prototype : university OF OREGON
ELECTROMAGNETIC SPECTRUM. Radiation waves within this spectrum — including radio waves, microwave, infrared light, visible light, ultraviolet easy, roentgenogram and gamma rays — differ only in terms of wavelength, which is directly related to the amount of energy they carry. The shorter the wavelength, the higher the department of energy. Microwaves have relatively long wavelengths and, as a result, little energy .
There is no evidence that eating microwaved foods is damaging to humans or animals. Microwaves are low-energy waves that, like visible light, fall within the electromagnetic spectrum. Like all electromagnetic waves, they are composed of photons, but the photons in microwaves have so small department of energy that they are unable to cause chemical changes in the molecules they encounter — including those in food. They are non-ionizing waves and do not leave a residue.
When food absorbs the energy in microwaves, ions in the food polarize and arctic food molecules rotate, causing collisions. It is these collisions that generate friction with the surrounding matrix ; the friction cursorily produces a fortune of heat.
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adenine far as we know, microwaves have no nonthermal effect on food. The only chemical and physical changes result from the heat generated. For exemplify, if the food is heated to identical high temperatures, proteins and carbohydrates may be hydrolysed, sealed vitamins will be destroyed, and sugars and proteins may interact ; the same reactions occur in foods heated in regular ovens at high temperatures. In fact, some of these changes are less obvious in foods heated in microwaves because the temperature emanation is much faster than it is in regular ovens. Longer heating periods can lead to greater physical and chemical changes. For this reason, the nutritional timbre of microwaved foods is often superscript. For exemplar, when vegetables are steamed on a stove, the water system used to cover the vegetables can leach away some of their valuable vitamins ; in a microwave, though, extra urine is not needed. Peter McIntyre, physics professor at Texas A&M University, adds the following information: When food is placed in a microwave oven, the electromagnetic fields from the oven induce electric currents within the water in the food. Because all of our food ( like ourselves ) is by and large water, this tactic is a pretty good manner to generate heat uniformly throughout a helping of food. That is besides why it is possible to heat food more promptly in a microwave oven than in a ceremonious oven, where the food must be heated from outside in. Microwaves do nothing more to food than heat it. There is no tell that microwaves change the writing of food or have any other damaging effects .