The requirements for food packaging to Vacuum Zipper Bag.smart food Snack food bag

　　1. Internal requirements: The inherent requirements of food packaging refer to the technical requirements for food and quantity and quantity in the packaging through packaging.

　　Strength requirements: Refers to the packaging that can protect the packaged foods that resist the various destructive power of the outside world during storage, stacking, transportation, and transportation, such as pressure, impact force and vibration. There are many relevant factors that require food packaging intensity, including transportation methods (such as cars, airplanes), stacking forms (such as multi -layer stacking, cross -stacked) and environment (such as climate and sanitary environment).

　　Objection requirements: Objection is one of the important properties of food packaging. Many foods are storage and packaging. Due to poor obstruction, the flavor and quality of food changes, affecting the quality of food. The obstruction requirements are determined by the characteristics of the food itself. The blocking substances include air, water, oil, light, microorganisms, and so on.

　　Respiratory requirements: Some foods such as fresh fruits and vegetables, etc., still maintain breathing function during the packaging and storage process. Therefore, such packaging materials or containers are breathable or can control breathing effects to achieve the purpose of preservation.

　　Nutritional requirements: During the packaging and storage process, food will gradually lose nutrition. Therefore, the packaging of food should be conducive to the preservation of food nutrition, and more ideal is to lock nutrition by packaging. Other requirements: There are many inherent requirements for food packaging, such as heat resistance requirements, lighting requirements, anti -fragmented requirements, moisturizing requirements, etc.

　　2. External requirements: The external requirements of food packaging are the use of packaging to reflect the characteristics, performance, and image of food. It is the external image and expression and means of food.

　　Safety requirements: The safety of food packaging includes hygiene safety, handling safety and use safety. Sanitary safety refers to food packaging materials that should not contain harmful substances to the human body; in terms of packaging technology, the treatment of foods that are treated in nutrients, color, and taste will remain as unchanged as possible. Moving safety means that packaging can ensure the safety of safety during transportation and loading, and it should also include consumers to extract and carry the safety after shopping. Safety use is to ensure that consumers will not be harmed during the opening and consumption process.

　　Promotional requirements: Food packaging is one of the means of food promotion. The performance, characteristics, edible methods, nutritional ingredients, and cultural connotations of food can be promoted on the packaging. The promotionality of food packaging includes: necessary information promotion, image promotion, color promotion, structural promotion, etc.

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