摘要：

not available for EP0699394of corresponding document: DE4424100 Potatoes are washed, peeled and grated before being mixed with seasonings and, e.g., ascorbic acid to prevent browning and put in moulds which are fed to a freezer. The moulded material is subjected to blasting with liquid N2, which cools it and then evaporates, the gas being used for pre-cooling and inertising the complete process. Other cold gases may be used, e.g., CO2.

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