Is the salt of high price more nutritious?

Is the salt of high price more nutritious?

Is the salt of high price more nutritious?

September 20, 2016 Source: Health News

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When you go to the supermarket to buy salt, people will see a variety of salt, ordinary refined salt, sea salt, well salt , and many salts known as high nutritional value, such as bamboo salt, snow salt, rose salt . What are the characteristics of these salts? Is the price of salt more nutritious?
 
Sea salt itself does not contain iodine
Iodine is an essential trace element in the body. The thyroid gland needs iodine to produce thyroxine, which has the effect of enhancing metabolism and promoting growth and development, especially brain development. If iodine is absent, it may cause cretinism and big neck disease. Pregnant women and infants are the most vulnerable to iodine deficiency. Maternal iodine deficiency mainly affects the brain development of the fetus and the baby, and even causes fetal abortion and teratogenesis.
 
The dietary sources of iodine mainly include food, iodized salt and drinking water. The foods rich in iodine mainly include kelp, seaweed and marine fish. However, the internationally recognized main measure to prevent iodine deficiency disorders is salt iodization. The United Nations launched the "Global Elimination of Iodine Deficiency" initiative in 1990 to promote salt iodization. It is no exception in our country. According to the survey, in the areas of low-water iodine or high-water iodine, traditional concepts such as kelp, seaweed and marine fish have contributed little to the intake of iodine (not more than 4%). This is because although these foods contain high levels of iodine, they account for too little of the diet. Moreover, sea salt itself does not contain iodine. Therefore, even if you live by the sea, you still need to eat iodized salt. In some coastal cities and provinces, such as Fujian, Zhejiang, Shanghai, etc., iodized salt is still an important source of iodine for local residents. If it is not supplemented by salt, iodine intake will be insufficient.
 
Many people worry that iodine will eat hyperthyroidism when eating too much. This is an over-worry. The WHO believes that daily iodine intake below 1000 micrograms is generally safe. If you eat a normal diet, you will not exceed this amount. China's assessment report shows that there are different levels of iodine deficiency in most areas, and the addition of iodine to salt is far more beneficial to the population than possible risks. Moreover, in some areas with high water iodine, the state has also carried out scientific classification management and stopped the supply of iodized salt in this part of the country.
 
Need to be reminded that some special patients should follow the doctor's instructions to limit iodized salt or not eat iodized salt, mainly including hyperthyroidism, thyroiditis, autoimmune thyroid disease and other patients.
 
Low sodium salt
 
Can't eat too much
 
There is also a low-sodium salt in the market, which says it is beneficial for cardiovascular and helps lower blood pressure. is that true?
 
The so-called low-sodium salt is actually made by adding more than four quarters of potassium chloride based on iodized salt. Compared with common sodium salts, it has a lower sodium content, 25% to 30% lower than pure refined salt, and also contains a certain amount of potassium. For people with cardiovascular diseases such as hypertension, low Sodium salt has a certain advantage in replacing daily salt.
 
However, it should be noted that the low sodium salt still contains sodium, and its beneficial premise is: 1. Replace the original common salt. 2. The total amount cannot be too high. We recommend that the amount of common salt should not exceed 5 grams per day, and the low sodium salt is almost the same amount. Because even if it is a low-sodium salt, if it is 25% more than ordinary salt, the sodium that is eaten is as much as ordinary salt. Therefore, even low-sodium salt can not be eaten more, and it is not mistaken to think that low-sodium salt is beneficial. Health will eat more blindly.
 
Rose salt
 
Not so magical
 
There is also a kind of rose salt on the market that is very hot. It claims to have 84 kinds of trace elements, which is good for health and is much more expensive than ordinary salt. Is rose salt really healthier?
 
In fact, 84 trace elements are a logical trap. Today, modern food testing technology has detected 84 nutrients (trace elements) in almost all foods. However, there are many types of nutrients and they are not necessarily more nutritious. To evaluate the nutrition of a food, in addition to seeing the variety, it depends on how much and how balanced each nutrient is. Therefore, it is not surprising that rose salt has 84 elements, but this does not mean that rose salt is nutritious, and the most abundant element is sodium chloride.
 
Although some trace elements in rose salt are indeed higher than ordinary salt, such as the relatively high silicon content in rose salt, it may have an effect on bone health, but the current essential elements of silicon are still controversial, and China has not The standard of silicon intake can not be determined. The content of iron and other elements in rose salt is also higher. However, if you eat 2 grams of rose salt a day, you can only get about 2 milligrams of iron. Compared with the 20 milligrams of iron that women need for a day, there is still a big gap. Therefore, rose salt cannot be used as the main source of dietary iron.
 
Even though some mineral elements in rose salt are higher than other salts, because dietary guidelines generally recommend no more than 5 grams of salt per day, this salt has little effect on other minerals or other trace elements. Obtaining these trace elements is the best way to balance the diet.
 
Nutrients
 
Will not bring more nutrition
 
There are also a variety of "nutrition" salts on the market, such as iron, zinc, calcium, and selenium. Will they give us more nutrition?
 
The elements added by these salts have a certain effect on the supplement of the corresponding trace elements, but the actual effect is not necessarily good, and the operability is not strong.
 
Because the amount of salt required is small in the entire diet, and fewer of these nutrients are added. If you really want to add nutrients other than sodium chloride, you still have to rely on diet. If you believe in its nutrition, blindly eating more will increase sodium intake, which is not conducive to cardiovascular health. If you have problems such as iron deficiency, zinc deficiency, calcium deficiency, and selenium deficiency, you should mainly solve it by changing your diet. If you don't lack it, you may not see the health benefits.
 
Three elements of salt and salt
 
1. Priority selection of iodized salt
 
At present, salt iodization is still needed to be implemented. When purchasing salt, everyone still prefers to add iodized salt.
 
2. Buy according to your own needs
 
If it is to help control blood pressure and prevent cardiovascular and cerebrovascular diseases, then when buying salt on the market, you must pay attention to the amount of sodium chloride in it. If you do not expect to affect too much taste, you can choose low. Sodium salt.
 
Some people want to special taste, some people want to pursue "high on", some people just want to experience different products, no matter what the purpose, it is best not to be bought because of being fooled, not blindly Purchasing for health or nutrition purposes.
 
3. Control volume
 
Regardless of the salt, its main ingredient is sodium chloride. If you eat more, it may cause excessive sodium intake, which is not conducive to cardiovascular health.

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