蔗糖/D-果糖/D-葡萄糖检测试剂盒 Sucrose/Fructose/D-Glucose Assay Kit
分类目录归档:Megazyme
一级氨基氮[NOPA]检测试剂盒
一级氨基氮[NOPA]检测试剂盒 Primary Amino Nitrogen Assay Kit (PANOPA)
名称:一级氨基氮[NOPA]检测试剂盒
英文名:Primary Amino Nitrogen(NOPA) Assay Kit
规格:100次
产地:爱尔兰
Primary Amino Nitrogen (PANOPA)
For the assay of primary amino nitrogen in grape juice/must and wine.
Catalogue Number: K-PANOPA
Content: 100 assays per kit
英文名:Primary Amino Nitrogen(NOPA) Assay Kit
规格:100次
产地:爱尔兰
Primary Amino Nitrogen (PANOPA)
For the assay of primary amino nitrogen in grape juice/must and wine.
Catalogue Number: K-PANOPA
Content: 100 assays per kit
商品说明:
The Primary Amino Nitrogen (PANOPA) Assay Kit is suitable for the measurement and analysis of primary amino nitrogen in grape juice/must and wine.
Suitable for manual, auto-analyser and microplate formats.
UV-method for the determination of Primary Amino Nitrogen in
grape juice, must, wine and other materials
Principle:
(room temperature)
(1) Amino nitrogen + N-acetyl-L-cysteine + o-phthaldialdehyde →
isoindole derivative
Kit size: 100 assays (manual) / 1000 (microplate)
/ 1100 (autoanalyser)
Method: Spectrophotometric at 340 nm
Reaction time: ~ 15 min
Detection limit: 2.59 mg N/L
Application examples:
Grape juice, must, wine and other materials
Method recognition: Novel method
Advantages
Suitable for manual, auto-analyser and microplate formats.
UV-method for the determination of Primary Amino Nitrogen in
grape juice, must, wine and other materials
Principle:
(room temperature)
(1) Amino nitrogen + N-acetyl-L-cysteine + o-phthaldialdehyde →
isoindole derivative
Kit size: 100 assays (manual) / 1000 (microplate)
/ 1100 (autoanalyser)
Method: Spectrophotometric at 340 nm
Reaction time: ~ 15 min
Detection limit: 2.59 mg N/L
Application examples:
Grape juice, must, wine and other materials
Method recognition: Novel method
Advantages
- Simple format (absorbances read at 340 nm)
- 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
- Suitable for manual, microplate and auto-analyser formats
Beta葡聚糖酶[麦芽和微生物]检测试剂盒
Beta葡聚糖酶[麦芽和微生物]检测试剂盒 β-Glucanase Assay Kit (Malt and Microbial)
1) 英文:Beta-Glucanase (Malt & Microbial) Assay Kit;
2) 中文:Beta葡聚糖酶[麦芽和微生物]检测试剂盒;
3) 规格: 100; 4) 货号:K-MBGL
商品说明:
β-Glucanase (Malt and Microbial) Assay Kit is suitable for the measurement and analysis of malt and bacterial β-glucanase and endo-1,4-β-glucanase.
Colourimetric method for the determination of β-Glucanase
in malt, foodstuffs and fermentation products
Principle:
(β-glucanase)
(1) Azo-Barley β-glucan (polymer) → Azo-barley β-glucan
(fragments)
(2) Add alcohol; centrifuge to remove polymeric Azo-barley
β-glucan
(3) Measure the absorbance of the supernatant solution
Kit size: 100 assays
Method: Spectrophotometric at 590 nm
Reaction time: ~ 30 min
Detection limit: 100 U/kg of malt
Application examples:
Malt extracts, wort, beer and other materials
Method recognition:
RACI (Standard Method)
Advantages
Colourimetric method for the determination of β-Glucanase
in malt, foodstuffs and fermentation products
Principle:
(β-glucanase)
(1) Azo-Barley β-glucan (polymer) → Azo-barley β-glucan
(fragments)
(2) Add alcohol; centrifuge to remove polymeric Azo-barley
β-glucan
(3) Measure the absorbance of the supernatant solution
Kit size: 100 assays
Method: Spectrophotometric at 590 nm
Reaction time: ~ 30 min
Detection limit: 100 U/kg of malt
Application examples:
Malt extracts, wort, beer and other materials
Method recognition:
RACI (Standard Method)
Advantages
- Very cost effective
- All reagents stable for > 2 years during use
- Only kit available
- Very specific
- Simple format
- Standard included