Can I eat the vacuum packed grains after the expiration date of one year?

Vacuum-packed cereals cannot be eaten after one year of expiration. The shelf life generally refers to the time limit for maintaining the quality of the ingredients under the storage standards marked on the label, and the vast majority of the ingredients have a shelf life, and the shelf life is to ensure the quality of the ingredients.

Expired food is susceptible to bacterial infection, which can lead to chemical reactions.

Aflatoxin is produced.

Nitrosamines, acrylamide.

and other hazardous substances. The taste of expired food will deteriorate, the quality will also deteriorate, various microorganisms will continue to accelerate the reproduction, and eating expired grains will cause adverse effects on the body.

Vacuum packaging can extract the oxygen in the packaging bag and food cells, so that microorganisms lose the environment in which they live, although it can prolong the preservation time of food, but the cereals after vacuum packaging also have a certain shelf life, cereals.

The shelf life varies according to the way it is processed, packaged, etc. Vacuum-packed, the shelf life can reach 12 months or even longer; Plain packaging, it may only be a few months; The shelf life of bulk cereals is relatively shorter. Therefore, cereals that have passed their expiration date cannot be eaten.

It's best not to eat it anymore, although it's a vacuum bag, but it's past the expiration date, there's no way to ensure its food safety, and there may be some molds that can't be seen and are harmful to the body, so don't eat it.

The shelf life of cereals depends on the storage method of cereals. The shelf life varies depending on the way it is processed, how it is packaged, etc. For example, vacuum packaging can have a shelf life of 12 months or more.

Ordinary packaging may only be a few months old. The shelf life of bulk cereals is relatively shorter.

You can open the package and take a look, if it has been vacuum packed tightly and stored in the refrigerator, it can delay the rate of oxidation, and it may be edible.

If you open the bag and there is an obvious hala smell, it means that the oil has oxidized, and it is not recommended to eat it.

After the shelf life of the vacuum-packed bag cereals has passed, it is best not to eat them.

First of all, look at the vacuum packaging to see if there is swelling and air leakage, whether there is mildew, and then smell the smell and whether there is a peculiar smell, if there is none, you can eat it.

The expiration date is too long, and the nutrients have been reduced a lot, so it is recommended not to eat it.

It is not recommended to eat it if the expiration time is too long

1.Can I still eat food after it expires? Is it safe before the expiration date?

What is the shelf life?

To understand the question of whether expired food can be eaten, we must first understand what the shelf life of food refers to? In China, there is only one shelf life, which means that under the conditions specified on the food label, that is, the storage conditions, the period of ensuring the quality, that is, within this period, the food can be eaten with confidence, and the business will also be responsible for the food.

In other countries, the shelf life of food is divided into the appreciation period and the consumption period, the former refers to the period when it tastes best, that is, the food tastes better if it is not opened and stored according to the preservation method provided on the package; The consumption period is similar to the domestic shelf life, which means that within this period, the food can be eaten safely, and generally corresponds to the food that will become lower in quality within 5 days, such as meat, vegetables, milk, etc.

Storage conditions are important.

Attentive friends will also find that different foods, the storage methods required on the packaging bags are also different, some foods need to be put in the refrigerator, refrigerated or frozen, and some need to be stored at room temperature; Some should be placed in a dry, ventilated place, and some should be eaten as soon as possible after opening.

This is because food undergoes a lot of physical, chemical, biological, and other reactions due to the environment during its shelf life. For example, physical reactions include moisture, dryness, or clumping of food, and under normal circumstances, the food will not be harmful to the human body after the physical change, but the quality of the food will deteriorate. Chemical reactions and biological reactions can spoil food, especially biological processes, microbial multiplication, can lead to food poisoning, so if you find that the food has changed its taste, spots, etc., you must throw it away immediately.

Treat each case on a case-by-case basis.

Can I eat food after it expires? It is important to understand that the expiration date is a reference, and secondly, it depends on whether the food is in biological and chemical processes. After the food is bought home, it should be placed according to the preservation conditions on the packaging bag, although some foods have passed the expiration date, as long as they are stored in the right way, they can still be eaten from the perspective of safety, such as biscuits, canned food, milk, etc., but the taste and texture are not so good.

And those foods that have already gone bad from the smell and appearance are still not to be eaten.

First, expired things may produce a certain amount of mold, and the most damaging to the human body is Aspergillus flavus, which is very easy to cause cancer. Clause.

2. Expired food may produce a large number of bacteria to breed, and when taking it into the stomach, the imbalance of the bacteria in the stomach may cause stomach pain. Intestinal dysbiosis may lead to abdominal pain and diarrhea, and long-term consumption of expired food may lead to chronic gastritis and enteritis. Packaged food can be eaten within one to two days of expiration, or even within a week, as long as the packaging is intact and the taste is not abnormal, the problem is not very big after taking it.

However, similar to fruits and vegetables, long-term storage may produce a large number of bacteria, even if the surface is intact, there are still some bacteria that people can't see, so it is recommended not to eat expired food, be sure to ensure freshness.

Can you still eat expired vacuum-packed food? Vacuum-packed food also has a shelf life, after the expiration date, the food will also breed bacteria, produce mildew, and cause damage to the body after eating, so expired vacuum-packed food can no longer be eaten.

Is it OK to eat expired vacuum-packed food? Expired food, vacuum-packed or not? You shouldn't eat it, if it's expired, it's likely to spoil, so it's best not to eat it.

Vacuum-packed food that has expired is absolutely inedible, because once it expires, the food in the vacuum-packed food will be full of various bacteria, and once eaten by the human body, it will have a certain impact on health. Therefore, you can't eat vacuum-packed food that has expired.

If the expiration time is short, it is no problem to eat it, and the shelf life of any kind of food will be longer than the shelf life written on the package.

In fact, if there is no bag, it will not be delayed to eat, because there is no bag to indicate that there is no deterioration. But personally, I don't think you should eat it, after all, it will make you feel uncomfortable after eating. I always feel like I'm going to eat my body.,Instead of being so tormented.,It's better to throw it away.。。

It cannot be eaten, expired food has spoiled, which will be harmful to health.

It's best not to eat it, and if you eat it, you will have to spend money to watch it!

Although it is vacuum-packed, it has expired, so it is best not to take it.

Generally, it can be stored for 1-3 months. Different kinds of food, or different pre-treatment processes, can be stored at different temperatures after vacuum packaging.

The main function of vacuum inflatable packaging is not only the function of oxygen removal and quality preservation of vacuum packaging, but also the functions of anti-pressure, gas resistance, and fresh-keeping, which can more effectively maintain the original color, aroma, taste, shape and nutritional value of food for a long time. In addition, there are many food products that should not be vacuum-packed, but must be vacuum-inflatable packaging. For example, crispy and fragile food, easy to agglomerate food and ears, easy to deform and go oily food, sharp edges and corners or foods with high hardness that will puncture the packaging bag, etc.

After the food is vacuum-inflated and packaged by the food vacuum packaging machine, the inflatable pressure in the bag is stronger than the atmospheric pressure outside the bag, which can effectively prevent the food from being crushed and deformed, and does not affect the appearance and printing decoration of the bag.

Vacuum-packed. Cured products: sausages, ham, bacon, duck, etc.; Pickles: mustard, dried radish, kohlrabi, kimchi, etc.; Soy products:

Dried tofu, vegetarian chicken, bean paste, etc.; Cooked food products: roast chicken, roast duck, sauced beef, etc.; Instant food: rice, instant wet noodles, cooked vegetables, etc.; Soft cans:

Bamboo shoots with clear water, fruits in sugar water, eight-treasure porridge, etc.

It ranges from 12 months to 24 months, depending on what kind of food is packaged.

1. The key is to look at the complex.

The original materials of your food, even if vacuum packaging will be deteriorated due to the presence of anaerobic bacteria2, the so-called vacuum packaging has different requirements for the permeability of the material, not all vacuum packaging can achieve the effect of "vacuum", and the place where there is easy to cause problems is the sealing part of the stitching, these factors affect the shelf life of the product.

It is best if you tell the product the raw materials of the leather burning in order to give you a general reference.

The length of the shelf life depends on the type of food! If it is boiled peanuts, it is estimated at room temperature for up to six months!

The length of the expiration date is related to the type of food history Sakura Zheng! If it is Songqiao cooked meat, it can be stored at room temperature for 1-3 months, and the preservation and nutrition period of fresh shrimp is 3 months, and it is 6 months without affecting consumption.

Whether it is or notVacuum-packed. of food, overShelf life, it is not recommended to eat, but the shelf life is not the only criterion for determining whether food has gone bad. During the shelf life, the food may also deteriorate early due to changes in storage methods, environment and other factors, for example, the shelf life will be shortened after the package is opened; Beyond the expiration date, the food does not necessarily spoil and cannot be eaten, which needs to be judged by yourself.

Vacuum only prolongs the shelf life of food, not that vacuum can be infinitely fresh. Generally, the shelf life is 3-5 times longer than under normal conditions. For example, under normal conditions, it can be stored in the refrigerator for 1 day without vacuuming, and it can be stored for 3-5 days after vacuuming.

Vacuum packaging simply removes the air (including some oxygen) from the vacuum bag to prevent the growth of bacteria. Prevents frostbite and prevents the loss of nutrients from the cross-flavor.

Generally speaking, the main reason for the deterioration of food is that microorganisms in the environment are ubiquitous, and after a long time, some nutrients will be decomposed by microorganisms into organic acid peptides, and then the food will be sour and smelly. In addition, food spoilage is also related to the role of enzymes, and the fruits we usually see are rotten and the meals are rancid, all of which are carbohydrates in food.

It is broken down by enzymes, and the main factor in these changes is because of the air.

The main cause of food spoilage

1. Microorganisms play a role. Microorganisms are everywhere in the environment, and food is easily contaminated by microorganisms during production, processing, transportation, storage, and marketing. As long as the temperature is right, microorganisms will grow and multiply and break down nutrients in food.

to meet their own needs. At this time, the protein in the food is destroyed, and the food will emit a foul smell and sour taste, lose its original toughness and elasticity, and the color will also change.

2. The role of enzymes. There are many enzymes in animal food, and under the action of enzymes, the nutrients of the food are broken down into a variety of lower products. The rice and fruit rot that we usually see are because the carbohydrates are broken down by enzymes and fermented.

3. Chemical reactions of food.

Fats are easily oxidized, resulting in a series of chemical reactions, and the oxidized fats have a strange smell, such as fat meat will turn from white to yellow.

Spoiled food not only changes its appearance, loses its original color, aroma and taste quality, but also reduces its nutritional value, and also contains corresponding toxins that endanger human health.

The above content reference: Encyclopedia - Expiring Food.

Encyclopedia - Vacuum packing.

Encyclopedia - Food spoilage.

It is not recommended to eat vacuum-packed expired food.

Vacuum-packed rice that has passed its shelf life is not recommended for consumption, because vacuum packaging is not without oxygen at all, and the oxygen inside the food may have an effect on the microorganisms and the industrialization of hail in the product. If you eat expired rice for a long time, it may cause malnutrition, gastrointestinal discomfort, and even food poisoning.

Generally speaking, the shelf life is the period during which the producer guarantees the food safety and quality, beyond the shelf life, but the producer no longer guarantees the quality, and the food may be unsafe or inedible. If you need to eat, please pay attention to whether there is obvious air leakage, spoilage source cavity, mildew and insects and other inedible phenomena, if it looks good, then, it is not completely inedible.

Please note that this does not mean that these foods are necessarily unsafe or inedible, but you should carefully consider the quality of the food and your own food safety risk tolerance before consumption.

Spoilage produces things that are harmful to your health, and you can't continue to eat them.