Summer is hot, tired and tired of a cup of juice to quench your thirst, looks healthy and delicious. However, it is difficult for consumers to distinguish all kinds of juice products on the market. Some products that look like juice are not really natural and nutritious. They are too lazy to chew fruits with their teeth and often drink juice, which is more likely to cause obesity. The problem... Therefore, nutrition experts suggest that juice is suitable for occasional drinking, and the public should still eat more fruits directly.
Vitamin C is continuously oxidized when juicing
Recently, the weather is hot, and the white-collar Miss Liu will pass through several drinks shops. Every time she looks up at the various combinations of juices, she will always be guilty: papaya sugar cane juice, fresh orange tomato juice... how can fruits and vegetables meet? Do you have any "food gram" problem when you juice together?
In the food safety science circle, “food gram†has long been characterized as a rumor. Eating without any two foods can cause poisoning, but each food has its own characteristics and needs attention when eating.
Gu Zhongyi, a well-known registered nutritionist, told reporters that if there is any problem with the variety of fruit and vegetable juices in the beverage store on the market, it may be that some recipes may not be good.
Gu Zhongyi said that there are advantages and disadvantages to extracting fruit into juice. Because the fruit juice will deplete the nutrition of the fruit itself, the vitamin C is continuously oxidized during the juice processing, and the dietary fiber is discarded along with the pomace, so the nutritional value will decrease. On the other hand, juice extraction will break the cell wall of the plant, and some antioxidant components, fat-soluble vitamins, etc. will be more easily absorbed by the body. But overall, compared to eating fruits directly, juicing overall does more harm than good.
Be wary of the high sugar content of the juice
The bigger problem with juice is that the sugar content is too high compared to whether the formula is good or not. This year's Children's Day, Consumer Reports tested 17 hot juices and juice drinks on the market. The results showed that the 17 juices had an amazing sugar content, and an average drink of nearly 11.9 g of sugar was consumed. Equivalent to 10 teaspoons. Not only that, but the energy they contain is not to be underestimated. On average, a bottle needs to be jogging for 21 minutes before it can be consumed.
The Dietary Guidelines for Chinese Residents recommends that the amount of sugar consumed per day should be controlled below 25g and not more than 50g per day. However, the high sugar content of the 17 juices is indeed worrying. There are 15 products with more than 25g of sugar per bottle, accounting for about 90% of the total. Drinking one bottle exceeds the recommended intake of the country. Not only that, there are 7 kinds of juices with a carbohydrate content of more than 40g / bottle, a bottle can not eat other sugary products all day long.
Children should also be temperate in drinking juice. Squeezing a glass of juice usually requires three or four fruits. The sugar and calories are very high. Drinking juice often makes the child fat, and it also develops a preference for sweets. For infants under 1 year of age, the American Academy of Pediatrics does not advocate drinking juice, and the baby can be properly fed with puree as a complementary food.
Fruity drink with less juice
Different from the production process, the current 100% pure juice products on the market mainly include two kinds, one is NFC juice (original squeezed juice), and the other is reconstituted juice. NFC juice is a fresh juice that is washed and pressed out of juice. It can be directly canned (not concentrated and reconstituted) after instant sterilization, which is what consumers usually understand as “fresh juiceâ€. NFC juice has the advantages of freshness and originality, but it has higher requirements for transportation, storage and sales environment, and the price is relatively high. The reconstituted juice is a 100% juice product made from concentrated juice and water. Reconstituted juice has a balance of advantages such as easy storage and transportation, reduced costs, and extended product shelf life.
Although it sounds more complicated, in fact, it is not difficult to distinguish between the two: in general, most of the 100% juices in the package of Combibloc or Tetra Pak (carton pack) are concentrated and reduced juice, no need for cold chain transportation and refrigeration, generally It is sold on the general shelf of Shangchao and stored at room temperature before opening. The NFC juice is usually packed in PET bottles, which need to be transported by cold chain and sold in the commercial cold storage area. Consumers can distinguish between packaging, ingredient list, etc., and choose the right product according to their needs.
In addition, there are several types of products with low nutritional value: juice drinks are formulated with water, white sugar and food additives on the basis of juice or concentrated juice. According to the relevant regulations, the juice content should be at least 10% before it can be called “juice drinkâ€. The "fruit drink" juice content is between 5% and 10%. “Fruit drink†is made up of sugar, sweetener, sour agent and food flavor. Its taste is mainly formulated by flavor. The juice ingredients are few and may not be contained at all. Naturally, there is no What is nutritious.
Part of the fruit juice first goes to the nucleus
If you juice at home, what can you pay attention to? First, select a raw material with a high moisture content. The juiced fruits and vegetables are best fresh, ripe and full of flesh. It is recommended to choose high water content, such as watermelon, strawberry, lemon, citrus, kiwi, pineapple, mango, etc. For those fruits with relatively little water, such as apples, pears, peaches, apricots, etc., as long as they can drive the beater to rotate normally, you can add some water.
Some fruits and vegetables are going to seed to go nuclear. The seeds or nucleus of some fruits are poisonous and should be removed before juice extraction, such as cherries, apples, etc., and the nuts of plums and peaches are also toxic.
Freshly squeezed juice is easy to deteriorate. Adding lemon or putting vitamin C can inhibit the activity of polyphenol oxidase, so as to preserve and protect nutrients. In addition, they can also adjust the taste moderately, making the juice more delicious.
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