Why is pork colorful? Revealing the recent hotly debated food safety topics on the Internet
Recently, a video about "colored pork" went viral on major social platforms, triggering widespread public discussion on food safety. This article will sort out the hot data of the entire network in the past 10 days and help you understand the ins and outs of this phenomenon.
1. Event background
On May 15, Douyin user @fooddetective posted a video showing that pork sold in a supermarket showed rainbow-colored reflections after being cut, and it quickly ranked No. 3 on the Weibo hot search list. Subsequently, the number of views of the topic #WhyPork is Colorful# exceeded 240 million, and related discussions reached 87,000.
| Platform | Topic popularity index | amount of discussion | peak ranking |
|---|---|---|---|
| 9,820,000 | 87,000 | TOP3 | |
| Douyin | 6,530,000 | 42,000 | No. 7 on the hot list |
| Zhihu | 1,240,000 | 5,600 | 2nd in Science Ranking |
2. Expert interpretation
Li Jianjun, a professor at the School of Food Science and Technology at China Agricultural University, said in an interview with CCTV: "This phenomenon belongs tooptical diffraction effect, is a light interference phenomenon caused by the regular arrangement of muscle fibers, and has nothing to do with the safety of meat quality. "
| Possible reasons | Probability of occurrence | security risk |
|---|---|---|
| optical diffraction | 89.7% | no risk |
| heavy metal pollution | 6.2% | Requires testing |
| Feed additives | 3.1% | low risk |
| spoilage | 1.0% | high risk |
3. Analysis of Netizens’ Opinions
Through sampling statistics of 10,000 netizen comments, we found that there are mainly the following differences of opinion:
| opinion type | Proportion | Typical comments |
|---|---|---|
| considered normal | 52% | "This is the same principle as CD rainbow" |
| Questioning food safety | 33% | "I will never buy supermarket pork again" |
| Ridicule entertainment | 11% | "I'm afraid I ate Skittles" |
| Others | 4% | - |
4. Relevant popular science knowledge
1.rainbow meat phenomenonIt mostly appears in fiber-dense parts such as hind leg meat, and is visible under light at a specific angle.
2. National food safety standards stipulate that fresh pork should meet the following indicators:
| Test items | Standard value | Excessive hazards |
|---|---|---|
| Volatile base nitrogen | ≤15mg/100g | corruption |
| Lead content | ≤0.2mg/kg | heavy metal poisoning |
| Salmonella | Not allowed to be checked out | intestinal diseases |
5. Consumption Suggestions
1. Pay attention to the quarantine and inspection seal when purchasing
2. Do not buy pork that smells bad.
3. It is recommended to go to regular supermarkets to buy branded cold meat.
4. Make sure the core temperature reaches above 70℃ when cooking
6. Subsequent impact of the incident
As of May 25, market regulatory authorities in 17 provinces and cities had carried out special inspections, and the random inspection results showed that the pass rate reached 99.3%. The China Meat Association said it would strengthen science popularization and dispel public doubts.
While this incident reflects the increasing public awareness of food safety, it also exposes the lack of popularization of scientific knowledge. Experts suggest that if you encounter similar situations, you can submit them for inspection through the 12315 platform to avoid unnecessary panic caused by misunderstandings.
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