Masticating Juicer

The term masticate means to grind or chew. This chewing action is the essence of a masticating juicer’s mechanism. Think of a masticating juicer as the human body. Food enters through the mouth (feeding chute). It is then chewed with the help of an auger, and pressed against a static screen, to squeeze out the juice. The pulp, meanwhile, is ejected through a different outlet. This is similar to our digestive system, which extracts the ‘usable’ part of our food and expels the rest.

There are some major advantages to this type of design. The most important one is nutrition. There is plenty of evidence to suggest that certain nutrients are destroyed when juice heats up. Since masticating (single-auger) juicers chew food, they don’t require fast spinning action. The auger speed is generally between 80 and 100 rpm. This slow speed ensures that the contents don’t get heated up. Another important advantage of a slow-speed auger is that masticating juicers can juice leafy greens and wheat grass efficiently. Masticating juicers are also quiet in operation. This is why many households prefer them over other kinds of juicers.

Upright masticating juicers

Users of masticating juicers have frequently complained about the amount of space they take up on the kitchen counter. This has led to the development of a new upright design (similar to centrifugal juicers) in which the auger housing rests above the rest of the unit, significantly reducing the juicer’s footprint. There’s another reason why I like this design: it gives the juicer more stability, especially when you enter the food through the chute. The older juicers always threatened to tip over if I applied too much force. Not the case with upright juicers.

Although they have their merits, upright masticating juicers are still quite rare and many companies continue to use the traditional design, with the protruding “arm”.

Triturating (twin gear) masticating juicers

These are the most high-end and expensive juicers in the market. They use a twin gear/auger system as opposed to a single-auger one in regular masticating juicers. In it, the food is pressed between two interlocking roller gears. The result is increased efficiency (more volume of juice extracted), less oxidation, and longer shelf-life of the extracted juice. Twin-gear juicers have a very slow turning speed (slower than single-auger juicers), which translates to better preservation of nutrients.

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