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The characteristics of the iron box

The characteristics of the iron box

(Summary description)In addition to causing the deterioration of food, light can also cause changes in proteins and amino acids. And vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large loss.

The characteristics of the iron box

(Summary description)In addition to causing the deterioration of food, light can also cause changes in proteins and amino acids. And vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large loss.

Opacity
In addition to causing the deterioration of food, light can also cause changes in proteins and amino acids. And vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large loss. According to research and analysis, the loss of vitamin C of milk in transparent glass bottles is 14 times higher than that of milk in dark bottles. Light will also cause milk to produce oxidative odor, and the cracking of radionuclides and methionine will lead to loss of nutritional value. The opaqueness of the tinplate allows the highest retention rate of vitamin C.
good sealing
The barrier properties of packaging containers to air and other volatile gases are very important for the preservation of nutritional content and sensory quality. Comparison of various juice packaging containers proves that the oxygen transmission rate of the container directly affects the browning of the juice and the preservation of vitamin C; the preservation of vitamin C in metal cans, glass bottles and aluminum foil glued layers and cartons with low oxygen transmission rate Better, among them, tin cans are the best.
reduction of tin
The tin on the inner wall of the tinplate will interact with the oxygen remaining in the container during filling, reducing the chance of the food ingredients being oxidized. The reduction effect of tin has a good preservation effect on the flavor and color of light-colored fruits and juices. Therefore, the juice cans packed in unpainted iron cans have better nutritional preservation and slight browning than those packed with other packaging materials. The acceptance of the flavor quality is better, and the shelf life is thus extended.

Related news

Classification of tin cans

Aerosol cans --- Aerosol cans are divided into aluminum cans and iron cans. According to the shape, it is divided into 1. Straight-sided can; aerosol cans with constant top and bottom diameters of the can. 2. The necked-in can is a one-time-use metal container with a reduced diameter at the top and/or bottom of the necked-in can body used for holding aerosol products. When in use, the aerosol product is sprayed out according to the controlled form through the valve under the action of pre-pressure. The main products are: air fresheners, car care products, spray paint, insecticides and so on.
2022-06-30

The characteristics of the iron box

In addition to causing the deterioration of food, light can also cause changes in proteins and amino acids. And vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large loss.
2022-06-30

Introduction of raw materials

Aerosol cans --- Aerosol cans are divided into aluminum cans and iron cans. According to the shape, it is divided into 1. Straight-sided can; aerosol cans with constant top and bottom diameters of the can. 2. The necked-in can is a one-time-use metal container with a reduced diameter at the top and/or bottom of the necked-in can body used for holding aerosol products. When in use, the aerosol product is sprayed out according to the controlled form through the valve under the action of pre-pressure. The main products are: air fresheners, car care products, spray paint, insecticides and so on.
2022-06-30

Tin can structure

Aerosol cans, chemical cans, milk powder cans, and beverage cans are all welded cans, and the state has formulated relevant product standards for the products. The principle used is that the material to be welded is pressed by a pair of rotating upper and lower welding wheels with a certain amount of overlap, and through the AC low-voltage and high-current
2022-06-30
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