Application of Smartongue electronic tongue in dairy products

Shanghai Ruiqi Intelligent Technology Co., Ltd. shares with you the application of Smartongue electronic tongue in dairy products. For more information, please pay attention to the WeChat public account: isenso17.

1.

Fig.1 Principal component analysis of 6 antibiotic-milk powder solutions of the same mass concentration (500μg/L)

The antibiotic residue in the milk powder was detected by the Smartongue electronic tongue, and it was concluded that the milk powder solution without antibiotics and the milk powder solution with antibiotic added can be well distinguished on the principal component map. Moreover, different types of antibiotics are far apart from each other, and the difference is greater. The difference between neomycin and other antibiotics is the biggest, the difference between lincomycin and spectinomycin is small, and the difference between chlortetracycline and spectinomycin is large.

2.

Figure 2 LDA distinguishing diagram of Milkongue electronic tongue for milk and goat milk and mixed milk

The Smartongue electronic tongue is used for the detection of doping adulteration in dairy products. It is concluded that the milk goat milk mixture can be well distinguished from milk and goat milk, and there is only a small overlap between milk and goat milk. It shows that the Smartongue electronic tongue has a good detection ability for doped adulterated dairy products.

3.

Figure 3 Principal component analysis of pure milk and 5 different forms of adulterated milk

Through the rapid detection of Smartongue electronic tongue in adulterated milk, it is concluded that various milk samples are distributed in their respective regions. In addition, the pure milk and water-mixed milk, mixed with external fat milk and sugar-doped milk are relatively close, indicating that the difference between them is relatively small. Principal component analysis showed that Smartongue electronic tongue can be used for rapid detection of adulterated milk.

4.

Figure 4 Principal component analysis of different brands of UHT sterilized milk

Through the application of Smartongue in the quality characteristics and freshness evaluation of dairy products, it can be concluded that the milk can be completely distinguished. Although the Smartongue electronic tongue can not give the quality characteristics of various milk, it can objectively reflect various milk. Subtle differences between quality characteristics and brand characteristics.

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