How to tell if there is no gutter oil in a dish when you go out to eat?

A Chinese medicine practitioner told us that the easiest way to test for gutter oil is to put a peeled head of garlic (garlic) in the stir-fry, which is most sensitive to aflatoxin. If the garlic turns red, it is gutter oil, which contains a lot of aflatoxin.

If the oil is good, the garlic is white. For yourself, for your friends, for your loved ones, just in case. Take 1 minute to turn it The doctor emphasized that if everyone who receives this email can **ten copies to others, at least one life will definitely be saved Please forward**!

Don't just archive. Give people roses, and leave a lingering fragrance in your hands.

Smell the fragrance identification method, the natural fragrance is different from the artificial addition, the color identification method, the gutter oil is a little matte, and the general edible oil is lighter.

You can taste it, gutter oil has a pungent smell of chemical additives.

The freezing point of gutter oil is low, dip a little with chopsticks, if it solidifies quickly, it is basically; After the dish is cold, it is more viscous, and there will be problems.

It is generally dark brown, almost odorless, and has an odor when cooled. Colic after eating; or heavy metal poisoning.

School cafeterias generally do not have gutter oil, and shops outside generally use gutter oil. You think, good guys! The cost has dropped so much, and everyone else uses it, why doesn't he use it, he can't eat it anyway.

Of course, it is not excluded that there are some people with a conscience. Now ......Hey......No one cares, and the gutter oil has become industrialized.

Go to a restaurant with good credit, go to a store with a lot of people, go to a clean store.

1. Look. Looking at the transparency, the pure vegetable oil is transparent, and the transparency will decrease due to the mixing of alkali lipids, waxes, impurities and other substances in the production process; Look at the color, the pure oil is colorless, in the production process because the pigment in the oil is dissolved in the oil, the oil will be colored; Looking at the precipitate, its main component is impurities.

2. Smell. Each oil has its own unique smell. You can put a drop or two of oil on the palm of your hand, rub your hands together, and smell it carefully when it is hot. If there is a peculiar smell of oil, it means that there is a problem with the quality, and the smell is likely to be gutter oil; If there is a smell of mineral oil, you can't buy it.

3. Taste. Take a drop of oil with chopsticks and taste it carefully. Oil with a sour taste is an unqualified product, oil with a burnt bitter taste has become rancid, and oil with a peculiar smell may be "gutter oil".

There is a trick to identifying gutter oil, and it would be a pity not to know.

Make it a habit to observe your tongue coating. After eating gutter oil, the tongue coating will become very dirty.

99 percent of the people can't eat it, and it is reported that the purity of the oil produced in the gutter oil industry chain is the same as the purity of the real oil, but the harmful substances are a little less than that of the regular manufacturers, and it is best to squeeze the oil by yourself.

The reason why gutter oil has always been one of the food safety hazards is because it is difficult to distinguish from edible oil, and there has been no research on a quick and convenient test method. As a consumer, it may be easier to judge from the feeling, gutter oil after repeated high-temperature heating and purification, color, smell, viscosity and taste are still different from edible oil, some gutter oil will be significantly precipitated after standing for a period of time, the color will be abnormal yellow, there will be a fishy smell when heating and cooking, some will appear viscous, and some will even taste astringent. This one still needs to be carefully distinguished, I hope you will not encounter gutter oil

Here's how to identify them:

The first step is to smell first. The dishes fried in gutter oil have a stale smell, and the taste is not fresh and refreshing.

The second step is to taste it. Take a drop of oil with chopsticks and taste it carefully. Oil with a sour taste is an unqualified product, oil with a burnt bitter taste has become rancid, and oil with a peculiar smell may be "gutter oil".

The third step is to take a look. Take a drop or two of oil from the bottom of the oil layer, apply it to a flammable piece of paper, light it and listen to its sound. Qualified products are those that burn normally and silently; If the combustion is abnormal and makes a "squeak" sound, the moisture exceeds the standard, and it is an unqualified product; When burning, there is a "crackling" sound, indicating that the water content of the oil is seriously exceeded, and it may be an adulterated product, and it must not be eaten.

Fourth, ask a question. You can ask the merchant's purchase channel, and if necessary, ask for an invoice for the purchase of oil products or check the sampling test report of the local food safety supervision department.

If you always feel that your throat is not refreshing after eating, there is phlegm and you want to vomit, and it is not clean, it means that the stir-fry is gutter oil.

It's not all scored! At present, there is no easy way to test whether the copied vegetables have gutter oil! If you really want to test, you can only take the sample to the local health bureau for testing! But it's troublesome!

Here's how:1. Look at the transparency of the oil, the high-quality oil is clear, and the low-quality oil contains impurities.

2. Looking at the ingredient list of oil, high-quality oil with high content of unsaturated fatty acids and vitamin E.

3. Rub the oil drops in the palm of your hand, the taste of the gutter oil is impure and smelly.

4. Put the newly bought oil on the popsicle and quickly solidify it as gutter oil.

5. When buying edible oil, it is best to go to a regular supermarket to buy edible oil produced by regular manufacturers.

How can you tell if rapeseed has gutter oil in it? Then it depends on whether he has dirt and floaters, and how much is there?