### Application and Importance of Food Spray Code

In modern food production and management, as a key non-contact identification means, food code technology is increasingly valued and widely used by the industry. It not only improves the information level of food packaging, but also plays an inestimable role in ensuring food safety, tracing the source, anti-counterfeiting and anti-channeling, and enhancing brand image. This paper will elaborate the definition, application field, importance and future development trend of food spray code.

#### Definition of 1. food spray code

Food spray code, in short, refers to the process of using inkjet printer to directly print text, numbers, patterns or bar codes, two-dimensional codes and other information on food packaging. These printed information can include production date, shelf life, batch number, manufacturer logo, nutrition composition table, anti-counterfeiting code, etc., which is an important part of food traceability system. With the progress of science and technology, food spray code technology has developed from the traditional ink spray code to the coexistence of laser spray code, UV spray code, thermal transfer and other technologies to meet different food packaging materials and environmental requirements.

#### Application fields of 2. food code spraying

1. **Production date and shelf life labeling**: The most basic and core application of food spray coding is to label the production date and shelf life of the product. This is an important basis for consumers to judge the freshness of food and is also a mandatory requirement of laws and regulations.

2. * * Batch management * *: By printing batch numbers, enterprises can accurately track the production, storage, transportation and sales of each batch of products, so as to facilitate rapid recall and reduce losses when problems occur.

3. * * Anti-counterfeiting and anti-channeling * *: Printing unique anti-counterfeiting codes or traceability codes on the packaging can effectively crack down on fake and inferior products, prevent commodities from fleeing goods across regions, and maintain market order and brand image.

4. **Nutritional information and ingredient description**: For foods that need to be labeled with nutritional ingredients in detail, coding technology can flexibly add this information on the packaging to meet the needs of consumers for a healthy diet.

5. * * Promotional Information and Brand Promotion * *: In a specific period, enterprises can also use code-spraying technology to add promotional information or brand logo on the packaging to enhance product attractiveness and promote sales.

#### The Importance of 3. Food Spraying

1. **Ensure food safety**: Clear and accurate spray code information provides consumers with an important reference for purchasing and using food, and helps reduce health risks caused by expired food or eating substandard products by mistake.

2. **Improve regulatory efficiency**: For regulators, food coding is a key means to achieve full traceability and rapid response to food safety incidents, which can significantly improve regulatory efficiency and accuracy.

3. * * Enhance the competitiveness of enterprises * *: good spray code management reflects the standardized operation of enterprises and the attitude of being responsible to consumers, which helps to enhance the brand image and enhance the trust of consumers, so as to stand out in the fierce market competition.

4. **Promote environmental protection and sustainable development**: With the increase of environmental awareness, more and more companies choose to use environmentally friendly spray coding materials and technologies to reduce the impact on the environment and meet the requirements of sustainable development.

#### Future Development Trend of 4.

1. **Intelligence and Automation**: With the integration and application of technologies such as the Internet of Things, big data, and artificial intelligence, food coding will be more intelligent and automated, achieving seamless docking with production lines and improving production efficiency.

2. **High-definition and diversification**: The continuous advancement of inkjet coding technology will make inkjet printing content clearer and more delicate, while supporting more diverse fonts, patterns and dynamic effects to meet personalized customization needs.

3. **Environmental protection materials and energy-saving technology**: Environmental protection will become an important development direction of the food spray code industry, the use of biodegradable, non-toxic spray code

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