Cold Pressed JuiceCarlos Reyes
Fresh vegetable juice is a key element in maintaining or recovering excellent health. Raw vegetable juices get the nutrients from inside the plant cells into the liquid form to be easily digested and allow you to easily consume more vegetables. And the living vitality of the juice means that you are getting all of the known and unknown nutrients available in the plant. Nothing is destroyed by heat or processing.
Sometimes it is difficult to get the juicer out and make time to prepare juice. Or you want some more variety. Or you find yourself out on town and need a pick-me-up sort of food to keep you going. But you want to stick to your diet program. If only there was a convenient answer…
Besides juice powders, like CarrotJuiceMax, new products have been introduced to the market offering “fresh” juice by the bottle. Products like Suja Juice and BluePrint Juice have shown up in common grocery stores and Wal-Mart. Project Juice, Life Juice, and Cooler Cleanse have made a niche in juice cleansing packages. Even StarBucks has gotten into the game, with their Evolution Fresh line of juices.
These juices are made fresh in a juice press, put into single serving size bottles, and then exposed to massive high pressures, equivalent to about 6,000 atmospheres. This extremely high pressure destroys the cell membranes of any bacteria present in the juice, making it much safer to ship and put onto a shelf for a couple of weeks. Normal raw juice does not last this long.
While this juice may be convenient for some, is it raw? Has the high pressure processing destroyed the vitality and enzymes in the juice? How can it last so well on the shelf if it is raw? How much damage is done to the nutrients by this processing? How do these juices compare to freshly extracted juice? Is it worth buying these juices?
Three freshly extracted juices were compared with four Cooler Cleanse juices, 6 Project Juice juices, 5 Suja Organic juices, and 2 Evolution Fresh juices. The Cooler Cleanse juices are not processed by high pressure processing (HPP), but the other three brands are processed by HPP. The actual amount of enzyme activity seemed to be more related to the actual blend of vegetables and fruits in the juices rather than the kind of processing to which each juice was subjected. Also, some blends of juices are made with more enzymatically potent vegetables, such as dark leafy greens and carrots, while others have more water vegetables in them, like celery and cucumbers.
This being said, it could be noted that the freshly extracted juices and the Cooler Cleans juices (non-HPP) were towards the top of the list, rather than at the bottom. This might be due to the combination of produce in them rather than due to differences in processing.
A direct comparison of juices before and after HPP has not yet been done the the Raw Food Lab.
There is no evidence that HPP destroys enzyme activity. These HPP juices are a fresh option now available in stores around the country. Previously only flash pasteurized juices were available. The flash pasteurization process completely deactivates all of the enzymes in the juice. This is not the case with HPP. These HPP juices are a viable option and will supply you with raw, living nutrition that will help you thrive.
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