食品添加剂小实验（Small experiment on food additives）

1、食品添加剂小实验（Small experiment on food additives）OneExperimental material: flour mill without any additives, flour, steamed bread powderInspection personnel in the market to find the suspected problem flour, steamed bread powderThe problem flour is whiterInspection personnel first without any additives,

2、flour A and suspected problem flour B, respectively, water mixing.PK result:Half an hour later, after pressing the dough press into sheets, the two patches contrast color, flour B obviously than the flour A white.Analysis：Professional alignment should have at least two differences in whiteness. Insp

3、ection personnel said, these two kinds of flour basically belong to a grade, under normal circumstances, whiteness should not be so different.Water does not change when noodles are boiledThis noodle might be a problemThe two patches are then cut straight into a bowl of two water.Theres a problem wit

4、h the steamed bunThe researchers also called each without additives, steamed bread powder, C and suspected steamed bread powder D each 100 grams, add water and stir into the dough, and then fermented for an hour. Take out two fermented dough, the steamed bread powder C is not as good as steamed brea

5、d powder D white.PK results: 20 minutes into the steamer, steamed Steamed Buns C was yellow, and Steamed Buns D bright white.Break two steamed bread, steamed bread C stomatal obvious, and steamed D of small pores and tight. Steamed bread C has a touch of natural wheat sweet, steamed bread D basicall

6、y can not smell the aroma.Analysis: the inspectors said, from the appearance, the whiteness of Steamed Buns powder D is not normal, should add some additives, but what is the use of food additives added to or exceed the standard, illegal additives, need professional analysis instruments.Countermeasu

7、res: surface products long time, browning will occur (color will darken). See Taibai flour, steamed bread, you have to hide a little farther.doubtCould flour whitening agents come back?Since May 1st, flour brightener, benzoyl peroxide and calcium peroxide have been completely banned by china.However

8、, Mr. Wang, the head of the food additives maker, predicts that flour whitening agents are likely to make a comeback.Although we all know that white flour, Steamed Buns is not good, but the enterprises rely on the market to speak, too black flour sales is not as good as white flour enterprises? Mr.

9、Wang said that the legitimate enzyme high cost can not afford, some enterprises may choose black etc. formaldehyde more harmful toxic additives.In addition, the control of the flour mill, some steamed bread shop or noodle shop to add whitening agent, who will supervise? This may be more dangerous th

10、an the direct addition of whitening agents.PK results: 5 minutes later, the pot noodle flour A, pale yellow turbid, straight edge noodles originally somewhat vague and irregular. And the water in the flour B pot is clear and yellow, and the edges of the noodles are still very clear and nice.Analysis

11、: inspection personnel said, normal noodles into the water, starch will spread, soup will be muddy, noodles easily deformed, and flour if added glue, starch will not spread, noodles will be difficult to deformation.If the water is still clear after the noodles are cooked, there may be a problem. The

12、 inspector said.2. pure black beans also fadeExperimental material:Pure natural black beans from home ASupermarket chain to buy bulk black beans BPK result:Two kinds of black beans are soaked into the water, 5 minutes later, the water is very clear.30 minutes later, the water began to pan black, 90

13、minutes later, the color of the water has been black and red, but not muddy, panning several times, the water is still black.Analysis: Mr. Wang said, black rice, black beans, these dark color foods, in fact, also contains pigment, will dissolve in water. So, people buy a home if a black water is bla

14、ck, does not need to worry about.Summary: the public Ms. Deng family never eat black rice, black beans and the like, that is afraid of dyeing.Ms. Wu is also very worried, but this time she took the mother of black beans to do the experiment, the heart finally put in the stomach, it turned out that w

15、e are too sensitive.Countermeasures: buy black beans black rice, can first hand rub, if the hand dyed black, may be dyed, if the bubble water muddy, be careful.investigationSudan red is a food additive?Food additives for food safety and take the blameFlavors, sodium citrate, pectin, Viggo, melamine,

16、 vitamins. Which foods do you think belong to food additives?In May 19th, the local media joined us in a survey of one hundred degrees in Henan.Survey shows that 97% of users believe that Sudan is a food additive, 92.4% of people believe that melamine is a food additive.Survey shows that six adults

17、believe that additives have become a major food safety hazard.Han Ping, director of the Department of nutrition and food hygiene at the school of public health, Zhengzhou University,Tonyred, melamine is not banned the use of illegal additives, food additives is back the blame for food safety problem

18、s, has become the scapegoat.Mr. Wang, head of a Zhengzhou food additive producer, said that everyone had to contact eighty or ninety additives every day. Without food additives, a lot of things cant be saved.Whats the main cause of food safety?Seven adults believe that the competent departments are

19、unknown responsibilitiesWhat do you think is the main reason for the current food safety problems? The survey shows that 69.7% of people think that, because of the responsibilities of the various departments is unknown, lack of supervision; 65.2% of people think that, because of illegal business and

20、 personal money; 56.1% of people think that the legal system is not perfect, the punishment is the main reason for the small.The state should strengthen the supervision of food safety and strengthen penalties for illegal enterprises. Citizen Li Ming thinks.Survey shows that 65.2% of respondents beli

21、eve that the production of food safety standards are not consistent with the punishment of enterprises, 59.1% of respondents believe that the government departments should strengthen supervision and management.Interest is a big driver, Mr. Wang said. He cited an example of a Nissan 200 tons of flour

22、 mill, flour 1 kg per ton to formal additive additive, about 25 yuan per kilogram, while some small workshop production of additives, dare to sell 15 yuan a kilogram, count down, mills will be able to save 2000 yuan a day.There are also food safety problems abroad, but the punishment is very severe.

23、 In South Korea, for example, people who deliberately make or sell substandard food have to sit for at least one year in addition to high fines.Strike hard in order to prevent. Mr. Wang said, Zhengzhou has a total of forty or fifty food additives manufacturing enterprises, the record is half. Superv

24、ision of small workshops, regulatory authorities need more effective measures.dialogueName card: Guo MaohuaDepartment of food safety comprehensive coordination and health supervision of the Provincial Department of healthAdditives used by the state have no effect on human healthMedia: food safety is

25、sues are frequently reported here and there. Is that the problem of food being widespread?Guo Maohua: we must not have this panic. In fact, before the 90s of last century, there were also food hygiene safety incidents, but they were not exposed. Compared with the past, now food safety problems can b

26、e timely exposure, indicating that the regulatory has made great progress.Media: Recently, many people have pointed to the food additives, think it is the main culprit of food safety, the state has also introduced a series of new policies to strengthen the management of food additives, what do you t

27、hink?Guo Maohua: This is a food additive and take the blame. In fact, there has not been a food safety accident caused by food additives in our country so far. As long as the country is allowed to use additives, there is no impact on human health, we can rest assured.Of course, the government crackd

28、own, in addition to illegal addition of illegal substances, as well as excessive excessive use of additives.If a food additive stick killed, life can only return to the primitive society, such as pure natural food, no additives, but perishable, and then easily lead to food poisoning.The provincial g

29、overnment is investigating and conducting local legislation on food safety supervisionThe media: Henan province to crack down on illegal add food and food additives abuse special rectification action plan, announced the list may be illegal to add non food substances and 47 kinds of food, but many of

30、 them showed no detection method?Guo Maohua: safe food needs to be checked and sampled, but testing is part of the supervision, not everything. The announcement is to tell food producers that these substances are not allowed to be used, as a deterrent to the government, rather than testing every sub

31、stance on the list. Of course, if there is a suspected illegal addition of a substance, as a part of forensics, target detection is also required.Media: at present, food safety is a sub sector supervision, such as the production of quality inspection tube, circulation to industrial and commercial ma

32、nagement. Many sound reflects, but long management is easy to cause management vacuum.Guo Maohua: it should be said that now this food safety sub regulation, there is no big loophole, but there are some problems, such as stalls, hawkers, small workshops who will supervise, there has been a managemen

33、t vacuum. The special rectification program issued by our province, once again the responsibility of each department refinement, stressed that once problems arise, who is responsible for the lead.Media: the standard use of food additives may run through several links, such as the management of flour

34、 mills, no whitening agents, and the sale of steamed bread on the use of, how to supervise?Guo Maohua: this involves how to do seamless prisonLife coupM: aged rice can sometimes be painted with mineral oil beauty,Rub it with toilet paper and pay attention to the oil on it. Things that are too bright and too beautiful should be taken care of.Oil: first choice big brand, buy less big bottle, because the oil is easy to be oxidized after