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D-Lactic Acid Quick Test Strips

产品编号:4117692
规格:Sufficient for 10 tests
包装规格:1 KIT
产品类别:进口试剂
品牌:Sigma-Aldrich
优惠价:立即咨询
产品价格
产品编号包装单位单价(元)国内现货国外库存询价单
41176921 KIT1081
产品性质
application(s)
food and beverages
storage temp.【储存温度】
2-8℃
suitability【适用性】
This kit is suitable for the detection of D-lactic acid in a variety of food and beverage samples.
基本信息
General description【一般描述】
Lactic acid, or lactate, is generated by lactic acid dehydrogenase (LDH) under hypoxic or anaerobic conditions. D-lactic acid is produced in only minor quantities in animals and measuring for D-lactic acid in animal samples is a means to determine the presence of bacterial infection. Furthermore, since D-lactic acid is a specific indicator of bacteria fermentation, its measurement can be used to determine the freshness of milk, meat and fruit juices. Elevated levels of D-lactic acid in wine is an indication of lactic acid bacteria contamination.
Features and Benefits【特点和优势】
  • Fast and sensitive. Use of 20 or 100 μL sample. Semi-quantitative measurement between 0-180 mg/L (undiluted) D-lactic acid.
  • Sample treatment and assay can be performed in under 15 minutes.
Principle【原理】
The D-Lactic Acid Quick Test Strips are based on D-lactic acid dehydrogenase catalyzed oxidation of D-lactic acid in which the formed NADH reduces a chromogenic reagent. The intensity of product color is directly proportional to D-lactic acid concentration in the sample.
安全信息
Storage Class Code【储存分类代码】
10 - Combustible liquids
WGK
WGK 2
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