If vinegar is used together with other mineral-rich components such as calcium, magnesium, iron and zinc, it will promote the absorption of these nutrients because it provides an acidic environment.
In addition, when cooking food, adding some vinegar can also remove the fishy smell and peculiar smell, relieve the greasy feeling, and help the vegetables that are oxidized and discolored in the air to keep bright colors, such as potatoes and lotus root slices. Help improve the color, smell and appetite of food.
What will happen if you put these food vacuole in vinegar?
Black bean skin is rich in anthocyanins and has strong antioxidant activity. Theoretically, soaking black beans in vinegar for a long time can provide an acidic environment for anthocyanins to dissolve and precipitate better.
As for garlic soaked in vinegar, garlic soaked in vinegar is green, sour and delicious, which does not affect the sterilization and antioxidant effects of garlic itself, but don't expect vinegar to bring other magical health care effects to garlic.
In primary school science classes, there are often experiments of soaking eggs with vinegar, mainly using acetic acid to "dissolve" calcium carbonate in eggshells to get an egg without a hard shell. Since calcium carbonate has been dissolved in vinegar, can this kind of "vinegar soaked eggs" really play a role in supplementing calcium after drinking? This is true in theory, but don't forget that if you drink a large bowl of vinegar to supplement calcium every day, there will definitely be problems in the gastrointestinal tract. Moreover, if the eggshell is soaked in vinegar without cleaning, it may also bring pathogenic bacteria such as Salmonella into vinegar. If you really want to supplement calcium, it is better to drink milk, yogurt, cheese and tofu, which is delicious and convenient. Why bother yourself.
Some friends may ask, after all this, why didn't you mention lowering blood pressure and blood fat in vinegar soaked food? If hypertension and hyperlipidemia have been diagnosed, it is most reliable to take medicine according to the doctor's advice and adjust the diet according to the nutritionist's advice.