vendredi 19 juillet 2013

Light Is A New Innovation In Refrigerators

By John Brown


When you little, you may have remembered about trying to 'catch' the light when opening the fridge door to see if it always remained on or only turned on during certain times. Not long after, you would learn that the fridge would stay dark when the doors were closed. New research in food preservation may be able to shed some light into how we can improve on our current fridges.

Did you know that the vegetables and fruits that you keep in your small chest freezer are still alive? In a similar way when flowers continue to live on nutrients and water, even when cut, so too will your groceries survive under optimal conditions. Of course, you could leave these foodstuffs in the relevant drawers, but there may be a better method of expanding the life of the produce that we store inside by using light.

If you think about it, it does makes sense that light can used to help preserve your fruits and vegetables for longer. Light is essential for vegetation to live since they respond to this. When in their natural habitat, plants will also experience the day and night cycle, just like all living creatures. Also, it is known that light is the time for being awake and the darkness is the time for rest. Therefore, daylight is the time for plants to grow and survive by biological means, namely by photosynthesis.

Now, take that knowledge and apply it to your refrigerator. What is it like inside yours? Dark. And when you place your produce inside, your produce stays in the dark except for brief periods of time when the doors are opened. This darkness makes the produce think it is constantly night. But, if you add scheduled times of light to the inside of your refrigerator, it will provide fruits and vegetables with a sense of daytime, causing them to stay fresh and nutritious longer than they otherwise would in the dark.

This scientific research is relatively recent, but it is definitely something worth looking into. It is certainly possible that future refrigerators will have built in cycles of light and dark to match the circadian rhythms of fruits and vegetables, allowing up to twelve hours of light every day. Similar to every person on Earth, they will wake up during the cycle of light and go to sleep during the cycle of darkness, enabling them to retain their nutritious benefits for longer.




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