Homemade simple syrup, when stored properly in the refrigerator, typically lasts for up to one month.
While the high sugar content acts as a preservative, simple syrup can still spoil over time. Here's a breakdown to help you maximize its shelf life and identify spoilage:
Factors Affecting Shelf Life
- Storage: Refrigeration is crucial. The cold temperature slows down microbial growth. Store in an airtight container.
- Cleanliness: Ensure all utensils and the storage container are clean to avoid introducing contaminants.
- Sugar Ratio: A higher sugar-to-water ratio can increase shelf life slightly, but it's best to stick to the standard 1:1 ratio (or 2:1 for rich simple syrup) and focus on proper storage.
- Infusions: If your simple syrup is infused with fruits or herbs, it may spoil faster. Consider straining the syrup after a few days to remove the solids and potentially extend its life.
Signs of Spoilage
- Cloudiness: A clear simple syrup turning cloudy is a strong indicator of bacterial growth.
- Mold: Any visible mold growth means the syrup should be discarded immediately.
- Off Odor: If the syrup smells fermented, sour, or otherwise unusual, it's likely spoiled.
- Taste: Although not recommended as a primary method (due to potential health risks), a noticeably sour or off taste means it has gone bad.
Tips for Extending Shelf Life
- Use a sterilized container: Boil the container and lid for 10 minutes to kill any bacteria before storing your syrup.
- Don't double-dip: Avoid dipping dirty spoons or utensils into the syrup.
- Make smaller batches: Prepare only the amount of simple syrup you anticipate using within a month to minimize waste.