What size of poisonous fruit ripening chemicals?

Currently, all fruit sprays on the market are not licensed. Fruit merchants and traders see immediate benefits, so they continue to spread to consumers 'eating and worrying'.

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Ripe drugs are not licensed

According to information from the Ministry of Agriculture and Rural Development, currently, fruit ripening drugs are not yet included in the Ministry's list of approved drugs, so it can be said that the use of fruit ripening drugs such as papaya, jackfruit, mango . is illegal. Previously, according to the Department of Agro-Forestry-Fisheries Quality Assurance, Ministry of Agriculture and Rural Development (MARD), ripe presses appeared on the market and were used by farmers to grow fruit or to promote ripening. White, solid crystal ethephon, very good dissolution ratio.

Most of the products on the market today are very small medicine tubes with the little finger that contains this chemical. This is a non-carcinogenic substance classified into Group D by the World Health Organization. The ethephon substance has a trade name of Ethrel but this is not an official name.

The chemical used to stimulate ripe papaya in Tien Phong, An Thi, Hung Yen

When exposed to water, ethephon changes to ethylene - a plant hormone that plays a major role in ripening and aging of plants and agricultural products, so when spraying on trees, fruits, ethephon enters the cell, gets water. in cells decompose into ethylene. Based on the investigation of ethrel residues in food, the US National Standards Institute determined that ethrel entering the body through food is safe if the daily dose does not exceed the permitted level of 0.05 mg / kg. weight. With a mass of 60kg, the amount of ethrel allowed for daily tolerance is 3mg.

According to many experts in the field of food safety, ethrel is not an 'extremely toxic' or 'extremely dangerous' substance but has certain toxicity. Animal studies show that the oral dose of LD50 is> 2,000mg / kg. This means that with an ethrel dose of 2,000 mg / kg, 50% of all tested animals can be killed in a given time (usually 4 hours). Ethrel is harmful to the skin and eyes, it is easy to irritate the eyes, irritate the eyes, corrode the skin, cause swelling, redness of the skin.

Still at risk

According to a reporter's report, ethrel chemicals are marketed publicly, rampant in the market, most of them originating in border markets from China, often costing 4,000 VND / 2 vials, 2ml each, but it can be used with a very large amount of fruit, just inject half of this medicine into the young jackfruit stalk, green papaya, only after a few hours to 1-2 days will ripen evenly, with a strong aroma as usual.

Many experts are worried, in many countries around the world, this substance has been banned for processing and preserving fruits. If sprayed or dipped in this fruit, it will create residue, which is easy to cause poisoning for people to eat. More dangerous, ethrel works with the nitrogen content in fruit to produce ethylenedyl dinitrate, a very toxic substance, with a permissible content of less than 0.3mg / m ³ .

Meanwhile, many farmers use rampant "word of mouth" chemicals like today, only to ripen fruits without knowing the safe content.

Prof. Dr. Nguyen Quang Thach, Faculty of Biotechnology, Vietnam Academy of Agriculture said: 'Currently, information on chemicals in liquid form is used by farmers to stimulate fruit production. very vague. Which firm produces? Is it really pure? What are other harmful impurities if any? Recommended time, how to use? How long is the safe time from vinegar to when consumers use it? ".

The farmer is applying quick-ripening medicine to papaya

'Chinese antidepressant drugs are mostly imported into non-official Vietnam and do not have any guidelines so it can be considered a form of commercial fraud. Secondly, these chemicals are not translated or there are explanations of the origin that lead to community concern being understandable.

The state management agencies must soon take measures to strictly manage the origin and chemical composition of fast-growing fruit stimulants originating from China so that consumers reduce psychology somewhat. worry instead of bewildered as today. While waiting for that to happen, there is no other way, consumers have to consciously protect themselves against the risks from the fast-paced fruits , ' Dr. Ngo Duy Thinh, Institute of Technology Biology and food, Hanoi University of Technology is concerned.

How to recognize papaya is ripe

Papaya is a fruit that helps people increase their resistance, boosting the production of white blood cells and antibodies. Like bananas, papaya is often harvested green. When returning to the city, the papaya is cooked to make it look more beautiful and easier to sell. Therefore, most consumers without experience will find it difficult to find out about papaya and ripened papaya.

Normally, ripened papaya will have a golden color, smooth shell, when pressed without any settlement. When peeling, there is still a lot of plastic, when eating the intestine, it is not soft, sweet, fragrant but hard, sweet and very sweet. This is in stark contrast to ripe papaya because ripe papaya has a natural sweet taste, crust or crust, no longer plastic, soft and fragrant fruit flesh.