How to distinguish the new ingredients are not fresh? Offer practical preservation tips

2017-08-09 Source: fashion healthy

      Eat fresh food will be bad for the stomach, this will also affect the rest of the body!

     For example: vegetable oil, butter and meat in the oil will be stored in the process of oxidation reaction, and in the oxidation process will produce free radicals and oxidation polymerization products, eat will directly lead to your skin deterioration!
     Especially now is the summer, a variety of bacteria and microbial breeding crazy acceleration, the rate of food deterioration also exponentially increased, so stay in mind to observe whether the food at home fresh, so that their health is essential.

     As for how to determine whether the food is fresh, how to extend the food taste period, after reading this you know!
     Fire eyes to teach you to observe the freshness of food

     Most people in the supermarket to buy things will pay special attention to whether the fresh ingredients, and want to buy a good food to go home is not a difficult thing: the latest election to the goods on the line. But when the food bought home for some time later, how to decide to stay?
     Meat

     Animal food usually contains high protein, so it is also the base of bacteria like to camp. When the meat for some time before eating to pay special attention to the main can be through the touch, touch, smell to judge is not fresh.
     Fresh meat color should be more vivid, fat part of the shiny.

     Otherwise if the meat color dark as much as possible do not eat. In addition, the surface of the meat if dry or sticky hand, and the pressure after the depression is very slow to restore the performance is not fresh; and the smell of sour is more directly to throw away
     Fish

     Fresh fish should be glossy surface is not dark, scales should also be neat and complete.
     At the same time the fish gills and eyes are also important indicators to judge fresh: fish gills should be bright and no smell or sticky feeling; fish eyes should not have depression, turbidity.

     vegetable and fruit
     Fresh fruit and vegetable moisture content is relatively high and the color saturation is high. Not fresh fruit and vegetable will be the whole hair listless, soft, the epidermis will appear folds.

     If it is green vegetables, a long time to put the color will be yellow, darker.
     Dairy products

     Fresh milk is milky white or later yellow, shaking is a uniform liquid, you can shake along the bottle, no impurities precipitation is not sticky, thick situation.
     Smell it is a touch of milk, no smell. The most simple and rude, generally the problem of milk heating will become tofu-like, it is easy to see the problem.

     And everyone's favorite yogurt, although generally have a clear shelf life, but before drinking the best smell is still smell the texture is not smooth and clot uniform, because the days of hot when the yogurt is too easy to degenerate.
     Eggs

     In contrast, the weight is larger, the eggshell surface rough with small particles is fresh eggs. More intuitive, placed in the water when the fresh eggs will "lie" sink in the water; Chen eggs will be tilted or vertical in the water; if floating up, it shows that the egg has been bad!
     A pop also remind you that placed a period of time eggs, even if not metamorphosis, but also try to do cooked, the bacteria will be completely killed.

     Several TIPS keep your home's common ingredients fresh!
     Many people will be packed outside the habit of packaging, but leftovers are easy to degenerate, so a pop suggested that everyone after the package as soon as possible to put the food in the refrigerator, and eat when the food thoroughly through.

     In addition, the package back to the food is best not to overnight, it is not in 24 hours do not recommend you eat again. And like fresh (such as sushi, sashimi, etc.) food, be sure to eat in the freshest time, do not eat the rest.
     Do not buy excessive food at home: especially like fish, meat, dairy products, fruits and vegetables and other short period of short-term food A pop does not recommend everyone plans to buy cheap "hoarding", with the purchase to eat to ensure fresh The

     From time to time to check the refrigerator there is no deterioration of food, and then to be dealt with in time: when the refrigerator in the food deterioration, the bacteria soon breed, so in the refrigerator this small space quickly "infected" to other fresh ingredients, to a food Between the "cross infection".
     Food packaging is very important: when the family bought a large bowl or big bags of things, packaging can be a certain extent to help food preservation.

     Like beans, nuts, large meat, vats edible oil is very necessary to seal the packaging of food. Because once the opening of the packaging several times, so that food contact with oxygen or thawed several times, the speed of deterioration of ingredients to speed up.
     Sauces, pickles, pickles are the same thing most people at home, but unscientific is that the packaging of the sauce is usually very large and generally very slow to eat enough, so after the opening of the sauce must be on the refrigerator save!

     At the same time every time you open the time to eat with a clean cut out, because saliva, other dishes of sauce, etc. will accelerate its deterioration.
     Many people like to buy bread to eat, but like toast / law stick this bread is generally more can not eat a short time. Remember to put the rest in the freezer!

     Because the bread in the summer is very easy to degenerate at room temperature, and on the cold will accelerate the aging of starch affect the taste, so the frozen layer is leftover bread (no stuffing) shelter, the general can save up to 2 weeks or so.
     In short, in order to prevent the "disease from the mouth", A pop suggested that you allow the selection of fresh ingredients as far as possible in order to prevent increased gastrointestinal burden and accumulation of toxins!