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Moisture Standards for Hazelnuts:
International standards typically establish the following requirements for the moisture content of hazelnuts in their shells and kernels. The moisture content of hazelnuts in the shell should generally not exceed 8%, which is crucial for preventing mold and other storage issues.
For hazelnut kernels, standards may vary from country to country and depending on the technology used and the type of product. Typically, the moisture content of hazelnut kernels should be approximately in the range of 2-6%. Adherence to this standard is important for preserving the taste and quality characteristics of the product.
Moisture Standards for Hazelnuts (Continued):
The stated requirements may vary depending on regulatory bodies and international standards. Therefore, it is recommended to always check the current standards and regulatory requirements for a specific country and type of product.
Hazelnuts are usually dried immediately after harvesting or cleaning from the husk, meaning they are dried in their shells. Drying can occur naturally if weather conditions permit, there is storage space, and personnel to monitor the drying process. Large volumes of hazelnuts from orchards are dried in industrial dryers. This drying method is more economically viable because drying occurs quickly and without human intervention. Dryers are capable of drying from 1 ton per day.
Temperature and Storage Conditions:
Hazelnuts in their shells and kernels are best stored at a temperature between +1°C and +4°C. This temperature helps reduce the risk of spoilage and mold. Hazelnuts in their shells can be stored in a cool, dry place free from moisture and foreign odors.
General Guidelines for Proper Storage:
When storing hazelnuts, it is important to avoid temperature fluctuations and extremely high or low temperatures, which can cause moisture condensation, as this can affect the quality and shelf life. Hazelnuts quickly absorb external odors, so keep them away from strongly scented substances, as this can affect the taste and aroma of the product.
By following the instructions for humidity and storage temperature, you can ensure long-term storage of both walnuts and hazelnuts, preserving their taste and nutritional qualities. Proper storage is an important component of the nut business, ensuring product quality and business profitability.
