|Just the Cuke, (Juice, that is)
by John Kohler
I started out by weighing the cukes, the weights are shown below.
I decided to use Cuke #4 , #6 and #7. #6, and #7 were trimmed down to equal the weight of 4, to give me a starting weight of 14 ounces.
The following juicers were used
With the single auger machine, the cuke was cut down the middle lengthwise to make 2 long strips. These strips still did not fit into the feed chute so they had to be cut again to yield 4 long strips. These strips were fed into the juicer at a moderate speed to ensure the juicer did not backup and had adequate time to juice. The pulp that came out of single auger juicer was put back through the machine a total of 5 times to increase the yield.
With the centrifugal ejection machine, the cuke was cut down the middle lengthwise, to make 2 long strips. The strips were fed into the juicer at a slow pace. If the produce is pushed in too fast, yield will be less. The cucumber was put through the machine once, and the pulp discarded. (with this extraction method, it would be almost useless to feed the pulp back through the machine, since very little additional juice would be extracted)
As you can see all the juicers performed fairly well on the cucumbers.
The Single Auger produced the least juice. This was a disappointment, as the "newest" style juicer on the market was reported to perform as good as the twin gears. Well in juicing cucumbers, this is just not the case. The juice was more pulpy than the juice of the twin gear unit. The cleanup on this unit is pretty intense. The screen has many holes, and takes a good scrubbing to get clean, there were a total 6 pieces to clean (aside from the pulp and juice catch bowls)
The centrifugal ejection Juicer- performed well. It produced only 8% less juice than the Twin Gear Juicer, and it did it on the first shot. The juice had little to no pulp. Proving that this juicer would juice the fastest, and also is the easiest to cleanup. (3 main parts to clean)
If I had to rate the quality of the juice produced, based on my experience, I would rate the twin gear and the single auger having the highest quality of juice produced, because of the LOW RPM that is used while extracting the juice. Generally the lower the RPM, the lower the oxidation. The centrifugal juicer provided the highest RPM, thus the highest level of oxidation.
Furthermore, I believe the twin gear juicer extracts the most nutrition out of the produce since it literally "presses" the juice out of the produce, next up would be the single auger juicer, and finally the centrifugal ejection juicer.
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