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Retail display case lighting applications

Visual Appeal Of Fresh Meat in Supermarket Merchandisers

Consumers judge the freshness of meat by its color, but many lighting sources distort true colors.

COLOR AND MEAT FRESHNESS IN GROCERY STORE DISPLAY CASES
Impulse buying accounts for over a third of all meat purchases from self service meat cases and is related to the visual appeal of the meat. Over 40% of interviewees judged the freshness of meat by its color. <more...>

LIGHTING SOURCE AND PERCEIVED MEAT COLOR IN SUPERMARKET CABINETS
Meat color is a relative phenomenon determined by the spectrum emitted by the light source. Supermarket lights that emit high levels of green and yellow wavelengths and very little of the red and blue wavelengths distort the true color of the meat. <more...>

For meat science references and excerpts click here.

Promolux True Color Definition Lamps

Promolux meat display case lighting is balanced for true color definition, revealing the bright red of blooming beef muscle without compromising the white of the fat marbling. 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.

Fresh Meat Displays

Regular supermarket meat display case lighting shortens the brief period when meat is blooming, turning it brown prematurely; increases the rate of bacterial growth; and distorts the meat’s natural color.

VISUAL APPEAL OF FRESH MEAT IN SUPERMARKET MERCHANDISERS
Consumers judge the freshness of meat by its color, but many lighting sources distort true colors. <more...>

COLOR OF FRESH MEAT IN SUPERMARKET DISPLAY CASES
The color of fresh meat is determined by the pigment myoglobin, which undergoes various chemical reactions to form other pigments. These reactions are triggered by light, heat, and oxygen availability. <more...>

SPOILAGE OF FRESH MEAT IN COMMERCIAL SHOWCASES
The growth of bacteria leads to meat spoilage. Most display case lighting emits radiation which raises meat surface temperatures even in refrigerated display cases, leading to exponential bacterial growth. <more...>

MEAT REWRAPS IN GROCERY STORE MEAT CABINETS
Meat that doesn’t sell can be sold more cheaply by rewrapping it, such as grinding it, marinating it, or even cooking it, but this still represents a loss in terms of additional labor costs and realizing a smaller profit. <more...>

MODIFIED ATMOSPHERE PACKAGING (MAP) FOR RETAIL DISPLAYS OF FRESH MEAT
Modified atmosphere packaging controls the amount of oxygen surrounding the meat, but the transparent wrapping traps radiant heat from lighting which leads to dehydration and spoilage. <more...>

FRESH BEEF DISPLAYS IN SUPERMARKET MEAT DEPARTMENT SHOWCASES
The color of beef changes dramatically under supermarket fluorescent lighting from full bloom red to dull brown. Beef spoilage and rewraps cost the United States $1 billion per year and Canada $200 million per year. <more...>

FRESH POULTRY DISPLAYS IN GROCERY STORE MEAT MERCHANDISERS
Radiation from meat display case lighting leads to an increased rate of bacterial growth and decomposition in poultry displays. <more...>

FRESH PORK DISPLAYS IN SUPERMARKET MEAT DISPLAY CASES
Pork shelf life is limited more by discoloration than by spoilage. High surface temperatures accelerate discoloration and can lead to lipid oxidation of pork fats, causing the pork to become rancid. <more...>

PROCESSED AND CURED MEATS IN RETAIL MEAT SHOWCASES
Grinding meat and stirring in herbs exposes lean tissue and fat to light and oxygen, making the product susceptible to discoloration and rancidity. The color of cured meat is very unstable when exposed to ultraviolet light. <more...>

PROMOLUX The Professional Choice For Fresh Meat Displays.