Tecnología PEF enhances ginger juice extraction by using short bursts of high-voltage pulses to disrupt the cellular structure of the ginger. This allows for easier juice release, leading to a significant increase in yield.
With PEF treatment, ginger juice yields can increase by as much as 33%, especially in less efficient extraction systems.
The moisture content in the waste fibers (pomace) is reduced by over 20%, improving overall extraction efficiency.
PEF treatment results in a higher Brix level, indicating a richer and more concentrated juice. For example, in a lab trial, PEF-treated ginger juice showed a Brix level of 3.6, compared to 3.3 in the control.
The ginger juice extraction process typically involves cutting ginger stems into pieces between 10-25 mm in size and subjecting them to hydraulic juice pressing at pressures ranging from 200 to 400 PSI. With the introduction of PEF treatment before pressing, the juice yield substantially improves.
For example, after the 3rd press, ginger treated with PEF resulted in 14% to 33% more juice than untreated ginger. By the 4th press, this increase persisted, showing the long-lasting effects of PEF on juice extraction.
In trials, PEF treatment significantly boosted juice extraction:
This consistent improvement in juice yield translates into better resource utilization and less waste, making PEF a highly attractive option for ginger juice producers.
Furthermore, PEF shows improvement in extraction in a wide range of fruit and vegetable juices, such as coconut milk, pineapple, y passion fruit.
Another interesting area is the extraction of byproducts or sidestreams. A great example is the extraction from avocado seeds.
One of the key environmental benefits of PEF-assisted extraction is the reduction in waste. In the trials, PEF treatment resulted in a significant reduction in the moisture content of the pomace—from 71% in the control group to 57% in the PEF-treated ginger. This not only reduces waste volume but also makes the pomace easier to handle.
PEF-assisted extraction has the potential to be a game-changing technology for the ginger juice industry. By improving juice yield, reducing waste, and enhancing the quality of the final product, PEF offers a sustainable and efficient alternative to traditional extraction methods. For manufacturers looking to increase profitability and sustainability, PEF treatment is a highly effective solution.
With its ability to boost yield by up to 33% and reduce pomace moisture content, PEF technology is setting a new standard for ginger juice extraction. This innovative approach enhances productivity and supports sustainability goals by reducing waste and energy consumption.
By adopting PEF-assisted extraction, ginger juice producers can optimize their processes, improve product quality, and reduce their environmental impact.
The OPTICEPT® LJ7 (Controlled Environment Pulsed Electric Field Treatment) is a state-of-the-art PEF system specifically designed for juice extraction and brings distinct advantages to this sector.
El OPTICEPT® LJ7 system enables increased extraction of juice with superior quality juice from fruits, berries, and vegetables.
The treatment is continuous and easy to retrofit into existing extraction lines. The OPTICEPT® system is scalable, where an increased number of units will
Multiply the flow rate by the same number.
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(Video) Interview with Senior research and Ph.D Simona Fabroni – Extended Shelf Life for Juice with OptiCept’s PEF Technology
In this blog post, we’ll explore the obstacles faced by juice producers and delve into how PEF technology could revolutionize the industry, enabling more producers to deliver the high-quality juices that health-conscious consumers crave.
