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Updated: Jul 16, 2025

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
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Promoting plant-based eating in meat-centric meal contexts: a field study.

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A short intervention successfully boosted plant-based meal choices in a university canteen, increasing vegetarian meal sales. However, these positive effects on sustainable food practices were not fully sustained long-term.

Keywords:
Communal cateringInterventionPlanetary health dietPlant-based dietsSustainability

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Area of Science:

  • Nutrition Science
  • Sustainable Food Systems
  • Behavioral Science

Background:

  • Transitioning to plant-rich diets is crucial for healthier and more sustainable food systems.
  • Meat-centric diets pose challenges to widespread adoption of plant-based eating.

Purpose of the Study:

  • To assess the effectiveness of a short-term intervention promoting plant-based eating in a canteen setting.
  • To evaluate the impact of environmental restructuring and improved plant-based meal offerings on consumer choices.

Main Methods:

  • A 1-week intervention was implemented in a university canteen, employing environmental and menu strategies.
  • Sales data (baseline, intervention, follow-up) and customer opinion surveys (n=370) were used for evaluation.

Main Results:

  • Vegetarian meal sales increased by 24% during the intervention week and 9% in the follow-up period compared to baseline.
  • Customer surveys indicated vegetarian meals were favorably rated for liking, sustainability, and satiety compared to meat/fish options.

Conclusions:

  • A brief, feasible intervention can effectively promote plant-based meal selections in collective dining environments.
  • Sustaining these dietary shifts requires further investigation into prolonged or more intensive interventions for entrenched food practices.