阿斯巴甜检测试剂盒 英文名称: Aspartame Assay Kit |
型号:null 产品货号: K-ASPTM |
价格:请致电:010-57128832,18610462672 |
品牌: 爱尔兰 |
品牌: Megazyme 产品货号:K-ASPTM 品牌:Megazyme 产品品名:阿斯巴甜检测试剂盒 英文品名:Aspartame Assay Kit 规格型号: 50 assays (manual) / 500 assays (microplate) / 500 assays (auto-analyser) A simple and reliable method for the specific determination ofaspartame in beverages and foodstuffs. INTRODUCTION: Aspartame is a dipeptide sweetener comprising L-aspartate and methyl esterified L-phenylalanine (Asp-Phe-O-Me). At 200 times the sweetness of sucrose, and with a structure similar to dipeptides found in a normal diet, its use in low calorie carbonated drinks and other foodstuffs has been widely accepted since the early 1980s. However, due to its L-phenylalanine content, consumption of this compound must be strictly monitored by those suffering from phenylketonuria. There is also a significant level of concern voiced by some who believe this sweetener poses serious health problems relating to the three components, L-aspartic acid, L-phenylalanine and methanol, though there is, as yet, no evidence to support such claims. KITS: Kits suitable for performing 50 assays in manual format (or 500 assays in auto-analyser format or 500 assays in microplate format) are available from Megazyme. The kits contain the full assay method plus: Bottle 1: Buffer (12 mL, pH 8.0) plus 2-oxoglutarate and sodium azide (0.02% w/v) as a preservative. Stable for > 2 years at 4°C. Bottle 2: (x2) NADH plus stabiliser. Stable for > 5 years at -20°C. Bottle 3: L-Malate dehydrogenase plus glutamate-oxaloacetate transaminase suspension (1.1 mL). Stable for > 2 years at 4°C. Bottle 4: Peptidase M suspension (1.1 mL). Stable for > 2 years at 4°C. Bottle 5: Aspartame control powder (~ 1 g, ~ 2.5% w/w aspartame on an “as is” basis. The exact concentration of aspartame is given on the vial label). Stable for > 5 years when stored dry at 4°C. 温馨提示:需要详细的产品使用说明书,请联系甄准生物客服人员,我们将竭诚为您服务。 甄准,甄心倾听您每一个标准! |