乳酸菌产生, D-乳酸存在于牛奶的发酵产品中比如酸奶,腌菜,腌肉和腌鱼中。牛奶、肉、和果汁的质量可以通过测定D-乳酸的含量来确定。在葡萄酒生产中,D-乳酸的产生标志着酒被乳酸菌***。在化学工业中,D-乳酸和L-乳酸都是生产过程中聚合物的原料,比如聚交酯和一些生物学上可降解的聚合物。同时也应用在化妆品和医药品中。
原理:
D-乳酸的定量分析需要两步酶化反应。 第一个反应由D-乳酸脱氢酶(D-LDH)催化,D-乳酸在烟酰腺嘌呤二核苷酸(NAD+)的催化下,被氧化成丙***酸
然而, 因为反应(1)的移动和D-乳酸和NAD+有着密切的关系,下一步反应需要消耗掉产生的丙***酸 在大量D-谷氨酸的存在下,通过在D-谷氨酸-丙***酸转氨酶(D-GPT)的作用下把丙***酸转化为D-丙氨酸和2-***戊二酸。(2).
以上两个反应中产生的 NADH 的量可以用来计量D-乳酸的量。 NADH的量通过340nm处增加的吸光率来测量。
特异性,敏感度, 线性和准确性:
此方法特异性检测D-乳酸.
此方法特异性检测D-乳酸和L-乳酸。在D-乳酸锂(MW=96.0)的检测中,大约可以预期结果为96%(W/W),L-乳酸锂可以得到98%(W/W)。
检测的灵敏度为0.005 个吸光度单位。相当于样品最大体积为1.50 mL 时,样品浓度为0.107 mg/L(或者 1.60 mg/L ,样品体积0.1 mL) 。检测限为 0.214 mg/L,这是在0.010的吸光度差异,样品最大体积为1.50 mL为得到的 。
D-乳酸检测的线性变化为0.5 到 30 μg 。在重复测定中,同一份样品溶液,可能产生0.005 到 0.010 个吸光光度值的差异。这就相当于样品1.50 mL,样品溶液中D-乳酸的浓度为0.107 到 0.214 mg/L 。如果样品在制备阶段被稀释过,结果要乘以稀释倍数F。如果样品制备阶段,称量过样品,比如10 g/L,可能会产生0.02 到 0.05 g/100 g 的差异。
干扰:
如果D-乳酸的转换在实验指定的时间内(大约5分钟)彻底完成,通常认为是没有发生任何干扰。不过,这个也可以进一步验证,通过在实验的完成时,向比色皿中加入D-乳酸混合物(大约每0.1mL15ug),吸光光度值有会明显增加。
样品中的干扰物质的分析可以通过加入一个内参来确定。需要进行一个标准品定量回收实验,通过这个回收实验(也就是在最初的提取步骤中向样品中加入D-乳酸)可以算出样品在处理和提取过程中的损失量。
D-Lactic Acid (D-Lactate) (Rapid)
For the rapid and specific assay of D-lactic acid in wine, beer, juice, milk, cheese, vinegar and meat products.
Catalogue Number: K-DATE
Content: 50 assays per kit
Appearance Five glass vials.
Specific Gravity not applicable
Solubility in Water Readily soluble.
pH Value 7.0
Odour none
Form powders and liquids
Stability stable in a freezer for five or more years
Ingredients Name CAS Proportion
Glycylglycine buffer 1 vial (glass)
Nicotinamide adenine dinucleotide 1 vial (glass)
D-Glutamate pyruvate transaminase enzyme 1 vial (glass)
D-Lactate Dehydrogenase enzyme 1 vial (glass)
D-Lactic acid standard solution 1 vial (glass)
K-DATE D-乳酸快速检测试剂盒
乙醛检测试剂盒K-ACHYD13
乙酸 (ACS;分析仪格式)检测试剂盒K-ACETAF13
乙酸(ACS;手工格式)检测试剂盒K-ACET14
乙酸(AK;分析仪格式)检测试剂盒K-ACETAK14
乙酸(RM;快速手工格式)检测试剂盒K-ACETRM15
α-淀粉酶(“Ceralpha”方法)检测试剂盒K-CERA15
氨检测试剂盒K-AMIA16
氨(快速)检测试剂盒K-AMIAR16
直链淀粉 /支链淀粉检测试剂盒K-AMYL17
阿拉伯糖检测试剂盒K-ARAB17
L-阿拉伯糖/ D-半乳糖(快速)检测试剂盒K-ARGA18
阿拉伯木聚糖检测试剂盒K-ARAXYL18
L-精氨酸 /尿素 /氨(快速)检测试剂盒K-LARGE19
L-抗坏血酸检测试剂盒K-ASCO19
L-天冬酰胺酸/ L-谷氨酸酰胺/氨(快速)检测试剂盒K-ASNAM20
阿斯巴甜检测试剂盒K-ASPTM20
可用碳水化合物 /膳食纤维检测试剂盒K-ACHDF21
?-淀粉酶(“Betamyl”方法)检测试剂盒K-BETA21
β-(Mixedlinkage)检测试剂盒K-BGLU22
β-检测试剂盒K-YBGL22
β-葡聚糖酶(麦芽和微生物)检测试剂盒K-MBGL23
K-DATE D-乳酸快速检测试剂盒
胆固醇检测试剂盒K-CHOL23
柠檬酸检测试剂盒K-CITR24
乙醇检测试剂盒K-ETOH24
蚁酸检测试剂盒K-FORM25
果糖(己糖激酶格式)检测试剂盒K-FRUCHK25
果糖(PAHBAH格式)检测试剂盒K-FRUC26
D-果糖 / D-葡萄糖检测试剂盒K-FRUGL26
D-果糖 / D-葡萄糖 (MegaQuant格式)检测试剂盒K-FRGLMQ27
半乳甘露聚糖检测试剂盒K-GALM27
葡甘露聚糖检测试剂盒K-GLUM28
D-葡萄糖酸 / D-葡萄糖酸内酯检测试剂盒K-GATE28
D-葡糖胺检测试剂盒K-GAME29
D-葡萄糖 (GOPOD格式)检测试剂盒K-GLUC29
D-葡萄糖(己糖激酶格式)检测试剂盒K-GLUHKR/L30
葡糖氧化酶检测试剂盒K-GLOX30
L-谷氨酰胺 /氨(快速)检测试剂盒K-GLNAM31
L-谷氨酸 (MSG)检测试剂盒K-GLUT31
甘油检测试剂盒K-GCROL32
D-3-羟丁酸检测试剂盒K-HDBA32
D-异柠檬酸检测试剂盒K-ISOC33
D-乳酸检测试剂盒K-DATE33
D-/L-乳酸检测试剂盒K-DLATE34
K-DATE D-乳酸快速检测试剂盒
L-乳酸检测试剂盒K-LATE34
乳糖 / D-半乳糖(快速)检测试剂盒K-LACGAR35
乳糖/蔗糖 / D-半乳糖检测试剂盒K-LACSU35
乳果糖检测试剂盒K-LACTUL36
D-苹果酸检测试剂盒K-DMAL36
L-苹果酸检测试剂盒K-LMALR/L37
L-苹果酸 (Analyser格式)检测试剂盒K-LMALAF37
L-苹果酸(MegaQuant格式)检测试剂盒K-LMALMQ38
麦芽糖/蔗糖/ D-葡萄糖检测试剂盒K-MASUG38
D-甘露醇 / L-阿拉伯糖醇检测试剂盒K-MANOL39
D-甘露糖 / D-果糖 / D-葡萄糖检测试剂盒K-MANGL39
果胶鉴定检测试剂盒K-PECID40
植酸检测试剂盒K-PHYT40
Primary氨基氮 (NOPA)检测试剂盒K-PANOPA41
丙酮酸检测试剂盒K-PYRUV41
棉籽糖/ D-半乳糖检测试剂盒K-RAFGA42
棉籽糖 /蔗糖 / D-葡萄糖检测试剂盒K-RAFGL42
抗性淀粉检测试剂盒K-RSTAR43
D-山梨醇 /木糖醇检测试剂盒K-SORB43
破损淀粉检测试剂盒K-SDAM44
琥珀酸检测试剂盒K-SUCC44
蔗糖 / D-果糖 / D-葡萄糖检测试剂盒K-SUFRG45
K-DATE D-乳酸快速检测试剂盒
蔗糖 / D-葡萄糖 (GOPOD格式)检测试剂盒K-SUCGL45
总膳食纤维检测试剂盒K-TDFR46
总淀粉 (GOPOD格式)检测试剂盒K-TSTA46
总淀粉(己糖激酶格式)检测试剂盒K-TSTAHK47
海藻糖检测试剂盒K-TREH47
尿素/氨(快速)检测试剂盒K-URAMR48
木聚糖酶 (Azo-Wax格式)检测试剂盒K-AZOWAX48
木聚糖酶(木聚糖酶 AX格式)检测试剂盒K-XYLS49
D-木糖检测试剂盒K-XYLOSE49
麦芽淀粉酶检测试剂盒 Malt Amylase Assay Kit
麦芽淀粉酶检测试剂盒 Malt Amylase Assay Kit
货号: K-MALTA
品名:麦芽淀粉酶检测试剂盒 Malt Amylase Assay Kit
型号:100 assays per kit
α-淀粉酶,β-淀粉酶在淀粉降解代谢过程中或发酵糖发芽或谷物麦芽中发挥重要作用。
上海子起生物提供麦芽淀粉酶检测试剂盒,比色法(400nm)测定谷物、麦芽、食品、饮料和发酵产品中的α-淀粉酶和Beta-淀粉酶。
原理:(说明书 请致电 400-811-9081)
(1) α-淀粉酶检测利用“Ceralpha” 方法
(2) Beta-淀粉酶检测利用 “Betamyl-3” 方法
反应时间:
麦芽淀粉酶检测试剂盒 K-MALTA
~ 20 min (Ceralpha 方法)
~ 10 min (Betamyl-3 方法)
检测限:0.05 U/mL
适用样品:面粉、麦芽、发酵液和其他原料
优点:
价格低廉(每次检测成本)
所有试剂配制后的稳定性>2年
只适用于酶法试剂盒
特异性高
方法简单
包含标准品
方法认证:AOAC (Method 2002.01), AACC (Method 22-02.01),ICC (Standard No. 303), RACI (Standard Method), and CCFRA (Flour Testing Working Group Method 0018)
RACI (标准方法)
D-果糖/D-葡萄糖检测试剂盒 D-Fructose/D-Glucose Assay Kit
D-果糖/D-葡萄糖检测试剂盒 D-Fructose/D-Glucose Assay Kit
1) 英文:D-Fructose/D-Glucose Assay Kit;
2) 中文:D-果糖/D-葡萄糖检测试剂盒;
3) 规格: 110; 4) 货号:K-FRUGL
方法认证 :AOAC,EN。NEN。NF。DIN,GOST,OIV,IFU ,AIJN,MEBAK,IOCCC以及德国、瑞士、奥地利和意大利的认证
优点:加入PVP防止丹宁酸的抑制;适用于手工和自动分析仪检测(优良的机器稳定性);已通过法国叙兹拉鲁塞葡萄酒大学的验证;价格低廉(每次检测成本);所有试剂配制后的稳定性〉2年(适用于手工分析);反应快25℃或37℃;包含稳定的D-葡萄糖/D-果糖标准溶液
检测原理:
检测方法:紫外风光光度法
检测波长:340nm;
反应时间:13min;
检测限:066mg/L;
适用样品:葡萄酒、啤酒、果汁、软饮料、牛奶、果酱、蜂蜜、食疗食品、烤食品、糖果、甜点、糖食、冰淇淋、水果和蔬菜、调味品、烟、化妆品、医药品、纸及其他原料(如生物培养基等样品);
Extended cofactors stability. Dissolved cofactors stable for > 1 year at 4oC.
Suitable for manual, auto-analyser and microplate formats.
相关产品: |
Beta葡聚糖[混联]检测试剂盒 |
Beta葡聚糖[酵母和蘑菇]检测试剂盒 |
阿拉伯聚糖检测试剂盒 |
D-甘露糖/D-果糖/D-葡萄糖检测试剂盒 |
D-果糖/D-葡萄糖[MegaQuant法]检测试剂盒 |
D-果糖/D-葡萄糖检测试剂盒 |
D-葡萄糖[GOPOD法]检测试剂盒 |
D-葡萄糖[HK法]检测试剂盒 |
D-葡萄糖[HK法]检测试剂盒 |
半乳糖苷果糖检测试剂盒 |
果聚糖(PAHBAH 格式)检测试剂盒 |
果聚糖[HK法]检测试剂盒 |
麦芽糖/蔗糖/D-葡萄糖检测试剂盒 |
乳糖/D-半乳糖[快速]检测试剂盒 |
乳糖/蔗糖/D-葡萄糖检测试剂盒 |
天门冬酰苯丙氨酸甲酯/甜味剂/阿斯巴甜[糖精]检测试剂盒 |
蔗糖/D-果糖/D-葡萄糖检测试剂盒 |
蔗糖/D-葡萄糖检测试剂盒 |
海藻糖检测试剂盒 |
D-木糖检测试剂盒 |
半乳甘露聚糖检测试剂盒 |
葡甘露聚糖检测试剂盒 |
半乳糖苷果糖检测试剂盒 |
密三糖或棉子糖/D-半乳糖检测试剂盒 |
密三糖或棉子糖/蔗糖/D-半乳糖检测试剂盒 |
氨[快速]检测试剂盒 Ammonia (Rapid)
氨[快速]检测试剂盒 Ammonia (Rapid)
- 由于适用不受抑制的谷氢酸脱氢酶,所以反应速度很快
- 适用于手工和白动分析仪检测
- 提供的酶为稳定的悬浮液
- 成本低(每次检测成本
- 所有试剂配制后的稳定性〉2年
- 片剂形式增加了稳定性
- 包含标准品
- 该实验方法已通过MEBAK和德国的认证
UV-method for the determination of Ammonia in foodstuffs,
beverages and other materialsPrinciple:
(microbial glutamate dehydrogenase)
(1) 2-Oxoglutarate + NADPH + NH4+ → L-glutamic acid + NADP+
+ H2O
Kit size: 96 assays (manual) / 960 (microplate)
/ 960 (auto-analyser)
Method: pectrophotometric at 340 nm
Reaction time: ~ 3 min
Detection limit: 0.07 mg/L
Application examples:
Grape juice, wine, fruit juices, soft drinks, dairy products (e.g. milk),
dietetic food, soy sauce, eggs and egg products, cheese, meat,
processed meat, seafood, bakery products (and baking agents),
fertilisers, pharmaceuticals, tobacco, cosmetics, water, Kjeldahl
analysis, paper (and cardboard), water and other materials
(e.g. biological cultures, samples, etc.)
Method recognition:
Methods based on this principle have been accepted by MEBAK
Advantages
- Very rapid reaction due to use of uninhibited glutamate dehydrogenase
- Enzyme supplied as stabilised suspension
- Very competitive price (cost per test)
- All reagents stable for > 2 years as supplied
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included
- Extended cofactors stability
- Suitable for manual, microplate and auto-analyser formats
上海金畔生物科技有限公司
服务热线:18301939375 QQ;3259632176
Email: info@jinpanbio.com
官网:http://www.jinpanbio.com
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金畔生物Hampton官网:http://hampton.jinpanbio.com/
金畔生物Lumiprobe官网:http://lumiprobe.jinpanbio.com/
金畔生物Amresco官网:http://amresco.jinpanbio.com/
金畔生物Nissui日水官网:http://nissui.jinpanbio.com/
金畔生物Oxoid培养基官网:http://oxoid.jinpanbio.com/
金畔生物Laysan PEG官网:http://laysan.jinpanbio.com/
爱尔兰Megazyme酶 Enzymes
爱尔兰Megazyme酶 Enzymes
该公司产品分以下系列:
1. 生物及食品酶法分析试剂盒 (Diagnostic Kits)
2. 试剂混合物(Reagent Mixtures)
3. 协同因子(Cofactors)
4. 糖酶片剂试验(Carbohydrase Tablet Tests)
5. 蛋白酶片剂试验(Protease Test Tablets)
6. 可溶性呈色底物(Soluble Chromogenic Substrates)
7. 不可溶性(交联的)呈色底物(Insoluble (Crosslinked) Chromogenic Substrates)
8. 酶(Enzymes)
9. 植物凝血素(Lectins)
10. 多聚糖(Polysaccharides)
11. 低聚糖(Oligosaccharides)
12. 相关产品 (General)
英文名称 | 酶中文名 | 规格(酶活性Units) | 货号 |
Acetate Kinase(E.coli) | 醋酸激酶[大肠杆菌] | 100000 | E-ACKEC |
RecAcetyl-CoA ynthetase (B.subtilis) | Acetyl-CoA合成酶[枯草杆菌] | 250 | E-ACSBS |
Adenylate Kinase (Myokinase)(prokaryote) | 转化腺苷酸激酶[肌激酶][原核生物] | 10000 | E-AMPK |
Alcohol dehydrogenase(E.coli) | 乙醇脱氢酶[大肠杆菌] | 1000 | E-ADHEC |
Alpha-Amylase(A.oryzae) | Alpha淀粉酶[米麴菌] | 20000 | E-ANAAM |
Alpha-Amylase(B.licheniformis) | Alpha淀粉酶[苔藓杆菌] | 120000 | E-BLAM |
β-Amylase(Barley) | Beta淀粉酶[大麦] | 100000 | E-BARBL |
β-Amylase(Barley) | Beta淀粉酶[大麦] | 2g | E-BARBP |
β-Amylase(B.cereus) | Beta淀粉酶[仙人掌杆菌] | 100,000 | E-BCBAM |
Amyloglucosidase(A.niger) | 淀粉葡萄糖苷酶[黑曲霉] | 140,000 | E-AMGDF |
Amyloglucosidase(Rhizopus sp.) | 淀粉葡萄糖苷酶[根霉] | 5,000 | E-AMGPU |
endo-1,5-α-L-Arabinanase(A.niger) | 1,5-α-L-阿拉伯糖内切酶[黑曲霉] | 140 | E-EARAB |
α-L-Arabinofuranosidase(A.niger)) | α-L-阿拉伯呋喃糖酶[黑曲霉] | 300 | E-AFASE |
Recα-L-Arabinofuranosidase(Novel Specificity) | α-L-阿拉伯呋喃糖酶[新] | 400 | E-AFAM2 |
Alpha-aspartyl dipeptiease(E.coli) | Alpha-天冬氨酰二肽酶[大肠杆菌] | 2,000 | E-DIPEP |
Celobiohydrolase I(T.longibrachiatum) | 纤维素二糖水解酶I[长枝木霉] | 20mg | E-CBHI |
Cellulase(endo-1,4-D-Glucanase)(T.longibrachiatum) | 纤维素酶[1,4-D-葡聚糖内切酶[长枝木霉] | 1,000 | E-CELTR |
Cellulase(endo-1,4-D-Glucanase)(T.emersonii) | 纤维素酶[1,4-D-葡聚糖内切酶[Emersonii蓝状菌] | 2,000 | E-CELTE |
Celluase(endo-1,4-D-glucanse)(A.niger) | 纤维素酶[1,4-D-葡聚糖内切酶[黑曲霉] | 2,000 | E-CELAN |
Reccitrate synthase(E.coli) | 柠檬酸合酶[大肠杆菌] | 50 | E-CITEC |
Cytidylate Kinase(Prokaryote) | 胞嘧啶核苷酸激酶[原核生物] | 500 | E-CMPK |
RecDiaphorase(D.coli) | 黄递酶[大肠杆菌] | 1,000 | E-DIAEC |
Formate dehydrogenase(C.boidini) | 甲酸脱氢酶[C.boidini] | 300 | E-FDHCB |
CructanaseMixture(Purified) | 果糖酶混合物[已纯化] | 40ml | E-FRMXLQ |
Fructanase Mixture Powder | 果糖酶混合物 | 40,000 | E-FRMXPD |
endo-1,4-β-D-Galactanase(A.niger) | 1,4-β-D-半乳糖内切酶[黑曲霉] | 1,000 | E-EGALN |
RecGalactose Dehydrogenase(soli prokaryote) | 半乳糖脱氢酶[土壤原核生物] | 200 | E-GALDH |
α-Galactosidase(A.niger) | α半乳糖苷酶[黑曲霉] | 2,000 | E-AGKAN |
α-Galactosidase(G.uar) | α半乳糖苷酶[瓜尔豆] | 600 | E-AGLGU |
β-Galactosidase(A.niger) | β半乳糖苷酶[黑曲霉] | 8,000 | E-BGLAN |
β-Galactosidase(Lactase)(K.fragilis) | β半乳糖苷酶[乳糖酶][脆壁克鲁维酵母] | 4,000 | E-LACTS |
endo-1,3-β-Glucanase(Trichoderma.sp.) | 1,3-β-D葡聚糖内切酶[木霉菌] | 100 | E-LAMSE |
exo-1,3-β-Glucanase(Trichoderma.sp.) | 1,3-D-β-葡聚糖外切酶[木霉菌] | 400 | E-EXBGL |
Gluconokinase(E.coli) | 葡糖酸激酶[大肠杆菌] | 1,500 | E-GLUKEC |
Glucose 6-phosphate dehydrogenase | 葡萄糖6磷酸脱氢酶 | 5,000 | E-GPDH5 |
Glucose 6-phosphate dehydrogenase | 葡萄糖6磷酸脱氢酶 | 25,000 | E-GPDH25 |
a-Glucosidase(Maltase)(yeast) | Alpha葡[萄]糖苷酶[麦芽糖酶][酵母] | 2,000 | E-MALTS |
a-Glucosidase(B.stearothermophilus) | Alpha葡[萄]糖苷酶[嗜热脂肪芽孢杆菌] | 1,500 | E-TSAGL |
a-Glucosidase(Transglucosidase)(A.niger) | Alpha葡[萄]糖苷酶[转葡萄糖苷酶][黑曲霉] | 2,000 | E-TRNGL |
β-Glucosidase(A.niger) | Beta葡[萄]糖苷酶[黑曲霉] | 200 | E-BGLUC |
Recβ-Glucosidase(Agrobacterium sp.) | Beta葡[萄]糖苷酶[农杆菌] | 600 | E-BGISAG |
Recβ-Glucosidase(thermostable)(T.maritima) | Beta葡[萄]糖苷酶[耐热][热海栖热孢菌] | 230 | E-BGOSTM |
Glutamate dehydrogenase(E.coli) | 谷氨酸脱氢酶[大肠杆菌] | 10,000 | E-GLDHEC |
RecGlutamate Oxaloccetate Transaminase(E.coli) | 谷氨酸草酰乙酸转氨酶[大肠杆菌] | 5,000 | E-GOTEC |
Glutamate pyruvate transminase(B.subtilils) | 谷氨酸丙酮酸转氨酶[枯草杆菌] | 2,500 | E-GPTBS |
Glucose Oxidase/catalase Mixture | 葡萄糖氧化酶/催化酶混合物 | 2 vials | E-GOXCA |
Guanylate Kinase(prokayote) | 鸟苷酸激酶[原核生物] | 500 | E-GMPK |
3-Hydrxybutyrate dehydrogenase(prokaryote) | 3-羟丁酸脱氢酶[原核生物] | 200 | E-HBDH |
Hexokinase | 已糖激酶 | 10,000 | E-HEX10 |
Hexokinase | 已糖激酶 | 50,000 | E-HEX50 |
Hexokinase(420U/ml)+G6PDH(210U/ml) | 已糖激酶[420U/ml]+葡萄糖-6-磷酸脱氢酶[210U/ml] | 10ml | E-HKGDH |
RecHaluronate lyase(novel specificity)(soil prokaryote) | 透明质酸[裂解]酶[新品][土壤原核生物] | 50 | E-HYLSP |
endo-Inulinase(A.niger) | 菊粉内切酶[黑曲霉] | 200 | E-ENDOI |
exo-Inulinase(A.niger) | 菊粉外切酶[黑曲霉] | 5000 | E-EXOI |
Invertase(Fructofuranosidase)(yeast) | 蔗糖酶[呋喃果糖苷酶][酵母] | 150000 | E-INVRT |
Isoamylase(Glycogen 6-glucanohydrolase) | 异淀粉酶[糖原6-葡萄糖苷酶] | 500 | E-ISMY |
Isocitrate dehydrogenase (B.subtilis) | 异柠檬酸脱氢酶[枯草杆菌] | 2000 | E-ICDHBS |
Lichenase(endo-1,3(4)-D-Glucanase)(Bacillussp.) | 地衣聚糖酶[1,3(4)-D-葡聚糖内切酶[芽孢杆菌] | 5000 | E-LICHN |
RecD-Malate dehydrogenase(E.coli) | D-苹果酸脱氢酶[大肠杆菌] | 200 | E-DMDHEC |
RecL-Malate dehydrogenase(E.coli) | L-苹果酸脱氢酶[大肠杆菌] | 50000 | E-LMDHEC |
endo-1,4-β-Mannanase(A.niger)) | 1,4-β甘露聚糖内切酶[黑曲霉] | 500 | E-BMANN |
endo-1,4-β-Mannanase(Bacillus sp.) | 1,4-β甘露聚糖内切酶[芽孢杆菌] | 2000 | E-BMABS |
RecMannitol dehydrogenase(P.fluorescens) | 甘露醇脱氢酶[荧光假单胞菌] | 500 | E-MNHPF |
Rec-β-Mannosidase(C.fimi) | β甘露糖苷酶[纤维单胞菌] | 200 | E-BMOSCF |
Pectte Lyase M1(Aspergillus sp.) | 果胶酸裂合酶M1[曲霉属] | 600 | E-PECLY |
RecPectate Lyase M2(C.japonicus) | 果胶酸裂合酶M2[日本龟蜡蚧] | 2500 | E-PLYCJ |
RecPhosphoglucose Isomerse (B.subtillis) | 磷酸葡糖异构酶[枯草杆菌] | 5000 | E-PGIBS |
RecPhosphoglucose Isomerse (B.subtillis) | 磷酸葡糖异构酶[枯草杆菌] | 50000 | E-PGIBSB |
RecPhosphoglucose Isomerse (E.coli) | 磷酸葡糖异构酶[大肠杆菌] | 10000 | E-PGIEC |
RecPhosphoglucose Isomerse (E.coli) | 磷酸葡糖异构酶[大肠杆菌] | 50000 | E-PGIECB |
6-Phosphogluconate dehydrogenase(E.coli) | 6-磷酸葡糖酸脱氢酶[大肠杆菌] | 150 | E-PGDHEC |
RecPhosphoglucose Isomerse (S.cerevisiae) | 磷酸葡糖异构酶[酿酒酵母] | 5000 | E-PGISC |
RecPhosphoglucose Isomerse (S.cerevisiae) | 磷酸葡糖异构酶[酿酒酵母] | 50000 | E-PGISCB |
RecPhosphoglucose Isomerse (E.coli) | 磷酸甘露糖异构酶[大肠杆菌] | 1000 | E-PMIEC |
endo-Polygalacturonanase M1(A.niger) | 聚半乳糖醛酸M1[黑曲霉] | 5000 | E-PGALS |
endo-Polygalacturonanase M2(A.niger) | 聚半乳糖醛酸M2[黑曲霉] | 10000 | E-PGALUSP |
Protease(Subtillisin A)(B.licheniformis) | 蛋白酶[枯草杆菌][对地衣芽孢杆菌] | 2 g(40ml) | E-BSPRT |
Pullulanase M1(K.planticola) | 普鲁兰酶M1[植生克雷伯氏菌] | 2000 | E-PULKP |
Pullulanase M2(B.licheniformis) | 普鲁兰酶M2[对地衣芽孢杆菌] | 2000 | E-PULBL |
Pullulanase M3(B.acidopullulyticus) | 普鲁兰酶M3[嗜酸普鲁兰芽孢杆菌] | 5000 | E-PULBA |
Succinyl-CoA synthetase(prokaryote) | 琥珀酰辅酶A合成酶[原核生物] | 550 | E-SCOAAS |
Sucrase (Maltase)(yeast) | 蔗糖酶[麦芽糖酶][酵母] | 220 | E-SUCR |
Thymidylate Kinase (prokaryote) | 胸苷酸激酶[原核生物] | 150 | E-TMPK |
Xylanase M1(T.viride) | 木聚糖酶M1[绿色木霉菌] | 8000 | E-XYTR1 |
Xylanase M2(T.longibrachiatum;pl 5.5) | 木聚糖酶M2[长枝木霉] | 4000 | E-XYTR2 |
Xylanase M3(T.longibrachiatum;pl 9.0) | 木聚糖酶M3[长枝木霉] | 8000 | E-XYTR3 |
Xylanase M4(A.niger) | 木聚糖酶M4[黑曲霉] | 8000 | E-XYTR4 |
Xylanase M6(rumen microorganism) | 木聚糖酶M6[瘤胃微生物] | 8000 | E-XYRU6 |
Alkaline phosphatase(E.coli) | 碱性磷酸酶(大肠杆菌) | 400 | E-ALPEC |
Glutaminase(E.coli) | 谷氨酰胺酶(大肠杆菌) | 2500 | E-GLUTEC |
Guanylate Kinase(prokayote) | 鸟[嘌呤核]苷酸激酶(原核生物) | 500 | E-GMPK |
3-Hydrxybutyrate dehydrogenase(prokaryote) | 3-羟基苯甲酸酯脱氢酶(原核生物) | 200 | E-HBDH |
myo-Inositol dehydrogenase(B.subtillis) | 肌环己六氢醇脱氢酶(枯草芽孢杆菌) | 500 | E-INDH |
D-Lactate dehydrogenase(L.mesenteroides) | D-乳酸盐脱氢酶(肠膜明串珠菌) | 15000 | E-DLDHLM |
β-Mannanase(T.maritima) | Beta甘露聚糖酶(海栖热袍菌) | 250 | E-BMATM |
Malt Amylase Standard | 麦芽淀粉酶标准液 | 100ml | E-MAST |
L-谷氨酸[谷氨酸盐/谷氨酸酯/味精/谷氨酸单钠]检测试剂盒
L-谷氨酸[谷氨酸盐/谷氨酸酯/味精/谷氨酸单钠]检测试剂盒
1) 英文:L-Glutamic Acid (L-Glutamate/MSG) Assay Kit;
2) 中文:L-谷氨酸[谷氨酸盐/谷氨酸酯/味精/谷氨酸单钠]检测试剂盒;
3) 规格: 60;
4) 货号:K-GLUT
Suitable for manual, auto-analyser and microplate formats.
Colourimetric method for the determination of L-Glutamic Acid
(Monosodium Glutamate; MSG) in foodstuffs and other materials
Principle:
(beef liver glutamate dehydrogenase)
(1) L-Glutamic acid + NAD+ + H2O ↔ 2-oxoglutarate + NADH + NH4+
(diaphorase)
(2) INT + NADH + H+ → NAD+ + INT-formazan
Kit size: 60 assays (manual) / 600 (microplate)
/ 700 (auto-analyser)
Method: Spectrophotometric at 492 nm
Reaction time: ~ 9 min
Detection limit: 0.21 mg/L
Application examples:
Fruit and vegetables (e.g. tomato), processed fruit and vegetables
(e.g. tomato puree / juice, ketchup, soy sauce), condiments, processed
meat products (e.g. extracts, bouillon and sausages), soup, pharmaceuticals
and other materials (e.g. biological cultures, samples, etc.)
Method recognition:
Methods based on this principle have been accepted by ISO, GOST
and NMKL
Advantages
- Very competitive price (cost per test)
- All reagents stable for > 2 years after preparation
- Glutamate dehydrogenase solution stable at -20°C
- No wasted diaphorase solution (stable suspension supplied)
- Rapid reaction
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included
- Suitable for manual, microplate and auto-analyser formats
L-苹果酸检测试剂盒
L-苹果酸检测试剂盒L-Malic Acid Assay Kit (Manual Format)
产品货号: K-LMALL
产品品名: L- 苹果酸检测试剂盒(大)
英文品名: L-Malic Acid Assay Kit (Large)
规格型号: 116 assays
原理:
反应时间: 3min
检测限: 0.25 mg/L,
适用样品: 饮料和食品以及其他原料
优点:
l 成本低
l 使用期间所有试剂的稳定性 >2 年
l 操作简单
l 包含标准品
REFERENCES:
- Mollering, H. (1985). L-Malate. In Methods of Enzymatic Analysis (Bergmeyer, H. U., ed.), 3rd ed., Vol. VII, pp. 39-47, VCH Publishers (UK) Ltd., Cambridge, UK.
- AOAC Official Methods of Analysis (2002). Method 993.05 “L-Malic acid/total malic acid ratio in apple juice”. 17th ed. Chapter 37, p. 15.
- Gorin, N. (1976). Differences in L-malate determined enzymatically or titrimetrically in golden delicious apples. Zeitschrift fur Lebensmittel-Unterschung und-Forschung, 162, 259-261.
- Klopper, W. J., Angelino, S. A. G. F., Tuning, B. & Vermeire, H. A. (1986). Organic acids and glycerol in beer. J. Inst. Brew. 92, 225-228.
- Elkins, E. R. & Freund, W. (1994). Detection of adulteration in apple juice by L-malic/total malic acid ratio: Collaborative Study. J. AOAC Int . 77, 411-415.
Manual format UV-method for the determination of L-Malic Acid in foodstuffs, beverages and other materials
Principle:
(L-malate dehydrogenase)
(1) L-Malic acid + NAD+ ↔ oxaloacetate + NADH + H+
(glutamate-oxaloacetate transaminase)
(2) Oxaloacetate + L-glutamate → L-aspartate + 2-oxoglutarate
Kit size: (K-LMALR)
58 assays (manual) / 580 (microplate) or
(K-LMALL)
116 assays (manual) / 1160 (microplate)
Method: Spectrophotometric at 340 nm
Reaction time: ~ 3 min
Detection limit: 0.25 mg/L
Application examples:
Wine, beer, fruit juices, soft drinks, candies, fruit and vegetables,
bread, cosmetics, pharmaceuticals and other materials (e.g. biological
cultures, samples, etc.)
Method recognition:
Methods based on this principle have been accepted by AOAC, EEC,
EN, NF, NEN, DIN, GOST, OIV, IFU, AIJN and MEBAK
Advantages
- PVP incorporated to prevent tannin inhibition
- Both enzymes supplied as stable suspensions
- Very competitive price (cost per test)
- All reagents stable for > 2 years after preparation
- Very rapid reaction (~ 3 min)
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included
- Extended cofactors stability
- Suitable for manual and microplate format
内切纤维素酶检测试剂盒
内切纤维素酶检测试剂盒
英文名:Cellulase Assay Kit (CELLG3 Method)
货号:K-CELLG3
规格:180 / 360 assays per kit / 720 (auto-analyser)
市场价: 5537元
提供内切纤维素酶检测试剂盒,色度法(400 nm)测定酶制品和发酵产品中的纤维素酶(内切-1,4-β-葡聚糖酶)。
内切纤维素酶检测试剂盒(CELLG3方法) K-CELLG3
使用高纯度β-葡萄糖苷酶和苯亚甲基阻断,2 – 氯-4 – 硝基苯基-β-Dcellotrioside(BClPNPβ-G3)。 β-葡萄糖苷酶的能力确保测定的可靠的最大的灵敏度。BClPNPβ-G3的水解为苯亚甲基,通过纤维素酶阻断纤维二糖和2-氯-4 -硝基苯基-β-D-葡萄糖, 2-Cl-4-硝基苯基-β-D-葡萄糖通过β-葡萄糖苷酶立即裂解为D-葡萄糖和游离的2 – 氯-4 – 硝基苯酚(ClPNP)。
反应时间:16min
适用样品:酶制品和发酵产品
优点:
价格低廉(每次检测成本)
特异性高
方法简单
包含标准品
The CELLG3 assay reagent for the measurement of endo-cellulase (endo-1,4-β-glucanase) contains two components;
endo-1,4-β-glucanase (cellulase) in enzyme preparations and fermentationproducts
Principle:
(endo-1,4-β-glucanase)
(1) 3-Ketobutylidene-G5-β-PNP + H2O → Blocked-GX + G(5-X)-β-PNP
(thermostable β-glucosidase)
(2) G(5-X)-β-PNP + H2O → D-glucose + PNP
(alkaline solution)
(3) PNP → phenolate ion (yellow colour)
Note: PNP = 4-nitrophenol
K-CELLG5-4V 120 / 240 assays (manual) / 480 (auto-analyser)
or
K-CELLG5-2V 60 / 120 assays (manual) / 240 (auto-analyser)
Method: Spectrophotometric at 400 nm
Total assay time: 10 min
Detection limit: 3.5 x 10-4 U/mL
Application examples:
Fermentation broths, industrial enzyme preparations, biofuels research
Method recognition: Novel method
淀粉损失检测试剂盒
淀粉损失检测试剂盒,Starch Damage Assay Kit
英文名:Starch Damage Assay Kit
中文品名:淀粉损伤检测试剂盒
货号:K-SDAM
规格:200 assays per kit,200 次检测
应用:淀粉损伤检测试剂盒,用于谷物面粉中淀粉损伤的检测和分析。
![淀粉损伤检测试剂盒 (K-SDAM)检测原理 淀粉损伤检测试剂盒 (K-SDAM)检测原理](http://www.seebio.cn/UploadFiles/FCK/2017-03/20170301T48L8LVBJV.png)
Bottle 1: | 真菌α-淀粉酶(pH5.4和40°C条件下,10 mL, 1,000 U/mL on Ceralpha reagent* )。硫酸铵悬浮液。 |
4°C下稳定超过 3年 | |
Bottle 2: | 淀粉葡萄糖苷酶(pH 4.5 和40°C条件下,4 mL, 200 U/mL 在可溶性淀粉中)。硫酸铵悬浮液。 |
4°C稳定超过3年 | |
Bottle 3: | GOPOD 试剂缓冲液。缓冲液(50 mL, pH7.4), 对羟基苯甲酸和叠氮钠(0.095% w/v). |
4°C稳定超过4年 | |
Bottle 4: | GOPOD 试剂酶。葡萄糖氧化酶,过氧化酶和4-氨基安替比林。冻干粉。 |
-20°C稳定超过5年 | |
Bottle 5: | D-葡萄糖标准溶液(5 mL, 1.5 mg/mL) 溶于0.2% (w/v)苯甲酸。 |
室温下稳定超过5年 | |
Bottle 6: | 小麦面粉标样。淀粉损伤程度在小瓶标签上注明。 |
室温下稳定超过5年 |
Megazyme 淀粉损伤检测试剂盒(K-SDAM)
![淀粉损伤检测试剂盒 (K-SDAM)检测原理 淀粉损伤检测试剂盒 (K-SDAM)检测原理](http://www.seebio.cn/UploadFiles/FCK/2017-03/20170301T48L8LVBJV.png)
Bottle 1: | 真菌α-淀粉酶(pH5.4和40°C条件下,10 mL, 1,000 U/mL on Ceralpha reagent* )。硫酸铵悬浮液。 |
4°C下稳定超过 3年 | |
Bottle 2: | 淀粉葡萄糖苷酶(pH 4.5 和40°C条件下,4 mL, 200 U/mL 在可溶性淀粉中)。硫酸铵悬浮液。 |
4°C稳定超过3年 | |
Bottle 3: | GOPOD 试剂缓冲液。缓冲液(50 mL, pH7.4), 对羟基苯甲酸和叠氮钠(0.095% w/v). |
4°C稳定超过4年 | |
Bottle 4: | GOPOD 试剂酶。葡萄糖氧化酶,过氧化酶和4-氨基安替比林。冻干粉。 |
-20°C稳定超过5年 | |
Bottle 5: | D-葡萄糖标准溶液(5 mL, 1.5 mg/mL) 溶于0.2% (w/v)苯甲酸。 |
室温下稳定超过5年 | |
Bottle 6: | 小麦面粉标样。淀粉损伤程度在小瓶标签上注明。 |
室温下稳定超过5年 |
所有试剂制备后可以稳定保存超过2年
仅提供酶法检测试剂盒
特异性
操作简单
官网提供Mega-Calc™ 软件工具用于一站式原始数据处理
包含标准品
Colourimetric method for the determination of Starch Damage
in cereal flours
Principle:
(fungal α-amylase)
(1) Damaged (or gelatinised) starch + H2O → maltodextrins
(amyloglucosidase)
(2) Maltodextrins + H2O → D-glucose
(glucose oxidase)
(3) D-Glucose + H2O + O2 → D-gluconate + H2O2
(peroxidase)
(4) 2H2O2 + p-hydroxybenzoic acid + 4-aminoantipyrine →
quinoneimine + 4H2O
Kit size: 200 assays
Method: Spectrophotometric at 510 nm
Total assay time: ~ 40 min
Detection limit: 0.5-100% of sample weight
Application examples:
Cereal flours and other materials
Method recognition:
AACC (Method 76-31.01), ICC (Standard No. 164), and RACI (Standard
Method)
Advantages
- Very cost effective
- All reagents stable for > 2 years after preparation
- Only enzymatic kit available
- Very specific
- Simple format
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included