Figure 1. Over the years, Schmidt has paid special attention to improvements in processes for concentration and aroma recovery of fruit and vegetable juices.

Our new technology was introduced in a symposium on the 26th of January 1983 in Bretten, West Germany, namely:

- the new SigmaStar™ evaporator (for which we received a US patent in 1986)

- new techniques for aroma recovery

- new energy saving methods for multi-effect evaporation in combination with aroma recovery.

We will describe and explain the new SigmaStar™ evaporator, the new aroma recovery plant as well as the integrated plant. Thereafter we will report our experiences, the quality of the final products, both aroma and concentrate, and improvements that have been developed over the years.

Paper published with permission.

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