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  2. Does Apple Cider Vinegar Go Bad? Here's How to Know ... - AOL

    www.aol.com/does-apple-cider-vinegar-bad...

    Apple cider vinegar is made by fermenting the juice of crushed apples. During the first stage of fermentation, yeasts are added to convert the natural sugars in the apple juice into ethanol (aka ...

  3. Apple cider vinegar - Wikipedia

    en.wikipedia.org/wiki/Apple_cider_vinegar

    Apple cider vinegar, or cider vinegar, is a vinegar made from cider, [3] and used in salad dressings, marinades, vinaigrettes, food preservatives, and chutneys. [4] It is made by crushing apples, then squeezing out the juice. The apple juice is then fermented by yeast which converts the sugars in the juice to ethanol.

  4. Apple juice - Wikipedia

    en.wikipedia.org/wiki/Apple_juice

    Apple juice is a fruit juice made by the maceration and pressing of an apple. The resulting expelled juice may be further treated by enzymatic and centrifugal clarification to remove the starch and pectin , which holds fine particulate in suspension, and then pasteurized for packaging in glass, metal, or aseptic processing system containers, or ...

  5. Dissolved air flotation - Wikipedia

    en.wikipedia.org/wiki/Dissolved_air_flotation

    Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank basin. The released air forms ...

  6. Does One Bad Apple Really Spoil The Bunch? Here's What ... - AOL

    www.aol.com/news/safe-eat-produce-touched-other...

    Here’s what you should know about how spoiled fruits and vegetables can affect nearby items and how to decide whether it’s still OK to eat.

  7. How long does food last in the fridge after the power is out?

    www.aol.com/lifestyle/long-food-last-fridge...

    A handy trick is to keep a cup of frozen water in your freezer with a coin on top of the ice,” Roberts suggests. “If it melts, the coin drops to the bottom.

  8. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment.

  9. Aseptic processing - Wikipedia

    en.wikipedia.org/wiki/Aseptic_processing

    Aseptic processing was derived from Olin Ball's heat-cool-fill (HCF) machine that was developed in 1927. [5] While HCF was successful in improving the sensory quality of the processed chocolate milk as compared to canned product, the use of the equipment was hindered by its cost, maintenance, and inflexibility to process various container sizes, rendering the machine a failure.