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Pharma & Cosmetics

Sanitisation of spices, medicinal and aromatic herbs


Food and Pharma industries are nowadays dealing with the increasing attention of consumers to natural taste, flavour and functional properties preservation, together with ever stricter food safety and hygiene regulations imposed by local and international authorities. With the purpose of serving the needs of these industries, Stalam has developed the “RF” series equipment for the sanitisation of  spices, aromatic herbs and medical plants. The use of Radio Frequency fields at 27.12 MHz represents today a much better alternative to conventional thermal processing methods for disinfestation, disinfection and pasteurisation. In the Stalam “RF” sanitisation system the inactivation of the required species (pests, molds, yeasts, bacteria, etc.) is achieved by means of a gentle dielectric heating treatment, at temperatures that may range from 60-70°C to 100-110°C according to the target species, which combines synergetically thermal and cell membrane electroporation effects. 



This dual action of the RF field is lethal for the biological entities contaminating the substrate, thus providing a valuable sanitisation and shelf-life extension technique. Significant reduction of the contaminating species can therefore be achieved without using chemicals or applying drastic thermal treatments which would have detrimental effects on the physical, functional and sensorial characteristics of the product.



Organic processing 

Environmentally friendly process fully compatible with  organic farming produce due to no need of ionizing  radiations, fumigants, chemicals nor modified  atmosphere packaging or cold storage. 


Enhanced quality and shelf life

Short process time (minutes), ensuring better preservation of the products’ chemical, physical and  sensorial properties.  Significant count reduction of contaminating species,  granting extended shelf life. 


Cost-efficient technology

High energy efficiency, low electrical power consumption.  Automatic setting of process cycles by means of PLC with  remote access, fiber optic probes for real time  temperature monitoring and feedback. 


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