In the past, hàn the has been used in food technology. This substance helps to preserve the freshness of food for a long time and increases its elasticity. Hàn the is often used in dishes such as bánh cuốn, bánh đúc, bún, or giò chả.
However, later studies have shown that hàn the is a toxic substance that has harmful effects on health and can cause intellectual decline. As a result, the use of hàn the in food production has been banned in Vietnam. In reality, some business owners still secretly add hàn the to food to enhance its taste and prolong its shelf life.
To determine if giò chả contains hàn the, you can look for the following characteristics.
Observe the color
Good quality giò lụa, which does not contain hàn the, typically has a light pink color. On the other hand, giò chả that contains hàn the may have a darker pink color that looks unnatural. If you notice unusually bright coloration in the meat, it is best not to buy it.
Check the smell
Delicious giò lụa, made from fresh pork, will have a characteristic aroma of pork. If you detect a slight sour smell or any strange odor from the meat, it may indicate the presence of hàn the or that the giò has deteriorated. It is best not to buy it in these cases.
Bite into a piece of giò
Giò that does not contain hàn the typically has a naturally sweet and fragrant taste. It is tender and not dry. On the other hand, giò that is hard, tough, and abnormally smooth may have hàn the mixed into it.
Use turmeric paper
This method provides a more accurate result compared to the methods mentioned above. However, it is a qualitative test and does not measure the quantity of hàn the. It only indicates whether the giò contains hàn the or not.
To make turmeric paper, prepare some clean paper and cut it into small pieces. Extract the water from turmeric and soak the paper in it before drying it.
When you need to test, simply press the turmeric paper onto the surface of the food (in this case, giò chả). After about 1 minute, if you see the paper changing from the yellow color of turmeric to a darker shade of orange, it indicates that the giò chả contains hàn the.
Source: Giaitri.thoibaovhnt
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