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Retail display case lighting applications |
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Commercial Candies and Chocolates in Candy Shop Showcases
Display lighting in commercial candy and chocolate showcases can damage
the candies and chocolates if the lamps emit high levels of UV radiation
and yellow wavelengths.
Color Distortion of Candies in Retail Merchandisers
Regular retail display case lighting
distorts the true colors of candy displays. Fluorescent lamps are skewed
to emphasize yellow and green,
and do not display white or red colors accurately. Candies need to
be illuminated with display lighting that is balanced to reveal their
natural bright colors, such as Promolux true color definition lamps.
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Color Fading of Candies in Candy Shop Showcases
UV
and visible spectrum radiation from the sun and from supermarket merchandiser
lighting triggers photochemical reactions that cause the
bright colors of food dyes to fade. When combined with the effect
most retail store fluorescent lights have of emphasizing yellow and green,
candy display case lighting can actually create a less than ideal
display.
Promolux balanced color spectrum lamps, on the other hand, reveal
the true colors of candy displays, while emitting lower levels of the
harmful
radiation that causes colors to fade.
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Chocolate Blooming of Commercial Chocolate Displays
The heat from chocolate display case lamps can raise the surface temperature
of chocolate to above 70 degrees Fahrenheit, which causes the white cocoa
butter to separate from the dark cocoa and form a white film, a process
called chocolate blooming.
Temperature changes can also cause moisture
to form on the surface of the chocolate, which can leave a white coating
of sugar crystals as this moisture evaporates.
Promolux Safe Spectrum
lamps emit lower levels of radiation than other chocolate display
case lamps, reducing the heating effects most retail display lamps have,
and making them safe for chocolate displays.
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Promolux True Color Definition Lamps
Compared to other fluorescent lighting, Promolux Safe Spectrum lamps
emit 86% lower UV B radiation, a shorter wavelength that penetrates and
causes heating, and 52% lower UV A radiation, a longer wavelength that
tends to affect surfaces. Because Promolux lamps are designed for true
color definition, they have a more balanced visible spectrum than other
fluorescent lamps. The yellow and green wavelengths that are predominant
in regular fluorescent lighting are the most damaging wavelengths in
the visible spectrum.
Promolux lamps emit a more balanced range of wavelengths,
including more of the red and blue wavelengths and more moderate levels
of the yellow and green wavelengths. It is impossible to create a natural
light that does not have any yellow or green wavelengths, so light
sources will always be damaging to some extent. However, since Promolux
Safe
Spectrum lamps minimize the emission of damaging visible spectrum and
UV wavelengths, using Promolux lamps will prolong bakery shelf life
by up to 50% and reduce shrinkage by 30% to 50% compared to the shrinkage
caused by standard lights. These savings will vary depending upon the
duration of light exposure, the type of packaging used, and the composition
of the bakery product.
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