Temperature and humidity control is essential for storing raw materials in gummy supplement manufacturing. Proper storage preserves potency, stability, and integrity, so the final product meets high quality standards.
Recommended Storage Conditions
Requirements vary by ingredient, but general best practices provide a solid starting point for most raw materials used in gummy production. The variation is mostly about moisture and heat. Powders such as citric acid, vitamins, and minerals absorb water from the air and belong at the drier end of the RH range, while oils and heat-sensitive actives need the cooler end of the temperature band.
Temperature
A cool, stable temperature is key. The ideal range for most raw materials is between 59°F and 77°F (15°C and 25°C). Storing within this range prevents:
- Degradation of active ingredients: heat accelerates chemical breakdown, reducing potency.
- Melting or texture changes: critical for gelling agents, sweeteners, and fats or oils.
- Microbial growth: cooler temperatures keep bacteria and mold in check.
Also important: avoid freezing unless a specific ingredient requires it. Freeze-thaw cycles can damage sensitive compounds and alter physical properties.
Relative Humidity (RH)
Moisture control is even more critical in gummy manufacturing. Excess humidity can ruin the texture and stability of both raw materials and finished gummies. Target relative humidity should be below 60% RH, ideally 40–50% RH.
Low humidity prevents:
- Clumping and caking in powdered ingredients like vitamins, minerals, and citric acid.
- Premature hydration of gelling agents (gelatin, pectin), which should only absorb water during the controlled process.
- Microbial contamination: mold and yeast love humid environments.
- Degradation of moisture-sensitive ingredients that can hydrolyze or oxidize in damp air.
Implementing Best Practices
Setting a thermostat isn't enough. Good storage involves:
- Dedicated storage areas. Use climate-controlled rooms or warehouses with continuous monitoring for temperature and humidity.
- Proper packaging. Keep raw materials in their original, sealed containers, such as food-grade drums, bags, or bins with moisture barriers, until use.
- Inventory management (FIFO). Follow a strict first-in, first-out system so no material sits beyond its shelf life, even under ideal conditions.
- Continuous monitoring. Use data loggers and alarms to keep parameters in range 24/7, and document logs for quality assurance.
Storage Records and cGMP
Temperature and humidity control carries a documentation requirement too. cGMP requires written storage procedures and records that show the conditions were held. Data logger files, alarm responses, and material-specific storage instructions are all part of that record. The records also show when an excursion happened and how it was corrected.
For a contract manufacturer, these records matter to the client's own compliance. A brand that can show its manufacturer held raw materials at the right temperature and humidity faces an easier audit and fewer disputes when a batch falls short. When a client requests storage records, they are checking that the conditions stayed in range.
Rigorously control temperature and humidity from the moment raw materials arrive. That protects every ingredient and directly translates to a superior, consistent final gummy supplement.