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How a Vegetable Juicer Works

By Joshua McCarron

Drinking vegetable juice is a convenient way of getting your required servings of vegetables each day. Using an automatic juice extractor provides several benefits over store-bought juices and enables you to process larger quantities of juice right in your home. You can choose from a couple of different types of juicers depending on your needs and price range.

Centrifugal Juicer

A centrifugal-style juicer uses the power of centrifugal force to extract the juice from the vegetables. The strainer inside the juicer spins at 3,000 to 7,000 rpm and uses flat cutting blades to separate the juice from the fiber. Vegetables are fed down into the juicer and the juice is filtered through tiny holes in the strainer basket on one end, and the pulp is sent out the back into a container. A centrifugal juicer is easy to use and more affordable than other types but can also be quite noisy and creates a lot of foam in the juice.

Twin-Gear Juicer

A twin-gear juicer is also known as a “triturating” juicer that pounds and crushes the vegetables into fine particles. The gears rotate inward toward one another to tear open the cell membranes of the vegetables and release the juice. Twin-gear juicers spin at a slow speed of 80 to 160 rpm and are quiet during operation. Sometimes, force is required to feed the vegetables through the gears, and the price tag is higher than centrifugal juicers, but the juice is foam free and free of oxidation.

Vegetable Juice Ideas

When juicing vegetables, carrot is often the base that other vegetables are added into. Carrot has a neutral flavor, and mixes well with vegetables such as celery, spinach, beets, cabbage or cucumber. Most juices can also be spruced up a little by adding an apple for sweetness. It is wise to fill no more than one-quarter of your glass with green juices such as parsley or spinach; that may cause stomach upset or diarrhea.

Reasons for Juicing

Juicing vegetables provides a host of different benefits. Consuming vegetables through fresh-made juice allows you to bypass the digestion process and deliver concentrated nutrients into your bloodstream. It is also easier to consume larger amounts of vegetables to meet daily requirements. The Raw Food Diet Solution says a key benefit of using a juicer at home is that you are in control of the ingredients that go into your juice.


Remember to clean out your vegetable juicer shortly after you use it, regardless of what type you have. If the pulp sits in the basket or container on your counter, fruit flies can be drawn quickly. Also, don’t stop eating whole vegetables entirely; they contain valuable fiber that is necessary for optimum health. Don’t try to use a manual juicer for vegetables -- they are only suitable for soft fruits like citrus.

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