L-精氨酸/尿素/氨检测试剂盒[快速]

L-精氨酸/尿素/氨检测试剂盒[快速] L-Arginine/Urea/Ammonia (Rapid)
产品货号:K-LARGE
品牌:进口
中文名:L-精氨酸/尿素/氨[快速]检测试剂盒
英文名:Integrated Total Dietary Fibre Assay Kit
规格:150 assays

商品说明:
For the specific and rapid assay of L-arginine, urea and ammonia in grape juice/must and wine. Content:150 assays – 50 of each component
UV-method for the determination of L-Arginine, Urea and Ammonia 
in grape juice, must and wine

Principle:
                            (microbial glutamate dehydrogenase)
(1) 2-Oxoglutarate + NADPH + NH4+ → L-glutamic acid + NADP+ + 
H2O
                     (urease)
(2) Urea + H2O → 2 NH3 + CO2
(arginase)
(3) L-Arginine + H2O → urea + ornithine

Kit size:                             50 assays
Method:                              Spectrophotometric at 340 nm
Reaction time:                    ~ 20 min [ammonia (2 min), urea (6 min),
L-arginine (7 min)] Detection limit:                  0.07 mg/L (ammonia)
0.13 mg/L (urea)
0.37 mg/L (L-arginine)
Application examples:
Grape juice, wine must, wine and other materials (e.g. biological
cultures, samples, etc.)
Method recognition:          Improved method
Advantages

  • Improved assay format
  • Very rapid reactions due to use of uninhibited glutamate dehydrogenase
  • All enzymes supplied as stabilised suspensions
  • Very competitive price (cost per test)
  • All reagents stable for > 2 years after preparation
  • Mega-Calc™ software tool is available from our website for hassle-free raw data processing
  • Standard included
  • Extended cofactors stability

索取产品说明书请联系:18301939375  QQ:3259632176

Beta葡聚糖[酵母和蘑菇]检测试剂盒

Beta葡聚糖[酵母和蘑菇]检测试剂盒 β-Glucan Assay Kit (Yeast & Mushroom)

产品名称:Beta葡聚糖[酵母和蘑菇]检测试剂盒

英文名称:Mushroom and yeast beta-glucan assay Kit

货号: K-YBGL

型号规格:100次

优点:成本低;所有试剂配制后的稳定性〉2年;只有酶试剂盒可用;;方法简单;包含标准品

检测原理:

检测方法:比色法

检测波长:510nm;

总检测时间:100min;

检测限:样品重量的1-100%;

适用样品:酵母制备、蘑菇制备及其他原料;

方法认证:新方法

商品说明:
For the measurement of 1,3:1,6-ß-glucan and α-glucan in yeast preparations. Content: 100 assays per kit
Colourimetric method for the determination of Yeast and 
Mushroom β-Glucan in yeast, mushroom, foodstuffs and 
other materials

Principle:
(conc. HCl, 30°C, 45 min)
(1) 1,3:1,6-β-Glucan + 1,3-β-glucan + α-glucan + H2O → 
soluble glucan

(1.3 M HCl, 100°C, 2 h)
(2) Soluble glucan + H2O → D-glucose + laminarisaccharides (trace)
(exo-1,3-β-glucanase + β-glucosidase)
(3) Laminarisaccharides + H2O → D-glucose
(glucose oxidase)
(4) D-Glucose + H2O + O2 → D-gluconate + H2O2
(peroxidase)
(5) 2H2O2 + p-hydroxybenzoic acid + 4-aminoantipyrine → 
 quinoneimine + 4H2O
(amyloglucosidase)
(6) α-Glucan + H2O    →    D-glucose
Kit size:                            100 assays
Method:                            Spectrophotometric at 510 nm
Total assay time:              ~ 100 min
Detection limit:                 1-100% of sample weight
Application examples:
Yeast preparations, mushroom preparations and other materials
Method recognition:        Novel method
Advantages

  • Very cost effective
  • All reagents stable for > 12 months after preparation
  • Only enzymatic kit available
  • Simple format
  • Mega-Calc™ software tool is available from our website for hassle-free raw data processing
  • Standard included