When your fruits or vegetables are put into a centrifugal juicer, they are grated into smaller slices and pieces through sharp teeth-like blades. These blades are usually found on the bottom of a basket-like part, such as the Nutridisk of the Breville 800JEXL, and less efficient than the augers found on masticating juicers. Juice is extracted during this process by through the pressure of centrifugal force as the ground-up parts of the fruits and vegetables are pressed against walls of a filter. The faster these juicers spin, the greater the amount of force applied during this process, and the great the amount of juice that is extracted. A typical Centrifugal juicer will have a motor with 800 watts of power or more spin at nearly 15,000 RPM and are regarded as being very noisy. The juices produced by these juicers have shorter shelf lives due to increased aeration associated with centrifugal separation processes.
Great machine! This is our first juicer so we really didn’t know what we were getting into but I’m very pleased with this machine. It’s fast not too loud easy to Clean especially if you have the cleaning brushes which I think is a must have! Just one tip don’t over do it, it needs to rest intermittently and if it sounds like it’s slowing down do a mid juice cleaning so that the pulp doesn’t overflow.
Features: Two cones rotate both ways to squeeze every drop of juice from fruit! The small cone squeezes more juice from small fruits like oranges, lemons and limes, while the large cone is perfect for grapefruit. Adjustable pulp control lets you get the amount of pulp you want and built-in cord storage keeps the cord neat and out of the way. All parts are dishwasher-safe for fast and easy cleanup! Juicing Made Easy Clear-View Juice Container Easy-to-Read Measurements Easy-Pour Spout Storage Cover Cord Storage Built to Perform 2 Self-Reversing Cones Adjustable Pulp Control
"This is a gem of a juicer! I could not have purchased a better working, all inclusive machine. All the features I wanted without going overboard! Not knowing how much I would be using a juicer, I opted for a smaller price tag as they can run pretty crazy in my opinion. This one has a high & low optional switch which I mostly use the low juicing celery, cucumber, carrots, apples and some leafy greens. The wide mouth means I have to do very little cutting and prep, the juicer is thorough and i get very dry pulp leftover (which i've used in the puplp muffin recipe included in the manual). There is no extra assembly or dissasembly when I get it out of the cupboard it all pops together very quickly and comes apart easily for fast cleaning with the brush included. Overall I absolutely love it and definitely recommend it!"
We like this juicer a lot. It has a HUGE container to catch the pulp, so you can make lots of juices at once and bottle them. Also, the chute is really wide - we throw whole (smallish) apples, oranges and pears in it so we don't have to mess with slicing everything up. It pulverizes everything with no problem. The spout releasing the juice is a little wonky; we had a hard time figuring out what was actually fully open vs. fully closed (we are smart people with college degrees, I swear...it is honestly just a little unclear when you are twisting it). The pitcher catching the juice is great; it has a nice spout for us to easily pour it directly into bottles. The main downside is that it is a pain in the butt to clean, but that is every single juicer on the market, not just this one, so you can't hold that against it. Overall, we would definitely recommend this one!
The gist: The Omega is the creme-de-la-creme of masticating (slow-speed) juicers. Since it processes at a slower speed, you won't miss out on any nutrients. You can juice anything from fruits and vegetables to leafy greens— but it doesn't stop there. The Omega will also turn nuts into nut butter (homemade peanut butter anyone?), grind coffee beans, make pasta, frozen desserts, baby food... to be honest, we're not sure there's much it can't do. Additionally, its slow speed method makes for a super quiet juicing experience.   
Juicing is a unique way to naturally process your fruits and vegetables to maximize the nutrition you get from your foods. By chopping, crushing, and squeezing fruits and vegetables, you are helping to release all the micronutrients found within the cell walls [1] These micronutrients are very beneficial to your health and can benefit nearly every aspect of your health. Simply put, Juicing is good for you! One of the most effective means to ensure you are getting the most of these powerful enzymes and micronutrients is to juice with a high-quality juicer made just for juicing! Research has shown that using juicers, rather than blenders, is a much more effective way to release natural anti-oxidants found in fruits [2].

The Cuisinart Juice Extractor CJE-1000 is one of the best juicers in our review. It is a powerful machine that produces a lot of juice with very little froth output. It is quieter than most other juicers, comes with a 1000 mL pitcher and includes a long three-year warranty. If your counter space is limited, this might not be the right fit for you, but the Cuisinart Juice Extractor makes delicious and nutritious pulp-free juice with very little produce preparation needed.
If juicing leafy greens is an emphasis for you or you want a machine that handles other kitchen prep the Omega J8006 is your best choice. This classic cold press masticating juicer has been a best seller for years and produced the highest volume of kale juice of all the juicers we tested. It works quietly at slow speeds (only 80 RPM) to extract juice from all kinds of produce. Its dual-stage juicing system mimics how humans chew–the crush and press process produces drier pulp and high juice yield. We did have to spend more time cutting fruits and vegetables up to fit them into the small feed tube and occasionally had to stop juicing and use the “reverse” feature to handle clogs. It also produced slightly less juice from hard fruits and vegetables and as a horizontal model has a bigger countertop footprint. However, it offers additional functions such as pureeing nuts into nut butters, grinding spices and coffee, making pasta, and baby food with an extremely generous 15 year warranty.
The gist: The Omega is the creme-de-la-creme of masticating (slow-speed) juicers. Since it processes at a slower speed, you won't miss out on any nutrients. You can juice anything from fruits and vegetables to leafy greens— but it doesn't stop there. The Omega will also turn nuts into nut butter (homemade peanut butter anyone?), grind coffee beans, make pasta, frozen desserts, baby food... to be honest, we're not sure there's much it can't do. Additionally, its slow speed method makes for a super quiet juicing experience.   

An efficient design allows the Slowstar to crank out a high volume of juice within a small footprint of 6½ by 8 inches. The feed-tube opening is a relatively wide 2½ by 1½ inches—wider than the 1½-inch chute on the Omega J8004—which helps reduce the amount of vegetable prep you’ll have to do beforehand. The solid waste collects cleanly in a waste container that’s included. The Slowstar has a reverse button in the back in case you need to dislodge stuck vegetable matter, but I never needed to use it.
Traditionally, this is the most common type of juicer. These typically utilize a fast-spinning metal blade that spins against a mesh filter, separating juice from flesh via centrifugal force. The juice and pulp are then separated into different containers. The problem with centrifugal juicers is that the fast-spinning metal blade generates heat, which destroys some of the enzymes in the fruits and vegetables you're juicing. The heat also oxidizes those nutrients, rendering less nutritious juice than a cold-press juicer.
Twin gear triturating machines are usually the most expensive juicers offering the best juice yield. Twin gear juicers employ two metal counter rotating gears to crush the juicing fodder. The precise tolerance of the gears allows the juice to flow through the gap between the gears while the large pulpy matter passes along the top of the gears and is discharged.
Warranty: No matter what kind of juicer you're getting, you want it to last. You should always get small appliances with some level of warranty, but normally the longer the warranty, the better. Not only does it show that a company is confident in its product, but it also means that if something does break, you won't have to shell out any extra cash. 
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