What is cold pressed method to extract Juice?
Yesterday I came to know about the term when I was looking for some juice. They were stating that we will deliver cold pressed Juice. So that make me wonder about what is Cold Pressed method and how can we extract juice using that way.
Best Answer
Cold pressing is as the name implies, to press(instead of blending) juice from a fruit while minimizing heat generation. You can buy these cold pressing juicers from the market as they're quite common nowadays.
Cold pressers from the market will likely have a rotating core (think drill bit) fixed in a tube structure. Drop your fruit from the top, and juice comes out after it gets pressed by the slowly rotating core.
The need for cold pressing juices likely came about when people thought that the traditional style of juice extraction via a blender/juicer subjects the mixture to high shearing/centrifugal forces which introduces heat and oxygen, which degrades the nutrients and vitamins in the juice. On the other hand, cold pressing purportedly negates these effects by "gently" treating the fruit. (think your cold pressed olive oil, coconut oil etc.).
Personal opinion: Since you essentially discard the fibrous parts of the fruit (that has a ton of benefits!) and consume the sugary mixture, your body will absorb a lot of sugar in a short time. Have a whole apple instead! :)
Slight addition:
For the heat generated by a blender, you may refer to this: Experiment on waste heat in a blender. Over 3 minutes time, 9.4 degC rise was achieved in 200mL of water with a 350W blender. Of course, with fruits in the mixture the figure might vary slightly so take it with a grain of salt.
Sources:
(1) https://www.wired.com/2015/04/nobody-can-prove-cold-pressed-juice-better/
(2) http://www.ctvnews.ca/health/fact-check-are-cold-pressed-juices-worth-the-hype-1.2926121
(3) My mum bought a cold pressed juicer
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Quick Answer about "What is cold pressed method to extract Juice?"
Cold-pressed juice is juice that uses a hydraulic press to extract juice from fruit and vegetables, as opposed to other methods such as centrifugal or single auger.What is cold pressed extraction method?
Cold-pressed extraction is a mechanical process to recover the essential oil contained in the skin (or epicarp) of citrus fruits. This technique is specifically reserved for citrus due to where their essential oils are stored.How does cold press juicer work?
a cold pressed juicer works on Low RPM that helps to produce more juice and even retain nutrients and fibers. The juice is at first place gets extracted by crushing and then pressing the fruits and vegetables thereby delivering more juice that is healthy for consumption.How do you make cold pressed fruit juice?
The difference between cold pressed juice and normal juice is that cold pressing involves no heat. Why is it important to avoid using heat when you make juice? It's because heat lowers the quality. Juices made using a heat process are less nutritious and less flavorful.How Is Cold-Pressed Juice Made?
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Tamanna Rumee, Lisa, PhotoMIX Company, Pixabay