Shandong traders sulfate sodium metabisulfite refurbished Chen potatoes sold for profit

new potatoes (left) renovation of potatoes “(middle), and old potatoes (right) (Source: convenience net)

Zhongguang Wang Jinan, May 2 news (reporter Li Jian, Zibo of Shandong Taiwan Taiwan reporters Liujiang Fan) According to the Voice of China (microblogging) peak evening news reports, now is not the time to market new potatoes, but part of the farmers market in Shandong, there are large numbers of shiny new potatoes listed. The reporter found the shiny potatoes turned out to be refurbished goods.

less than new potatoes listed season, but this reporter visited the part of farmers’ markets found on the market has a lot of new potatoes listed. These potatoes shiny, even the soil are not relying on a sell, this potato prices higher than those old potatoes a lot.

Reporter: potatoes, how to sell ah?

traders: a five.

reporter: a five this?

vendors: three.

Reporter: How much is this?

vendors: three which is new this year, just under.

reporter noted that the same wholesale price of potatoes, new potatoes and old potatoes a lot worse, and some potatoes, a pound of some potato sold catty four dollars. Cheap potatoes seem thick-skinned, and apparently have sprouted, the so-called new potatoes were bright yellow, not only failed to germinate, even hand a twist will be able to rub off the skin, and looks very fresh. In the same market, a trader quietly told reporters not to eat new potatoes.

traders: the machines back and forth of the syrup what filters back and forth scrubbing. After washing, when the Xindi sell.

traders told reporters that the new potatoes on the market today are greenhouse potatoes, higher prices, and some appearance looks fresh and bright in fact after the polishing and washing potatoes. And said that this time, new potatoes simply not be listed.

traders: This year potatoes less, not down it, only to start the next.

the

refurbished potatoes what what trick? After making inquiries reporter learned that the renovation of potatoes is a simple process, covered in black soil potatoes into specialized cleaning machine which, after washing, soaking, machine polishing, some program down, old potatoes Hull. Inside implied authority? The test brought to the laboratory of Shandong Institute of Light Industry people with a doubt reporters from the market to buy the so-called new potatoes. Get the samples, Professor Du Dengxue experts suspect that after soaking in sodium metabisulfite, Chen potatoes. Chen, potatoes and new potatoes to a formal judgment, experts conducted a comparative test, the old and new two potato skins soaking with potassium permanganate solution mixed on cue, the renovation of the potato skin soaking case of high manganese potassium quickly faded, indicating that the epidermis of the new potatoes processed through sodium metabisulfite.

Duden school: It is often used Gioia sodium sulfate or citric acid, which is additive-treated potatoes soaking, the reaction rate is not the same, evidently more of the reducing agent.

experts said, after washing the renovation of processed potatoes would have been sprouting potatoes into “Shoots potatoes. Potatoes in the long-term storage process will produce solanine poisoning after eating, old potatoes, remove only the surface of the bud after simple treatment may still remained greenish tubers solanine, another renovation in the washing be added to certain cleaning materials, but also on the body will have a direct harm.

Since the renovation of potatoes poisonous, so how to tell new potatoes? Law enforcement officers, said the epidermis the finger Qingcuo potatoes, new potatoes epidermis gently rub will fall potato epidermal “refurbished” does not peel off easily. In general, the water content of the authentic new potatoes, fingernails obvious sap oozing into the part, the meat is also very hard, and Chen potatoes not only not much water, and fleshy rubber sense of flexibility. Therefore, consumers at the time of purchase, according to the above points to identify, not to be “beautiful” appearance.

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