There are many kinds of additives in food, including antioxidants, bleaching agents, leavening agents, coloring agents, preservatives, sweeteners, thickeners, spices, etc., which are mainly used to improve food quality and color, aroma, taste, and antiseptic , Preservation, etc. Long-term or large-scale consumption of food with illegal additives exceeding the standard can cause harm to human health. Meizheng Bio has a complete range of products to meet the testing needs of prohibited additions in food.
Colloidal Gold Rapid Test Card
1. Product introduction
Mezheng’s prohibited additive-type colloidal gold rapid test card products are suitable for on-site rapid testing, covering items including Melamine, Malachite Green, Papaverine, Morphine, Codeine, Sudan Red, Rhodamine B, Capsaicin, etc.
2. Product Features
① Convenient and fast
❖ Simple pre-processing operation, fast detection speed, and short time-consuming
❖ It only takes 5-10 minutes to test a single sample
② The result is accurate
❖ High sensitivity, false positive rate of test results <5%
❖ False negative rate is 0
③ Convenient interpretation
❖ The result can be directly visually inspected, or it can be used in conjunction with a reader to connect to the data platform system
3. Product Principle
In the detection process of this product, the principle of competitive immunochromatography is applied. In the chromatography process, the test substance in the test solution is combined with the gold-labeled antibody, which inhibits the gold-labeled antibody and the competing antigen on the nitrocellulose membrane (T line) The combination of, thereby affecting the color rendering of the T line.
4. Applicable samples
Food, dairy products, feed, aquatic products, Chinese medicinal materials
Physical and Chemical Reagents
1. Product introduction
Meizheng Physicochemical reagent products are widely used, and the test items cover Formaldehyde, White Block, Nitrite, Sulfur Dioxide, Sodium Thiocyanate, Leather Hydrolyzed Protein, Hydrogen Peroxide, Borax, Potassium Aluminum Sulfate, Methanol, Benzoyl Peroxide, Sodium Benzoate , Potassium Sorbate, Lemon Yellow, Carmine, Brilliant Blue, etc., combined with the detection equipment produced by Meizheng can achieve quantitative detection.
2. Product Features
① Easy to operate
❖ Simple pre-treatment operation, no organic reagents, strong acids, strong alkalis, etc., green and environmentally friendly
② The result is accurate
❖ The detection limit meets the requirements of the national standard
③ Wide range of use
❖ Government supervision, university canteens, fresh food circulation, catering distribution, testing institutions, dairy industry, feed industry, medicinal materials, etc.
3. Product Principle
This product utilizes the reaction between the target substance to be detected and the detection reagent to generate a compound with a specific color. The depth of the color is linearly related to the content of the target substance to be detected. The concentration in the sample corresponding to its absorbance can be measured by the detection instrument.
4. Applicable samples
Food, dairy products, feed, seafood and medicinal materials.
