How about a cold salad?
How about cold salad?
Eating cold salad is good, but it also has hidden dangers.
Cold salad can retain the nutrition in the dish to the greatest extent, and it is refreshing and can promote appetite. But cold salad also has certain hidden dangers to health.
(2) What are the benefits of eating cold salad?
First, cold salad does not need frying, frying, frying and other cooking methods, which can reduce greasy, light and refreshing, taste better, and increase appetite.
Secondly, cold salad can retain the nutrition in vegetables to the greatest extent, because some bioactive substances necessary for human body in vegetables will change their internal properties when exposed to high temperature, thus affecting their nutritional value.
Third, eating cold salad can reduce calorie intake to a certain extent, which is also helpful to lose weight.
(3) What are the hidden dangers of eating cold salad?
pesticide residue
Because cold salad is not cooked at high temperature, there may be some pathogenic bacteria or pesticide residues, which are harmful to the health.
food poisoning
Many foods are not suitable for cold dishes, such as potatoes, taro and yam. It needs to be cooked. Some beans, such as beans and edamame, contain toxic proteins, which are easy to cause food poisoning when eaten raw.
bacteria contamination
Cold salad is the most popular dish in summer. Many people like to cook a lot of cold dishes at once, and put them aside for preservation when they can't finish eating. But because of the high temperature, microorganisms multiply quickly. If the cold salad is left for too long, it is easy to be invaded by bacteria, and it is easy to feel unwell after eating.
Affect gastrointestinal function
Eating cold salad often and eating cold food in the stomach may hurt the stomach, resulting in impaired gastrointestinal function, decreased digestion and absorption capacity of the stomach, causing gastrointestinal discomfort.
And because cold salad is refreshing and delicious, many people eat it in large quantities, but eating too much will also lead to physical problems. Like to eat too much cool kelp, goiter will occur; Eating too much cold spinach will lead to zinc and calcium deficiency in human body.
(4) What should I pay attention to when eating cold salad?
First, the cold salad should be cooked and eaten now, and the salad should be eaten at one time. Even in the refrigerator, it is easy to deteriorate and be infected by bacteria.
Second, when making cold salad, you should choose fresh vegetables and clean them. After cleaning, scald with boiling water for a few minutes before doing it.
Third, it is best to add some onions, ginger and garlic to the cold salad, which can not only flavor, but also play a role in sterilization and disinfection.
Fourth, when cooking cold meat dishes, the meat must be cooked first, and the knives and chopping boards for cutting meat should be separated from those for cutting raw meat and lettuce. You can't use uncooked knives such as raw meat to cut cold salad.
2. How long can the cold salad last?
(1) How long can the cold salad be kept?
In summer, the weather is hot, bacteria multiply quickly, and the storage time of cold dishes varies with the type and formula of cold dishes. Generally speaking, the storage time of vegetables is inversely proportional to the temperature.
First, the pickled cold salad is generally placed for the longest time and will not be polluted. It can be placed for 6 hours.
Second, vegetable cold salad: whole vegetable cold salad, such as cucumber and cold tomato, is generally safe within 2 hours.
Third, sterilized and scalded cold dishes and cold dishes with garlic, ginger, vinegar and other materials that have a certain bactericidal effect can be preserved for about 4 hours.
(2) Can the cold salad stay overnight?
It is best not to eat cold salad overnight. Cold salad is a mixture of several condiments and ingredients, most of which have not been sterilized at high temperature. It was eaten overnight. First of all, a large amount of bacteria is not good for the stomach. Secondly, overnight vegetables are short-term pickles. This "pickled vegetable" is not preserved for a long time. If you eat it overnight, or for a few days, you will grow a lot of nitrite. Generally speaking, preserved food will grow in the first seven days.
(3) Can the cold salad be put in the refrigerator?
Many people like to refrigerate cold salad for a while before eating it. Cold ice makes food taste more sensual. Some people even put it in the refrigerator for a long time and ate it many times. In fact, this is extremely unsanitary. Although most bacteria are halophilic and like to grow in warm conditions of 20℃~30℃, it is found that there will be Listeria in the refrigerator, which can reproduce at the temperature of the refrigerator. It can also cause intestinal diseases very similar to those caused by salmonella, accompanied by pain similar to appendicitis and arthritis, so don't put cold salad in the refrigerator for too long.
(4) Precautions for eating cold dishes
1. Vegetables, fruits and other ingredients for making cold salad must be fresh, and rotten ingredients are strictly prohibited; And the ingredients must be strictly cleaned. It is best to wash with cold water first, and then blanch with boiling water to kill pathogenic bacteria and parasitic eggs.
Second, chicken essence should not be put in cold salad. Chicken essence will have refreshing effect only at 80~ 100℃. The cold salad temperature is low, and monosodium glutamate cannot be fully dissolved. Not only can it not refresh, but it will also affect the taste because the particles adhere to the surface of the ingredients.
3. Knives, chopping boards, plates, etc. Cold salad must be scalded with boiling water before use, and can only be used after disinfection and sterilization.
3. Will eating cold salad make you fat?
(1) What is the heat of the cold salad?
The heat of cold salad depends on the type and quantity of raw materials and the seasoning used. Whole vegetable salad has lower calories than gravy salad. It is estimated that 100g vegetable salad contains 6 1 calorie.
(2) Will eating cold salad make you fat?
Eating cold salad is easy to gain weight. Although eating cold salad reduces calorie intake, if you eat meat cold salad for a long time, you may still gain weight.
(3) The reason why people gain weight by eating cold salad.
1. Cold salad contains a lot of oil, such as ham, fried chicken pieces, fat salad dressing, etc., and a lot of seasonings are added. Eating it in large quantities can also lead to obesity.
Second, the material in the cold salad is meat. Eating too much fat will lead to weight gain.
Third, eating only cold dishes, especially those made of green leafy vegetables, may make you hungry soon, which will make you eat more other high-calorie foods to fill your stomach and increase your chances of getting fat.
Fourth, eating cold salad before going to bed at night will reduce physical activity and weaken the digestive function of the stomach, which will lead to the cold salad not being digested in time and will also lead to weight gain.
(4) How to eat cold salad without getting fat
If you want to avoid eating cold salad without getting fat, you'd better eat cold salad with a variety of vegetables, eat less cold salad made of meat, and eat some other foods at the same time to avoid getting hungry soon. Note that when cooking cold dishes, it is best to put some vinegar, less oil and seasoning, and don't eat it before going to bed.
(5) What should I pay attention to when eating cold salad?
First, will eating cold salad make you fat? Don't eat more. To control the amount you want to eat, eating too much often has an impact on your health.
Second, the ingredients for making cold salad must be fresh, rotten and spoiled, and cleaned. It is best to rinse with cold water first, then scald with boiling water or soak in salt water to kill pathogenic bacteria and parasitic eggs.
Third, the utensils used for cold salad, such as kitchen knives, chopping boards and containers, should be very clean. Scald it with boiling water before use. It is forbidden to cut vegetables with chopping boards and kitchen knives that have cut raw meat.
Fourth, when making cold salad, you can add some vinegar, garlic and ginger, which can also play a bactericidal role.