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<p>Nano-enhanced functional foods (NEFFs) represent a frontier in food innovation, enabling superior nutrient delivery, bioavailability, and stability through nanoscale carriers such as liposomes, nanoemulsions, and polymeric or protein-based systems. Despite their technological promise, societal acceptance of NEFFs remains hindered by psychological and perceptual barriers. This review integrates advances in materials science with insights from consumer psychology to explain the factors shaping public attitudes toward nanotechnology in food. It highlights how perceptions of risk, benefit, naturalness, and trust in regulators influence acceptance, alongside cultural and social factors that govern consumer behavior. Frameworks including the Perception–Attitude–Acceptance (Nano-PAAF) model, Theory of Planned Behavior, and Social Cognitive Theory are applied to interpret acceptance dynamics and guide communication strategies. The paper further outlines approach to enhance acceptance through transparent labeling, health-focused framing, eco-certification, and educational interventions that foster informed trust. By linking technological efficacy with psychological understanding, this review emphasizes that responsible innovation in nano-enabled nutrition requires concurrent attention to safety, transparency, and public engagement for sustainable market adoption.</p>

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A review on consumer acceptance and psychological barriers to nano-enhanced functional foods

  • 期刊论文

  • 发表日期：

    2026年2月6日

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  • Ankitdeep Kamboj,
  • Gursabeen Kaur,
  • Harshita Jain,
  • Lovepreet Singh

摘要

Nano-enhanced functional foods (NEFFs) represent a frontier in food innovation, enabling superior nutrient delivery, bioavailability, and stability through nanoscale carriers such as liposomes, nanoemulsions, and polymeric or protein-based systems. Despite their technological promise, societal acceptance of NEFFs remains hindered by psychological and perceptual barriers. This review integrates advances in materials science with insights from consumer psychology to explain the factors shaping public attitudes toward nanotechnology in food. It highlights how perceptions of risk, benefit, naturalness, and trust in regulators influence acceptance, alongside cultural and social factors that govern consumer behavior. Frameworks including the Perception–Attitude–Acceptance (Nano-PAAF) model, Theory of Planned Behavior, and Social Cognitive Theory are applied to interpret acceptance dynamics and guide communication strategies. The paper further outlines approach to enhance acceptance through transparent labeling, health-focused framing, eco-certification, and educational interventions that foster informed trust. By linking technological efficacy with psychological understanding, this review emphasizes that responsible innovation in nano-enabled nutrition requires concurrent attention to safety, transparency, and public engagement for sustainable market adoption.