常见问题

What is the optimal processing method to prevent pre-gelation when manufacturing pectin gummy candies?

Pre-gelation happens when the pectin setting temperature is reached too early in the depositing hopper. To prevent this in high-solids confectionery production:

1. Buffer Salts: Incorporate a sequestering buffer salt such as sodium citrate or potassium citrate (0.3% - 0.5% of total formula weight) into the initial cooking batch. This delays the ion binding and pectin cross-linking.

2. Temperature Control: Maintain the depositing depositor hopper temperature at no less than 90°C (194°F).

3. Late-Stage Acid Addition: Inject the acid solution inline immediately before the depositor nozzle rather than cooking it with the batch. This ensures the pH only drops into the gelling zone (pH 3.2 - 3.4) seconds before the syrup fills the starch molds.