Extraction is the process whereby the essence or edible parts are separated from the rest of a raw material for use in a processed product. The method varies somewhat depending on the raw material being used.
For tea, the extraction system is semi-continuous. The tea extract is cooled and clarified (where required) before being blended, heat treated and packaged in downstream processing equipment.
For soya, the concentrate is extracted from the beans by grinding, fibre separation, deodorisation and enzyme deactivation. This is done before recipe formulation and aseptic treatment, and finally packaging of the commercial product. This quality of the product is determined by a variety of factors, including the type of beans, the extraction method and the product formulation.
Tetra Pak extraction units perform grinding, fibre separation, deodorisation and enzyme deactivation.
Single-pass tea extraction system from Tetra Pak® is a semi-continuous system for extracting good quality RTD tea from tea leaves.
Tetra Alwin® Soy is a system for the continuous extraction of soya base from whole or dehulled soya beans.
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About Tetra Pak
Together with our customers we make food safe and available, everywhere. Since the start in 1951 we have taken pride in providing the best possible processing and packaging solutions for food.