The 5 and June, all kinds of fruits are also a large number of listed, strawberry, watermelon, mango, lychee, grape...
But you may not be aware of: in addition to the natural mature, some byChemical ripening,Soaking liquidThe fruit also removed them! Don't buy these fruits!
It is understood that the appropriate use of preservative, ripener is a common practice in the industry. But the national standard requirements for its dosage and residues, excessive use will cause harm to the human body. While the use of edible wax on fruit is a kind of preservative measures, but does not rule out some unscrupulous traders to use industrial wax fruit wax, which contains heavy metals and chemical raw materials, such as mercury, lead, may penetrate through the peel into the pulp, harmful to the human body.
Reporters from the autonomous region of quality and safety of Agricultural Products Testing Center learned that the inspection of agricultural products to pesticide residues as the main indexes are not on fruit preservative residues detection.
Now teach you the selection of 10 kinds of fruits, avoid buying toxic fruit.
1.: push the big watermelon leavening agent
Exceed the standard use ripener, swelling agent and toxic pesticides, the watermelon on the fringes of the uneven, cut after Guarang fresh, white melon seeds, smell.
Prompt：To pick the melon pattern like open, local small tail cuff flowering.
"Surface touch melon belly button" concave is not smooth, but uneven, melon color green color is deep, with a hand up, gently, listen to the sound, should feel a little empty, holding hands feel slightly shaking, the watermelon is good one, which is not close. If not, it is the voice of death.
2.: banana ripening with ammonia
With ammonia or sulfur dioxide ripening, the banana skin yellow good-looking, but the flesh is not sweet taste taste stiff. Sulfur dioxide caused damage to the nervous system of the human body, but also affect the function of liver and kidney.
Prompt：When choosing, should find the fruit shape correct, large and uniform, the banana without defect and shedding, bright color; in addition, note that fresh bananas should be smooth fruit surface, no spots, no trauma, peel, pulp slightly hard, pinching up not weak, taste sweet, not astringent, no smell. If the skin or soft black meat, fruit stalk pan black, dry shrinkage, is likely to have started to decay, can not buy.
3. in the purple vinyl
The immature green grapes soaked into ethephon in dilute solution one or two, azure becomes purple grape grape. This grape uneven color, less sugar, less juice tasteless, long-term consumption harmful to the human body.
Prompt：To pick the whole series of full, a long thick kind, to smell fragrance, aroma concentration to buy. If the winter picked grapes, must buy fresh. Don't look at the fruit, to look at the stem, fresh grapes, stiff stems, bright green. When the color became dark brown, soft pops off, is relatively long, so the grape fruit may seem more solid, but in fact are the results of cryopreservation, and not really fresh.
Buy rose grape in particular, this small fruit is not easy to save.
4.: sulfuric acid soaking changed the color of Litchi
Using sulfuric acid solution, or by Ethrel spray, the color becomes red litchi attractive, but easy to decay. This kind of strong acid solution, the hand peeling, mouth foaming, the stomach will burn. There are fruit vendor will smoked with sulfur, and sulfur dioxide will produce a strong irritant to eyes and throat, causing dizziness, abdominal pain and diarrhea. Sulfur dioxide will cause cancer.
Prompt：To choose the skin is rough, kind of deep lines, that is usually the small litchi. The surface is smooth and flat type, general nuclear large. Not only to the surface and knead to ruddy, plump and elastic. Can also gently press the tail out of litchi, if it feels soft, not by hard objects, generally speaking the nucleus is relatively small, if you can feel to hard, generally large nuclear.
5.: Apple rush red color
Use Pengdasu reminders, reminders of red color, preservative. Excessive use of CPPU, rush red pigment, preservative can harm the liver. The retail fruit vendor will give hit the apple industrial paraffin wax, to maintain moisture, marketable fruit body is bright.
Prompt：The best selection of appearances for the red strip ("red"), there are a number of yellow and red. What kind of apple is very sweet, juicy, brittle.
6.: Peach Industrial citric acid soaking
Industrial citric acid soaked peach, peach red, not perishable. Can damage the nervous system of the chemical residues, cause allergic diseases, and even cancer. Half cooked crisp peach, adding alum, sweeteners, alcohol, the sweet and crisp.
The main component of alum is aluminum sulfate, long-term consumption will lead to osteoporosis, memory loss, dementia, decreased skin elasticity, wrinkles and other problems. White peach smoked with sulfur, sulfur dioxide residues will have.
Prompt：Choose peaches is smell more fragrant, more sweet, usually are not very nice appearance, not too soft, with a small sharp.
7.: push it in early maturing pear
Use Pengdasu, in its early and long reminder, bleaching powder, colorants (tartrazine) for bleaching dyeing. Treatment of pear juice less light, sometimes accompanied by the smell and smell. This kind of poison pear storage time is short, perishable.
Prompt：Pear to pick a female, delicate and juicy and sweet. Mother, is to choose the nest on the top of the dual, deep, round around umbilical umbilical, the Department of crude tegen.
8.: with yeast ripening persimmon
Unripe persimmon with yeast or ripener to ripening, but greatly reduced the sweetness of persimmon. And fruit in persimmon tibba at the point to "try the red spirit". These chemicals will produce residual poison, the persimmon.
Prompt：Soft and hard persimmon persimmon persimmon, the persimmon is baked soft persimmon, persimmon persimmon is a hard, two not only different hardness, appearance and taste are also different. The time of purchase, see appearance, to a big, bright color, no spots, no injury, no bad crack is preferred.
9.: Strawberry ripening leavening agent
The hollow, intermediate shape large and irregular strawberries, is generally caused by excessive hormone. It is understood that strawberries with ripener or other hormone drugs after growing shorter, the colors are fresh, but the fruit is smeared out.
Prompt：Strawberry head as quail egg or egg size of dove, there are also individual single big red strawberry, luster, uniform color, shape if the center. Feeling the elastic, moderate hardness. Has a unique aroma, strong aroma.
10.: Mango ripening lime paper
The traders said, they placed a layer of white lime mixture in this "paper" (lime, ethephon), after the "lime paper" package, lime and water react to produce heat, mango "heating" ethephon releases ethylene gas, for ripening of mango. A lot of mango in Beijing market are "cooked".
Prompt：Natural ripe mango, color is not uniform. The ripening of mango fruit is present in most of the emerald green head at the top, the other parts are yellow peel. And mango hardness, elastic, soft ripening of mango.
Finally, Xiaobian sincerely reminded of a few:
The fruit from the tree of the seven or eight mature, to grab the market, picking down and added ripener is no problem. Imported fruit is mostly used in this method. But in the growth period or only mature, "forced" ripener, will lead to quality problems. So we can do is:
The first step: choose the green flag of the fruit
Consumers should choose through the green certification of food at the time of purchase, because the green food and organic food is not allowed to use any chemical hormone, consumers can rest assured that food.
Step second: do not eat in season and early season fruit
Don't buy not mature listed fruit, if in the mature period before half a month to a month or so of the fruit color and good-looking, very likely is the use of ripener, if not ripener, fruit is not good, and low nutritional value.