How to store zongzi without refrigerator
As the Dragon Boat Festival approaches, rice dumplings are becoming more and more popular as a traditional delicacy. But for families or outdoor scenes without refrigerators, how to preserve rice dumplings becomes a big problem. This article will combine hot topics and practical tips on the Internet in the past 10 days to provide you withScientific method to preserve rice dumplings without refrigerator.
1. Recently popular topics related to rice dumplings on the Internet
| Ranking | hot topics | Number of discussions (10,000) | Related knowledge points |
|---|---|---|---|
| 1 | Innovative flavors of rice dumplings | 128.5 | Ice skin rice dumplings, low sugar rice dumplings |
| 2 | traditional preservation methods | 86.3 | Plant ash preservation method |
| 3 | Zongzi is healthy to eat | 72.1 | Glutinous rice digestion problems |
| 4 | Outdoor carrying solution | 53.6 | Vacuum packaging technology |
2. 6 ways to preserve rice dumplings without refrigerator
1. Traditional hanging method
Hang the cooked rice dumplings in a ventilated and cool place. It is recommended to use a bamboo basket or a breathable cloth bag. The temperature needs to be controlled below 25°C and can be stored for 2-3 days.
2. Salt water soaking method
Prepare 10% salt water and completely submerge the rice dumplings. Daily replacement of salt water can extend the storage period to 5 days.
| Container type | Amount of water (liter) | Amount of salt (grams) | Things to note |
|---|---|---|---|
| Ceramic cylinder | 5 | 500 | Avoid metal containers |
| glass jar | 3 | 300 | Keep sealed |
3. Plant ash wrapping method
Wrap the rice dumplings in dry plant ash and seal them in a clay pot. This method comes from ancient times and can be stored for 7-10 days.
4. Oil paper isolation method
Wrap it in multiple layers with edible grade oil paper, and wrap the outer layer with bamboo leaves for hanging. Care should be taken to prevent moisture and insects.
5. Cool burial method
Dig a pit in a dry and cool place, use bamboo leaves as a bedding, bury the rice dumplings, and cover with dry sand. Suitable for batch saving.
6. Alcohol sterilization method
Spray 75% alcohol on the surface and seal it to inhibit bacterial growth. But it may affect the taste.
3. Comparison of different scene preservation solutions
| save scene | Recommended method | Save duration | cost index |
|---|---|---|---|
| city home | Salt water soaking method | 5 days | ★ |
| rural environment | Plant ash wrapping method | 10 days | ★★ |
| outdoor travel | Oil paper isolation method | 3 days | ★★★ |
| Batch storage | cool burial method | 7 days | ★★ |
4. Preservation effect detection method
1.Appearance inspection: Normal rice dumplings should keep their leaves green and free of mildew.
2.Odor judgment: If there is any sour or peculiar smell, discard it immediately.
3.Touch test: The surface is sticky and slippery, indicating that it has deteriorated.
4.Reheat test: Rice grains should remain intact after re-cooking
5. Expert advice
Latest tips from China Food Industry Association:
① Sweet rice dumplings are more likely to spoil than salty rice dumplings
② The shelf life of meat rice dumplings is 1/3 shorter than that of plain rice dumplings
③ The best serving temperature is 60-70℃
④ It is recommended to make a small amount at a time and eat it now.
Through the above methods, rice dumplings can be effectively preserved even without modern refrigeration equipment. It is recommended to choose the most suitable solution based on the actual environment so that traditional food can continue under the premise of safety.
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