Low foam production: The foam that accumulates on top of your juice is a good indicator of how much air has been whipped into your juice by the machine, and more air exposure equals more oxidation. Oxidation is a controversial topic. As Harold McGee explains in On Food and Cooking: The Science and Lore of the Kitchen, “Because juicing mixes together the contents of living cells, including active enzymes and various reactive and oxygen-sensitive substances, fresh juices are unstable and change rapidly.” So the prevailing theory among juicers is that if less oxygen is whipped into a juice, the valuable nutrients and enzymes remain more intact. But as Kohler told us, there’s not much peer-reviewed research on how or if oxidation affects the nutrient contents of your juice. “It’s all manufacturers’ data for the most part,” he said, “which I take with a grain of salt.” That said, we still prioritized machines that produced less foam, because at the very least, oxidation can cause your green juice to turn brown, and may lead to some muddy, off flavors.

The Tribest Slowstar, a vertical single-auger, slow-press juicer, is the most versatile juicer we’ve found, efficiently handling thick greens, fruits, and root vegetables. In our tests, it yielded the highest amount of green juice and nearly the highest amount of hard-vegetable juice with low effort, experienced no motor jams, and generated minimal foam. It also has a generous feed-tube opening, which makes for quicker prep and easier juicing. This quiet machine is backed with a 10-year warranty that covers the motor and parts, one of the better guarantees among the juicers we tested.
The Tribest Slowstar, a vertical single-auger, slow-press juicer, is the most versatile juicer we’ve found, efficiently handling thick greens, fruits, and root vegetables. In our tests, it yielded the highest amount of green juice and nearly the highest amount of hard-vegetable juice with low effort, experienced no motor jams, and generated minimal foam. It also has a generous feed-tube opening, which makes for quicker prep and easier juicing. This quiet machine is backed with a 10-year warranty that covers the motor and parts, one of the better guarantees among the juicers we tested.
The machine’s individual parts have smoother surfaces than those on the older Omega VRT400, making this machine easier to clean. While cleaning the unit, I didn’t need to use the included cleaning brush at all; I just hosed down the parts with the spray nozzle on my sink. Our top pick takes a bit more effort to clean because it has small dimples at the bottom of the juicing screen, requiring use of the included brush to release all pulp.
While juicers like the Omega and the Tribest only filled one-half to two-thirds of a standard 8-ounce drinking glass, the Hurom gave us nearly a full glass. It’s a cold-press juicer, meaning it works a little slower, but is likely to squeeze more from your fruits and veg. You can run the Hurom with one of two filters — “low pulp” and “high pulp” — but our taste-testers reported the low-pulp option was still pretty pulpy. If you’re not a fan of all that fiber, we’d suggest the Breville, below.

Features: 700-watt motor operates at 20,000 RPM for maximum extraction Extra-large 3-inch centered feeding tube for juicing whole fruits and vegetables Removable parts for quick clean up Heavy-duty compact juice fountain with centered knife blade assembly Dishwasher-safe parts Includes 26-ounce (800ML) juice jug Two speeds perfect for juicing hard or soft fruits and vegetables (High juice rate) High speed for denser fruits and harder vegetables 20,000 RPM Low speed for leafy vegetables and soft fruit 16,000 RPM Safety locking arm prevents unsafe operation Stainless steel micro mesh filter basket Elegant 2-speed selector switch
The gist: For those looking to get the most out of their leafy greens, the Lexen GP27 is the way to *manually* do just that. This juicer is the solution for those that don't want to lay out hundreds for an expensive masticating juicer, but also don't want to settle for a cheap, crummy manual model. As the folks at The Healthy Juicer say, this thing was designed to be "simple, mobile, versatile, and easy to clean." Simple is right. To use, just put a put a juice cup under the spout, place your greens into the chute, and start churning.  Cleaning this thing is a breeze, since all you have to do is unscrew the parts, rinse them off in the sink, and boom—you're done. Thanks to its high juice-yield and cold-press technology, you can rest assured your greens will be nutrient-packed to the max. 

The gist: This Hamilton Beach model is perfect for either those who are just getting into juicing or even seasoned juicers who simply don't want to break the bank by spending several hundred bucks on a juicer.  It cranks out 800 watts of power and has a 3-inch-wide chute that you can fit whole foods into (for example, a whole apple), so you can spend less time cutting and prepping. All of the juicer's removable parts are dishwasher safe, which makes clean-up super easy. Plus, it even comes with a handy cleaning brush.

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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Whereas the Omega J8004 is a commercial-quality machine, the Omega NC800 is designed for household use. When it came to green juice, the output was almost identical. The carrot juice was a different story, though. The NC800 yielded only 12.3 ounces. John Kohler at DiscountJuicers.com said that this machine put out 15 percent more juice than its predecessor, but we found that it actually put out 25 percent less carrot juice than the J8004. The nice feature of this juicer is that it boasts a larger feed tube than its predecessor, which makes prep a little easier.
It does a superior, although not perfect, job with hard produce and zips through soft produce easily. It leaves some pulp that doesn't have all the nutritious fluid extracted from it but not enough to be a problem. On the downside, we had to do quite a bit of chopping ahead of time so that the pieces of fruit and vegetables would fit through the food chute. This juicer is easy to care for. It takes only a little time to assemble and clean, and various parts are dishwasher-safe. The machine also comes with a cleaning brush, as well as a froth separator and a tall pitcher. This is a big machine, and it is noisy but at a decibel level comparable with other good-quality juicers. You can get help with the juicer over email, but there is no phone number for customer support.
"... I have been juicing just about every morning for the past 3.5 weeks, and I have noticed a difference when using this juicer. While this juicer takes longer than the centrifugal force competitor, the pulp comes out very, very dry, and there are no chunks left un-juiced! It is also very easy to install, put together, and clean, takes less than a few minutes. I really like the suction cup feet on the bottom of this machine, it keeps it still while I am juicing, so I do not lose any juice. Also, I love the handle at the top of the machine, it is lightweight and easy to pick up and maneuver.
The Tribest handled a constant stream of kale and supersoft grapes without gumming up or stalling out, unlike the Hurom Elite, which had to be thrown into reverse a couple of times. In 2015, the yield from one pound of greens and grapes was 12.15 ounces by weight, the highest yield of all the juicers we tested. When we put the Slowstar and the Omega VSJ843 (our runner-up) in a head-to-head 1-pound spinach challenge, the Slowstar produced exactly one ounce more juice than the VSJ843.
If a significant portion of your calories are going to come from juice each day, mix up your produce. Go with veggie-heavy juices, using just a bit of fruit for sweetness. Alternate types of produce, and try something entirely new periodically. Farmers markets and ethnic grocery stores are great spots to find fruits and vegetables you’ve never tasted before. 
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