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.

Masticating juicers use an Auger, which is very similar in appearance to a drill-bit. Mos feature some sort of cork-screw type design that chops up food while pressing it forward at the same time. This is a very efficient means of applying force and therefore requires the less powerful motor. Typically, a masticating juicer’s auger is made of a high-density plastic like the GE Ultem found on the Breville 800JEXL. the use of these durable materials is favorable, considering the auger is the part doing all the work.
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.
"Love it, love it, love it. Why'd I wait so long??? I love everything about this juicer (except maybe the extra time it takes to make all that juice from the leafy greens, but you know what, it's time well spent because it's SO relaxing watching healthy juice being created as you spin the lever). I'm ditching my centrifugal juicer forever. I set up the base of this unit on my counter permanently which means about a 1 minute set up time (and probably 2-3 minutes to take apart and rinse off). Unlike the bigger, heavier juicers, these smaller pieces are so easy to wash and manage and store, light and small it all fits in a drawer and doesn't take up half of my cabinet space. And it juices most everything. I make citrus juice, cucumber/celerey juice, etc. I get about 1 cup of spinach juice from those 1lb. containers, than I freeze the spinach fiber in tablespoon sizes and throw in my smoothies (especially good with bananas) or in my soups/stocks/eggs. As for the turning of the lever, you will turn it for a while, more than you'd like to in this fast paced society, but it is effortless and like I said, fun to watch the juice produce through the clear plastic cylinder. Time passes quickly. I imagine too that the more I do this the quicker I'll become. It also pieces together with such ease and safety (so great for kids!!!)..."
For those just trying out the juicing trend, on a budget, or who will only be juicing every now and then; the Hamilton Beach Big Mouth Pro is an incredible value. Retailing at only $50 it has features that rival much more expensive models. A 3” chute means much less time prepping fruits and vegetables for juicing–it even handled whole carrots and whole apples with no problem. Easy to assemble, clean, and use; this centrifugal model has a 1.1 horsepower motor (equivalent to about 820 watts). It’s small enough to fit under the counter but note that it’s largely made of plastic so it may not have the aesthetic you’re looking for. It comes with a small 20 oz pitcher but the height of the juice spout means it’s simple to use your own pitchers for larger batch juicing (and it has a large external pulp container too). This model did a fantastic job on all our tests and produced high quality, high volume juices–it even handled notoriously tricky to juice kale extremely well. We highly recommend this juicer as a starter model or for those who may not juice often but want the option to. It comes with a 3-year warranty and receives gret reviews online.
We invested 96 hours in testing and evaluating juicers, measuring the amount of juice versus pulp each produced, the amount of froth created, and how much prep work was needed to get fruits and vegetables to fit through the food chute. In some cases, we had to spend quite a bit of time chopping hard produce into small- or medium-sized pieces, while other juicers had chutes so big we could simply cut an average apple, orange or beet into quarters. We also evaluated how much pressure we needed to exert to push fruits and vegetables through the juicer.
Feeder tubes are the parts of juicers where the food is inserted. The larger your feeder tube, the more fruits, and vegetables you’ll be able to cram in at once. Some less-expensive juicers have tops that come off completely, similar to blenders. Juicers with feeder tubes also offer the advantage of being able to press the fruits and veggies into the juicer, helping to chop and grind them up.
Omega’s newest vertical masticating cold juicer the VSJ843 is a great choice if you plan to juice leafy greens often and want easy clean up and easy storage. Standing at a squat 15.5 inches, this quiet and low profile juicer will easily fit under low-hanging cabinets or tuck away in a closet too. It’s also available in several colors and two different shapes to suit your style. This juicer’s large feed tube and auger work faster than other masticating juicers and easily handled all produce types from whole leaves of kale to strawberries, carrots, and apples. We got high yields of perfectly smooth juice with little to no pulp. The auger design also makes it much easier to clean than typical masticating juicers; Omega’s “Easy Clean” feature continually sweeps away pulp as you juice so most surfaces just need a quick rinse in between produce types. It worked quickly and quietly and can also be used to make nut milks, frozen fruit sorbets and smoothies. This model comes with a 15-year warranty and is perfect for frequent quality juicing of leafy greens and other produce with easy cleanup.
Before you even glance at any of the products sold in the market today, you need to be able to differentiate between the two types of juicers. Centrifugal juicers are the most affordable in the market. These typically have a metal blade that whirls around to cut the fruits and veggies and then spins the pieces to extract the juice from the pulp. Centrifugal juicers are usually cheaper, fast, easy to use, and easy to clean. However, they also have a lower juice yield, generates more foam (lessens the juice’s shelf life), and are generally not good at juicing leafy greens.
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 

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.
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