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Issue Date: Vol. 53, No. 3, March 2013, Posted On: 3/15/2013


Cornell Study Finds Green Calorie Labels Impart 'Healthy' Perception


Emily Jed
Emily@vendingtimes.net
TAGS: vending, vending machine, vending business, green calorie labels, Cornell University, Health Communication, Jonathon Schuldt, Cornell University, front-of-package labeling

ITHACA, NY -- Green calorie labels may lead people to view sugary snacks in a healthier light, according to a new study. A Cornell researcher says in the current issue of the journal Health Communication that consumers are more likely to perceive a candy bar as more healthful when it has a green calorie label than when it has a red one -- even though the bar, and the number of calories, are the same.

"More and more, calorie labels are popping up on the front of food packaging, including the wrappers of sugary snacks like candy bars. And currently, there's little oversight of these labels," said Jonathon Schuldt, assistant professor of communication and director of Cornell's Social Cognition and Communication Lab. "Our research suggests that the color of calorie labels may have an effect on whether people perceive the food as 'healthy,' over and above the actual nutritional information conveyed by the label, such as calorie content."

Schuldt asked 93 university students to imagine that they were hungry and looking at a candy display while waiting in a grocery checkout lane. The students were then shown an image of a candy bar with either a red or a green calorie label. Schuldt asked them whether the candy bar, compared to others, contained more or fewer calories and how "healthy" they thought it to be. The students perceived the green-labeled bar as more healthful than the red one, even though the calorie content was the same.

Schuldt repeated the experiment with 39 online participants who were shown candy with either green or white labels. The participants were asked to what extent the healthiness of food affects their decisions about which foods to buy and eat, on a scale of 1 (not at all important) to 7 (very important).

The more importance the participants placed on "healthy" eating, the more they perceived the white-labeled candy bar as being less healthful. This unfavorable impression did not occur when the candy bar had a green label.

"The green calorie labels buffer relatively poor nutrition foods from appearing less healthful among those especially concerned with healthy eating," Schuldt concluded.

The researchers emphasized that the findings have implications for nutrition labeling, given that front-of-package calorie labels have become increasingly common in the food marketplace in the United States and Europe. He instanced candy brands like M&M's and Snickers as examples that have green front-of-package calorie flags that are particularly conspicuous to consumers at points of purchase.

"As government organizations, including the U.S. Food and Drug Administration, consider developing a uniform front-of-package labeling system for the U.S. marketplace, these findings suggest that the design and color of the labels may deserve as much attention as the nutritional information they convey," Schuldt said.

Click here to read the Health Communication article, "Does Green Mean Healthy? Nutrition Label Color Affects Perceptions of Healthfulness."


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