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Thai) 1:
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Previous research has demonstrated that colors of lighting can modulate participants’ motivation to consumethe food placed under the lighting. This study was designed to determine whether the colors of lightingcan affect the amount of food consumed, in addition to sensory perception of the food. The influence oflighting color was also compared between men and women. One-hundred twelve participants (62 menand 50 women) were asked to consume a breakfast meal (omelets and mini-pancakes) under one of threedifferent lighting colors: white, yellow, and blue. During the test, hedonic impression of the food’s appearance,willingness to eat, overall flavor intensity and overall impression of the food, and meal size(i.e., the amount of food consumed) were measured. Blue lighting decreased the hedonic impression ofthe food’s appearance, but not the willingness to eat, compared to yellow and white lighting conditions.The blue lighting significantly decreased the amount consumed in men, but not in women, comparedto yellow and white lighting conditions. Overall flavor intensity and overall impression of the food werenot significantly different among the three lighting colors. In conclusion, this study provides empiricalevidence that the color of lighting can modulate the meal size. In particular, blue lighting can decreasethe amount of food eaten in men without reducing their acceptability of the food.
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