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Without pasteurization or high-pressure processing (HPP), cold-pressed juices can be stored in a refrigerator for up to three days when phytochemical and micronutrient degradation occurs. [6] Some juicers use technology that helps delay oxidation which can allow for slightly longer storage in refrigerators.
Juice is extracted by pressing or grinding a halved citrus along a juicer's ridged conical center and discarding the rind. Some reamers are stationary and require a user to press and turn the fruit, while others are electrical, automatically turning the ridged center when fruit is pressed upon.
Juice is prepared by mechanically squeezing or macerating (sometimes referred to as cold pressing [16]) fruit or vegetable flesh without the application of heat or solvents. For example, orange juice is the liquid extract of the fruit of the orange tree, and tomato juice is the liquid that results from pressing the fruit of the tomato plant .
My master’s thesis was “Effects of high pressure processing on the microbiological, physical and sensory properties of pasteurized fluid milk products.” (A riveting 101-page read for sure.)
As for how you can protect yourself, the agency noted that most juices sold in the U.S. will carry a label noting it is pasteurized or treated by another non-heat process that also kills harmful ...
Unrefined, first cold-pressed, raw: 107 °C [22] 225 °F Sunflower oil, high oleic: Refined: 232 °C: 450 °F [3] Sunflower oil, high oleic: Unrefined: 160 °C: 320 °F [3] Vegetable oil blend: Refined: 220 °C [13] 428 °F
Gormly agrees, noting that "for food safety reasons, it’s best to get a pasteurized version when purchasing apple cider." This article contains affiliate links.
Masticating (also referred to as cold pressed [5]) – utilizes a single gear driven by a motor; slower operation; kneads and grinds items placed in a chute; Centrifugal – (also referred to as high-speed juicing) – utilizes a spinning blade that resembles a grated basket; faster operation; quickly grinds items and discards pulp in a receptacle