World-first for macadamia nut treatment

A macadamia processing plant near Lismore has cracked a world-first for nut treatment.

The pasteurisation machine at the Alphadale company MPC reduces levels of micro-organisms through non-chemical methods.

"The pasteuriser treats food in a way that reduces the levels of potentially pathogenic micro-organisms that may be present," general manager of MPC, Stephen Lee, said.

"The pasteuriser that we are using uses non-chemical treatment, so it is only using a combination of heat, steam and atmospheric pressure on the macadamia kernel," he said.

It took three years of researching equipment to settle on the new technology that cost $1.7 million.

Mr Lee said the system would reduce the need for product recalls over health concerns such as salmonella.

"We're the first processor in the world that has installed a machine that is capable of achieving a 5-log reduction of salmonella on macadamia kernel," Mr Lee said.

The pasteuriser treats food in a way that reduces the levels of potentially pathogenic micro-organisms that may be present. 

"Obviously the impact of a product recall is not just the costs associated with the recall, but it's the damage to brand reputation," he said.


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Comments: 13
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    The pasteuriser treats sustenance in a way that decreases the levels of conceivably pathogenic miniaturized scale life forms that might be available, general supervisor of MPC

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    The pasteuriser that we are utilizing utilizes non-substance treatment, so it is just utilizing a blend of warmth, steam and air weight on the macadamia piece.

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    Well if its good for the cause than its a great thing to have around, I love nuts and as a nuts lover, I fully support this new system of nut checking, so people please don't go nuts over nuts new machine its cool!

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    Muraya..kenya (Wednesday, 26 October 2022 11:52)

    1.what is the time and temperature for preheating macadamia at conditioning stage..?
    2.time and temperature at pestuarising stage...?