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Related Concept Videos

Plasticizers01:31

Plasticizers

183
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
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Types of Toxins01:36

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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
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Bioremediation00:46

Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

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In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
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Related Experiment Video

Updated: Nov 11, 2025

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
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Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis

Published on: July 1, 2017

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Tackling the toxics in plastics packaging.

Jane Muncke1

  • 1Food Packaging Forum Foundation, Zurich, Switzerland.

Plos Biology
|March 30, 2021
PubMed
Summary

Plastic packaging pollutes the environment and leaches harmful chemicals into food. Addressing chemical migration requires systemic change in toxicity assessment and innovation for safer food packaging solutions.

Area of Science:

  • Environmental Science
  • Food Safety
  • Toxicology

Background:

  • Plastic packaging is a major contributor to global plastic pollution.
  • Current end-of-life solutions for plastic packaging, like recycling, and alternatives like paper, often overlook chemical migration.
  • Chemicals from packaging can transfer into foodstuffs, becoming part of the human diet.

Purpose of the Study:

  • To highlight the issue of chemical migration from plastic food packaging into foodstuffs.
  • To discuss the inadequacy of current toxicity assessments for chemicals in food packaging.
  • To provide an outlook on future strategies for mitigating chemical contamination from food packaging.

Main Methods:

  • Literature review and critical analysis of current practices in food packaging safety.

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  • Discussion of the toxicological implications of chemical migration.
  • Exploration of potential innovations for systemic change.

    • Main Results:

    • Chemical migration from plastic packaging into food is scientifically undisputed.
    • Plastic packaging is a significant source of human exposure to synthetic, hazardous, and untested chemicals.
    • Existing methods for assessing the toxicity of chemicals in food packaging are insufficient.

    Conclusions:

    • Chemical migration from food packaging poses a serious risk to human health.
    • There is a critical need to improve the assessment of chemical toxicity in food packaging.
    • Future solutions must integrate knowledge and drive systemic change to address both plastic pollution and chemical migration.