Fruit processing

Q: What steps does industrial fruit juice production involve?

Industrial fruit juice production consists of several steps: After delivery, the fruit is washed and sorted. The fruit is then pressed to extract the juice. The juice is then filtered, pasteurized and filled into bottles or cartons. However, the process can vary depending on the type of fruit; this is also to preserve the respective juice characteristics.

Q: How is the quality of fruit juice ensured during processing?

Quality is ensured through various measures, such as the careful selection of raw materials, gentle pressing processes, filtration to remove unwanted particles and pasteurization to eliminate harmful microorganisms. In addition, regular laboratory analyses are carried out to check the taste and ingredients.

Q: How is the juice yield optimized for different fruits?

The juice yield depends heavily on the type of fruit and the processing method. Apples and berries can yield up to 80 % juice through special pressing processes, while citrus fruits only yield around 50 % due to their structure. Modern technologies such as enzyme treatment and optimized pressing systems help to maximize the juice content.

We supply both complete systems and individual components for the production of fruit, vegetable and citrus juices.

Processing and utilizing fruit

Fruit processing is a complex process in which high-quality juices are produced from fresh fruit. Not only the taste plays an important role, but also the visual quality and shelf life of the juices. Modern technologies make it possible to preserve the natural taste of the fruit while preserving the valuable ingredients.

The production process involves several steps: First, the fruit is delivered, washed and sorted. This is followed by pressing, during which the raw juice is extracted. After filtering and pasteurization, the juice is bottled and packaged. The procedures depend on the type of fruit, as apples, grapes, berries and citrus fruits have different processing requirements. The juice yield also varies - while it can be up to 80 % for berries, it is only around 50 % for citrus fruits.

Market leader for many decades
Complete systems
Individual components

Grape juices
Berry juices
Citrus juices

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Shredder for shredding pome fruit, berries and vegetables

The grinder consists of a housing with rectangular inlet and outlet hoppers, a horizontal screw conveyor, a fast-rotating rotor and a grinding basket equipped with special grinding tools. The rotor and the screw conveyor are mounted on a shaft driven by an asynchronous motor. The fruit/vegetables to be processed pass through the feed hopper into the screw conveyor, which transports them into the grinding chamber. There they are caught by the rotor and accelerated. Due to the high speed and centrifugal force, the fruit/vegetables are spun through the shredding blades in the grinding basket, finely chopped and ejected through the specially designed slots.

The grinding basket consists of interchangeable segments, with an ejector element with integrated slots located between each of the shredding blades. Thanks to this patented design, a high throughput is achieved with minimum energy consumption. The grinding basket can be easily removed for cleaning and maintenance and can be rotated 180° to maximize the service life of the shredding knives. By using differently toothed knives, the consistency of the mash produced can be adjusted.

Our machines and systems for fruit processing

Bucher HPX presses

The Bucher HPX presses are suitable for juice extraction from fruits and vegetables worldwide, as well as for pharmaceutical applications where the highest extraction yields and low trub content in the pressed juice are required.

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Reception lines

The intake lines with deep silo, discharge dosing and flushing water circuit are flexibly adaptable, durable, hygienically designed and enable efficient separation of water and fruit with minimal maintenance.

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C25 Mill

The C25 grinder consists of a housing with feed and ejection hoppers, a feed screw, a fast-turning rotor and an innovative grinding basket for efficient grinding of ground material.

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Which fruits can be processed?

Apple and pear juices

We offer solutions for the production of high-quality apple and pear juices with hourly outputs of 1 to 100 tons, always economical, resource-saving and with a special focus on hygienic working methods.

Berry juices

Gentle crushing in combination with mash heating results in low-turbidity juices and maximum juice and color yields. Our ultrafiltration and microfiltration membranes ensure crystal-clear juices, while the flavor is extracted separately from the juices in the evaporator, simultaneously concentrating the juices into fruit juice concentrate.

Citrus juices

In cooperation with Bucher Alimentech Ltd. (New Zealand) and Bucher Exzel S.L.U. (Spain), we are leaders in the debittering and cloud stabilization of citrus juices and peel extracts, as well as in the acid correction of inharmonious juices. Our debittering plants can process both clear and cloudy juices.

Vegetable juices

Bucher technologies are characterized by a high degree of universality. They enable quick and optimized adaptation to different fruits. Companies that produce vegetable, pome fruit and berry juices can process all these different products on the same machines.

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Fruit processing

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Frequently asked questions on the topic:

Fruit processing

What steps does industrial fruit juice production involve?

How is the quality of fruit juice ensured during processing?

What role does the centrifuge play in fruit juice production?

A centrifuge separates solid components from the pressed or extracted juice. In fruit juice production, it is often used to remove pulp, peel residue and seeds from the juice. This technique ensures a homogeneous consistency of the end product, particularly in the case of citrus juices.

Why is the fruit juice pasteurized?

Pasteurization is used to make the juice more durable by killing off harmful microorganisms. The juice is briefly heated to a high temperature and then cooled quickly. This extends the shelf life of the juice without significantly affecting the nutrients and taste.