Paper cup is not for drinking tea!-Iota

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News > Dynamic industry > Paper cup is not for drinking tea!

Paper cup is not for drinking tea!

Dixie cup

Soak tea

Flower receptacle

Soak tea

In daily life, we often use, drinking tea, but you know, with tea, make tea taste, colorgreatly, and reduce the nutritional value of the tea. Jiangsu Provincial Quality Supervision Bureau recently conducted a supervision and risk monitoring of paper food container products, sampling results, is not suitable for tea, drinking cups. Yangzi Evening Newsreporter Xue Ling

Comparative test of 1 cups of wine but qualified leakage

During this inspection, quality inspection personnel with 65% ethanol for 80 batches ofsamples, the paper products were monitored permeability. The results showed that 47 batches of paper cups, leakage, mainly for the cup body joints and the cup body and the cup bottom junction Yin infiltration phenomenon, namely ethanol solution through theinner film permeability to the outer layer of paper cups, of which 6 batches of the situation is more serious, ethanol was leaked to the outside, and even make the cup joint cracking.It is worth mentioning that, with this group of the leakage is not qualified paper cupscontaining hot water of 90 DEG C, no leakage or negative permeability.

The state of food packaging products testing center engineer Xiang Bin explained, this shows that the bonding process and film thickness of paper is not obvious problems, the reason for alcoholic beverages will leak, because alcohol is volatile, strong permeability,are easier to use and paper cups in organic solvents, resulting in leakage. The test timeis set to 30 minutes, if the storage time increased, the leakage phenomenon will be more serious, and ultimately to the external leakage.

Xiang Bin reminder, more serious is, ethanol can dissolve cup surface printing ink and inkpattern, containing benzene and other harmful matter, is likely to be consumers drink into the stomach.

Comparative test of 2 dark tea, tea

At the release site, quality inspection staff in response to this phenomenon, the field test.Quality inspection personnel in disposable cups and glasses in the Green Tea andOolong Tea weighed 1 grams, Black Tea because soaked deep color is said to take 0.5 grams. Pour boiling water on the disposable cups and glasses, placed 20 minutes afterthe Yangtze Evening News reporter found, paper cup Black Tea color was deep in the glass, and Green Tea and Oolong Tea cups in color than the color of yellow glass tea.

Tea polyphenol oxidation test showed that tea, dark yellow or the main reason lies in thetea polyphenols and other nutrients by oxidation. Tea polyphenols if oxidation will directly affect the tea taste, color and reduce the nutritional value of the tea.

According to the experimental results, we suggest that you do not use Xiang Bin just boiled water in disposable cups in tea time in the normal tea, try to choose 75 degrees around the water to make tea in tea utensils glass, enamel cup or professional. Generaladvice to boil water to make tea for 10 minutes.

The fluorescent material unqualified enterprises table

Portable 13cm cake box

Inspection unit: Huaxin Tiancheng flagship store (Tmall)

Manufacturer: Tianjin Sheng drawing products Co.

The 85 bowl of ice cream IWISHYOU

Inspection unit: Huaxin Tiancheng flagship store (Tmall)

Manufacturer: Tianjin Sheng drawing products Co.

Mini cake box

Inspection unit: Nanjing Baixia District Weili Shida cake shop

Manufacturer: Nanjing joy packaging technology Ltd.

Sampling results

3 fluorescent material unqualified products

Yangzi Evening News reporter learned that the quality supervision department, were collected in 120 batches of samples, of which 80 batches of paper cups, paper cup,paper lunch box, paper and other paper container 40 batches. Supervision and spot checks focus on the detection of the products of heavy metals (lead, arsenic), fluorescent substances, decolorization test 4 indexes of 3 batches of food containers, paper productsof fluorescent substances (see left-hand chart) is not qualified, a pass rate of 97.5%. The fluorescent material is a kind of can absorb ultraviolet light and reflection fluorescence of chemicals, can improve the whiteness of the paper, to improve the printing effect, is often used as a whitening agent for paper products. But the fluorescent whitening agent is a recognized carcinogen, the cause of fluorescent substances is likely to exceed the standard base paper used not food grade, or the use of recycled paper products,recycled paper with dark color, in order to make the paper white appearance, and add a lot of fluorescent whitening agent.

Purchase tips

Bright paper products not to buy fancy

Paper made food packaging containers and other products must have the QS (food quality and safety market access signs) signs can be sold, consumers in the purchase ofrelated products in addition to identify QS markers, should also choose food paperpackaging products printing paper products less, too colorful, bright appearance are more likely to have health and safety risks. In addition, should also choose paper made food packaging products have no odor. The smell of paper products as the main source of paper and printing ink. If you open the packaging bags smelled the pungent smell ofpaper products, and not to buy.