天门冬酰苯丙氨酸甲酯/甜味剂/阿斯巴甜[糖精]检测试剂盒

The Aspartame test kit is a simple and reliable method for the specific measurement and analysis of Aspartame in beverages and foodstuffs.

Suitable for manual, auto-analyser and microplate formats.

UV-method for the determination of Aspartame (and breakdown 
products) in foodstuffs, beverages and other materials

Principle:
                       (pH 12.5)
(1) Asp-Phe-O-Me → Asp-Phe + MeOH

                      (dipeptidase M)
(2) Asp-Phe + H₂O → L-aspartate + L-phenylalanine

                      (glutamate-oxaloacetate transaminase)
(3) L-Aspartate + 2-oxoglutarate → L-glutamate + oxaloacetate

                                 (L-malate dehydrogenase)
(4) Oxaloacetate + NADH + H⁺ → L-malate + NAD⁺

Kit size:                            50 assays (manual) / 500 (microplate) 
                                         / 500 (auto-analyser)
Method:                            Spectrophotometric at 340 nm
Reaction time:                  ~ 5 min
Detection limit:                 0.57 mg/L
Application examples: 
Soft drinks, artificial sweeteners, candies, mints, chewing gum, dietetic
products, jam, chocolate and other materials
Method recognition:      Novel method 

Advantages

• Very cost effective
   
• All reagents stable for > 12 months after preparation
   
• Only enzymatic kit available
   
• Measures aspartame and breakdown products (L-aspartate and aspartame acid)
   
• Very specific
   
• Very 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