What is puffed food

Frying, extrusion, baking, microwave and other technology processing, so that the original ordinary rice, corn, millet, purple potato, yam and other ingredients have undergone qualitative changes, which is puffed food. The water vapor in them is vaporized and expanded by high temperature or differential pressure treatment, and it first realizes a transcendental change in shape - the volume becomes larger and the cloth has small holes. Second, with the help of structural changes and food additives, the taste of puffed food has changed from slightly dry and hard, even a little scratchy, and the taste has changed from the slight aroma of starch resulting from gelatinization to salty and sweet, which can resemble meat and fruit, and the shape can be made into circles, rolls, slices, chunks and waves at will.

Advantages of puffed food

The flavors of puffed foods are varied, mainly due to the breadth of their raw materials and the flexibility of their production processes. Common tastes are plain, salt, sweet, spicy, creamy and so on. Different tastes can meet the preferences and needs of different groups of people.

At the same time, the puffed food has good taste and improved taste, which can make the coarse and hard organizational structure of coarse grains easy to be accepted and the taste is suitable. In addition, the starch in the raw material is quickly gelatinized during the bulking process, and the retention rate and digestibility of nutrients are high, which is conducive to nutrient absorption, and the dietary fiber contained in grains is also conducive to digestion.

The dangers of puffed food

1. Lead to obesity: Puffed foods are usually high in sugar and fat, and long-term excessive consumption may lead to weight gain and obesity.

2. Increased risk of diabetes: Puffed foods are high in sugar, and long-term consumption may increase the risk of diabetes.

3. Lead to dental problems: puffed food usually contains high starch, long-term consumption is easy to produce dental decay and other oral problems.

4. Affect intestinal health: Chemicals such as preservatives and seasonings added to puffing food, long-term excessive consumption may have adverse effects on intestinal health.

5. Relatively low nutritional value: puffed foods usually lack protein, cellulose, vitamins and other nutrients, long-term excessive consumption may lead to malnutrition.

7. Endocrine disorders: puffed food contains excessive additives, long-term consumption will cause unbalanced nutritional intake, additives will also affect the body's normal metabolism, resulting in endocrine disorders.

To use puffed foods properly, you can follow these tips:

1. Control intake: puffed food is usually rich in calories, so it should be eaten in moderation to avoid long-term large intake, especially for those who do not have too much sugar intake or patients with hypertension.

2. Choose the right time: Avoid eating a large amount of puffed food before meals, because this may lead to a feeling of fullness, affect the normal diet, resulting in malnutrition. In addition, it is not appropriate to eat puffed food on an empty stomach to avoid increasing hunger.

3. Choose regular channels to buy: When buying puffed food, you should choose regular large shopping malls or supermarkets to ensure the quality and safety of the products.

4. Pay attention to product identification: Check the product label when purchasing, ensure that the shelf life and production date of the product are clear, and avoid buying expired or unqualified products.

5. Pay attention to nutrition: puffed foods are usually low in nutritional value, so they should be eaten with other nutrient-rich foods to balance the diet and ensure that the body gets enough nutrients.

6. Moderate intake: Puffed food can be consumed as a casual snack in moderate amounts, but should not become a staple food or main source of nutrition.

In short, although the puffed food taste good, but not healthy food, should be eaten in moderation, and pay attention to nutrition and choose the right purchase channels. At the same time, maintaining a good diet and lifestyle is also the key to maintaining good health.

If you would like to learn more about the food industry, please visit the SIAL Shanghai website for more information.

Source: Engineering Technology Center, Tianjin University of Science and Technology

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