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Related Concept Videos

Assessment of the Gastrointestinal System II: Health Perception Pattern01:29

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Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
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Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
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Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
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In general, a schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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Updated: Jan 9, 2026

Assessment of Social Transmission of Food Preferences Behaviors
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Preferences and Safety Perceptions Regarding Food Packaging Among Portuguese Consumers.

Jennyfer Castillo1, Leandro Oliveira2, Cíntia Ferreira-Pêgo2

  • 1School of Health Sciences and Technologies, Universidade Lusófona, 1749-024 Lisboa, Portugal.

Foods (Basel, Switzerland)
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Summary

Portuguese consumers show differing food packaging preferences and awareness. Health science professionals prefer bulk foods and exhibit higher safety awareness, unlike other consumers who favor plastic packaging and report more uncertainty.

Keywords:
chemical migrationconsumer perceptionfood contact materialsfood packagingfood safetyhealth risk

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Area of Science:

  • Food Science
  • Consumer Behavior
  • Public Health

Background:

  • Food packaging is vital for protection and safety but poses risks due to chemical migration.
  • Concerns exist regarding human exposure to contaminants from food packaging materials.
  • Understanding consumer perceptions is key to addressing food safety issues related to packaging.

Purpose of the Study:

  • To evaluate Portuguese consumers' preferences for food packaging.
  • To assess awareness, knowledge, and safety perceptions of food packaging.
  • To compare these factors between health science professionals and other consumers.

Main Methods:

  • A cross-sectional online survey was conducted from April to May 2021.
  • 253 Portuguese consumers (18-56 years) participated via social media.
  • Participants were divided into health sciences (124) and other fields (129).

Main Results:

  • Health science participants preferred bulk foods; others preferred plastic packaging.
  • Health science participants showed higher food safety awareness and less uncertainty.
  • Health science participants employed more preventive practices against packaging contaminants.

Conclusions:

  • Significant differences exist in food packaging preferences and safety awareness among consumers.
  • Health science professionals demonstrate greater awareness and adopt more protective behaviors.
  • Enhanced consumer literacy on food contact materials is crucial for safer food choices.