Oyster sauce can be said to be a common condiment for cooking in modern families. When cooking, add some oyster sauce, or use oyster sauce for cold dishes, or use oyster sauce for hot pot seasoning to make the food more flavorful.
As you use more oyster sauce, your attention will naturally increase. You will hear that eating too much oyster sauce is not healthy and will increase your salt intake. There are also claims that oyster sauce can cause cancer. It turns into a carcinogen when heated. Is this true? Of?
Is the high cancer rate among Chinese people really related to oyster sauce?
It is not true that oyster sauce causes cancer. Some people say that sodium glutamate contained in oyster sauce has the risk of causing cancer. This ingredient is easily toxic when heated to high temperatures.
This has also been specially studied. An experiment conducted by the Food Supervision Bureau of the British Institute of Technology found that as long as the cooking temperature of is between 70-90°C, it is safe and will not produce toxic effects.
When the cooking temperature reaches
In fact, the cooking temperature is not likely to exceed 90℃, so the harm can be ignored, which means that regular consumption of oyster sauce does not cause cancer.
However, when consuming oyster sauce, it is best to pay attention to three points:
First, the time to put the oyster sauce
To avoid harm, it is not recommended to put the oyster sauce too early. It will be more difficult to add it when the dish is about to be cooked. suitable. Oyster sauce is not resistant to high temperatures, so try not to use it at high temperatures.
Second, the amount of oyster sauce
Although oyster sauce has no risk of causing cancer, it does not mean that you can eat more. After all, it is a condiment. According to the " Dietary Guidelines for Chinese Residents" recommendations, the daily salt intake is Within 5 grams .
The intake of salt is not only from table salt, but also from other condiments. Oyster sauce will contain a certain amount of salt. Just a small drop at a time, just make it fresh, don't be greedy for too much.
Third, storage method
It is not recommended to store oyster sauce at room temperature after opening. If it comes into contact with some microorganisms and bacteria in the air, it will easily accelerate the deterioration of oyster sauce, and may also breed aflatoxin , which will not be good for the gastrointestinal tract. For people, it may cause gastrointestinal discomfort and may even damage the liver. It is best to keep it in the refrigerator.
Speaking of carcinogens, here are 4 things in the kitchen that you should really stay away from!
Self-pressed oil - Aspergillus flavus
Many families in China prefer to eat self-pressed oil, thinking it is more delicious. Self-pressed oil requires a lot less processing procedures. At the same time, there are also some hidden dangers, especially oil squeezed through informal channels and small workshops, which is even less safe.
If the oil extraction machine is not cleaned all the year round, it may become moldy, and Aspergillus flavus will breed. The extracted oil will naturally be carried with it. If you consume such oil for a long time, your liver may be damaged. , people with liver disease themselves have an increased risk of suffering from liver cancer .
Fried, fried and grilled food - Benzopyrene
Both types of food are popular with everyone, and have a special taste. They are emerging products in the new society, and few people can refuse them. However, no matter how delicious it is, there must be a limit.
Frequently eating fried, fried and grilled food will expose more carcinogens benzopyrene , especially for some people with poor immunity who are more likely to be irritated, thereby increasing the risk of cancer.
Moreover, fried and grilled food require high temperature cooking, which will release more oil smoke. Inhaling more oil smoke will also bring a lot of harmful substances to the body, increasing the risk of lung cancer and oral cancer. , The probability of laryngeal cancer .
Undercooked fish, shrimps and crabs - Liver fluke
Liver fluke is a parasite that is extremely destructive to the liver. Once infected, it will multiply quickly and may cause hepatitis. If not Early detection and treatment may allow hepatitis to develop into liver cancer.
And liver flukes are easy to hide in undercooked fish, shrimps and crabs. Some people like to eat raw fish , or drunk crabs, drunk shrimps , and they may eat undercooked fish, shrimps and crabs, thus Infection with liver flukes.
Processed and pickled food - Sodium nitrite
It has to be said that most people in China like to eat pickled and processed food. One is that they find it convenient, and the other is that they feel delicious, especially for those who usually eat it. Busy people, or people who like to make do, will prefer to eat processed and pickled foods.
However, an important issue has been ignored, that is, processed and pickled foods contain a lot of nitrite. When eaten in large quantities, the amount of ammonium nitrite produced in the body will increase. It is a carcinogen. Once the immune system relaxes, it may create opportunities for cancer cells to multiply, and cancer will occur.
In life, there are still many opportunities to be exposed to carcinogens, but the dose must also be considered. The more exposure, the higher the risk. If you don’t want to be close to cancer, try to avoid it. On the road to preventing cancer, you must also learn to identify some rumors, and do not blindly believe them, which will increase your psychological burden.
Reference:
1. "Does Oyster Sauce Cause Cancer?" ! The "cancer disaster" hidden in the kitchen!》·Health Hubei·2022.7.27
2. Benzopyrene, the invisible killer in the kitchen·"Public Health" Issue 3, 2019, pages 110-111
3. Nitrosamines in food and Review paper on cancer and its prevention, Liu Shukui, Zhao Jinyun, survey on the current use of nitrite in meat products, Chinese Journal of Food Hygiene