What kind of mushrooms can’t be eaten? A practical guide to identifying spoiled shiitake mushrooms
As a common edible fungus, shiitake mushrooms are deeply loved for their rich nutrition and delicious taste. However, if stored improperly or purchased carelessly, shiitake mushrooms may deteriorate and cause food safety issues. This article will combine the hot health topics on the Internet in the past 10 days to provide you with a detailed analysis of how to identify inedible mushrooms and provide scientific storage suggestions.
1. Review of recent food safety hot spots (last 10 days)
| Date | hot topics | Related data |
|---|---|---|
| June 15 | Food spoilage rate increases in summer | Sampling inspections by the Market Supervision Bureau showed that complaints about fungi deterioration increased by 32% month-on-month |
| June 18 | Home storage misconceptions | Survey shows 67% of consumers don’t know how to store fresh mushrooms correctly |
| June 20 | food poisoning cases | Five people were hospitalized due to eating spoiled mushrooms in a certain place |
2. Six characteristics of spoiled shiitake mushrooms
| Features | Specific performance | Risk Statement |
|---|---|---|
| color change | Black spots/yellow spots appear on the caps, and the gills turn green | May produce harmful substances such as aflatoxin |
| Texture changes | The surface is sticky and slippery, and water comes out when pressed. | A clear sign of bacterial growth |
| Abnormal smell | Smells sour/musty | Microbial metabolites exceeding standards |
| Abnormal morphology | The cap is cracked and severely shrunk | Loss of nutrients and possible breeding of pathogenic bacteria |
| stipe status | Fibrosis is severe and difficult to break | Signs of excessive aging |
| Storage time | Refrigerated for more than 7 days without processing | Significant decrease in freshness |
3. Suggestions for eating shiitake mushrooms in different states
| Mushroom status | Processing method | shelf life |
|---|---|---|
| Fresh and high quality | Store refrigerated and consume as soon as possible | 3-5 days |
| slight discoloration | Cut off the discolored part and cook at high temperature | Eat immediately |
| Obvious deterioration | Discard the entire batch and do not eat. | - |
| dried shiitake mushrooms | Sealed and moisture-proof storage | 6-12 months |
4. 4 Key Points for Scientific Storage of Shiitake Mushrooms
1.Refrigerated storage:Wrap them in paper bags and place them in the fruit and vegetable compartment of the refrigerator to avoid the accumulation of condensation water caused by the use of plastic bags.
2.Preprocessing tips:Do not wash it with water after purchase, just wipe the surface impurities gently with kitchen paper.
3.Pack and freeze:If you need long-term storage, blanch the water, squeeze out the water, pack and freeze for 1 month.
4.Dry storage:Sun-dry or dry until the moisture content is less than 13%, then put it into a sealed jar and add desiccant.
5. Special reminder from experts
Hot and humid weather has recently occurred in many places. Experts from the Chinese Mycological Society remind: When purchasing shiitake mushrooms in summer, you should choose fresh products with thick caps and rolled edges; if you find liquefaction or odor in the package, you should discard it even if it has not expired. Eating spoiled mushrooms by mistake may cause vomiting, diarrhea and other symptoms, and in severe cases may affect liver function.
Through the comparative analysis of the above structured data, consumers can quickly grasp the key points of identifying spoiled mushrooms. Remember the three-step identification method of "look at the color, feel the texture, and smell the smell" to effectively avoid food safety risks. Healthy eating starts with details, so delicious and safe go together!
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