Shelled almonds taken off the shelves

Green Taste have issued a recall of their shelled almonds, after discovering excessive levels of aflatoxin in the product. The almonds had been sold in various locations in Finland in 220 gram bags with a best before date of December 2014.

Revtech’s new technology can ensure that nut and seed producers avoid this contaminant issue. Their process systems are based on the innovative principle of an electrically heated and vibrating spiral tube, which ensure that products within the system advance due to vibration. The product is heated using the Joule effect of radiant heat, which means that steam is applied at very low levels to sterilise the product. This avoids stripping the surface of essential oils that can lead to rancidity. After treatment with this vibrational technology Sporular forms are highly reduced, and yeasts, molds, salmonella and E. Coli are all completely eradicated.

Providing a level of product quality preservation that is unique to the market, Revtech technology has three distinct advantages:

1.) There is excellent preservation of organoleptic properties, due to the small amount of steam that is required by the process;

2.) No visible difference in physical appearance between treated and untreated products can be perceived, as the process operates at atmospheric pressure;

3.) Requiring a very low power consumption, the machine also has a reduced cleaning time of 1 hour, has negligible maintenance costs and needs only one operator to run a complete unit.

Revtech’s machinery is a continuous process system, which allows for pasteurization, toasting and roasting, or both at once with a very high standard of precision.
 
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The batch of cashews above illustrates this point, showing the precise colour gradient that can be achieved. Starting from the test group on the furthest left, each subsequent group has an additional 5 minutes of sterilization up to 30 minutes on the furthest right.

Revtech’s process systems provide a unique response to the contaminant challenges of processing nuts and seeds. The advantages of their system have led recently to Revtech technology being granted the California Almond Board proof of process for a 5 log reduction!

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