Related Experiment Video
Updated: Jul 10, 2026
08:21
Forming Micro-and Nano-Plastics from Agricultural Plastic Films for Employment in Fundamental Research Studies
Published on: July 27, 2022
A Comprehensive Review on Microplastic Contamination in Food Packaging and Processing: Pathways, Exposure, and
Apurva Chittoda1, Tapash Chakraborty2, Samson K Wilson1
1Department of Pharmacology, GITAM School of Pharmacy, GITAM (Deemed to be University), Visakhapatnam, Andhra Pradesh, India.
Summary
Microplastics (MPs) and nanoplastics (MNPs) are a growing concern in food systems, originating from packaging. Their detection and toxicological risks are underestimated due to analytical limitations, necessitating preventive measures.
Area of Science:
- Environmental Science
- Food Safety
- Toxicology
Background:
- Microplastics (MPs) and nanoplastics (MNPs) are increasingly detected in food systems, posing a global concern.
- Previous studies may have underestimated risks by omitting nanoscale plastic fractions.
- Food packaging is a significant, often overlooked, source of MP contamination in food.
Purpose of the Study:
- To review the sources, migration, analytical techniques, health effects, and prevention of MPs in food packaging.
- To highlight research gaps and challenges in developing sustainable food packaging.
Main Methods:
- Literature review of existing studies on MPs in food packaging.
- Analysis of various analytical techniques for MP detection and characterization.
- Synthesis of toxicological data and proposed preventive measures.
Main Results:
- MPs and MNPs are found in various packaged foods, with up to 90% of particles in bottled water being MNPs.
- Food packaging releases MPs during handling, processing, and storage, impacting consumer health.
- Toxicological effects include bioaccumulation, oxidative stress, endocrine disruption, and microbiota imbalance.
Conclusions:
- Reducing MP exposure requires improved manufacturing, sustainable packaging alternatives, and regulatory actions.
- Addressing methodological challenges in MP analysis is crucial for accurate risk assessment.
- Further research is needed to develop safe and sustainable food packaging solutions.
More Related Videos
Related Concept Videos
01:28Microbial Bioremediation of Plastics
Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
01:29Sources of Food Contamination
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
01:27Bioplastics
Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
01:24Microbial Corrosion
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
01:30Environmental Applications of Microorganisms
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
01:36Types of Toxins
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...
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...