Methods and steps:
Step 1: Check and make sure the bottle is properly sealed.
You should mainly check the jars and matching lids to make sure they match. Make sure that air can only enter the bottle when the lid is unscrewed. If the bottle is equipped with a rubber seal, check the seal for aging, otherwise replace the seal. In this way, can ensure that the sealing of the bottle is good.
Step 2: Rinse bottles and caps thoroughly.
Step 3: Heat the jars upside down in the oven. Before storing the food, place the jars upside down in the oven, heat them to over 100 degrees Celsius, and then turn off the heat.
Step 4: Disinfect bottle caps in boiling water.
To disinfect the bottle lid, boil it in water for 10 minutes. Remove the lid from the water only before using it. You can also disinfect bottles and jars like this.
Step 5: Store preserved foods sealed.
Once the food is in the jar, never reach for the cap with your hands. Use tweezers to seal the lid and dry.