Microplastic Found in Cheese Spark Health Concern
A new study by researchers from the University of Padua, Italy, has found microplastic particles in nearly all dairy samples, raising concerns about food safety and long-term health effects.
The study analyzed 28 dairy samples, including milk, fresh cheeses like mozzarella and paneer, and aged cheeses such as cheddar and Parmesan. While milk showed an average of ~350 plastic particles per kilogram, aged cheese contained more than 1,000 microplastic fragments per kilogram, mainly polyethylene, polypropylene, and PET.
Researchers believe contamination occurs at multiple stages — through animal feed, milking equipment, water, plastic containers, and packaging materials. The Times of India report notes that these microplastics may interfere with blood sugar regulation, liver function, hormones, and gut microbiome health, although evidence remains preliminary.
Experts suggest consumers choose fresh over aged cheeses and avoid long-term storage of dairy in plastic containers.
Industry Insight:
This study underscores an emerging dimension of dairy safety — moving beyond microbial and chemical residues to now include microplastic contamination.
Cheese makers and dairy processors may face pressure to review packaging materials, hygiene protocols, and plastic handling across the value chain. For India, where traditional paneer and ghee dominate, the risk may be lower — but industrial cheese production could attract future scrutiny.
Microplastic monitoring is not yet part of India’s FSSAI quality standards, but as global awareness rises, regulators and brands will likely move toward plastic-free certifications and stricter quality audits.
Companies that proactively invest in non-plastic equipment, stainless steel fittings, and biodegradable packaging can position themselves as leaders in clean, sustainable dairy production — turning a risk into a market advantage.
Key Numbers at a Glance
| Parameter | Observation | Source / Note |
|---|---|---|
| Samples analyzed | 28 dairy products (milk & cheese) | Univ. of Padua study |
| Milk contamination | ~350 particles/kg | Avg. across liquid samples |
| Aged cheese contamination | >1,000 particles/kg | Highest in cheddar, Gouda, Parmesan |
| Fresh cheese contamination | <400 particles/kg | Lower in mozzarella, paneer, ricotta |
| Plastics detected | PET, polyethylene, polypropylene | Common packaging materials |
| Potential health risks | Blood sugar disruption, liver stress, hormonal imbalance | Experimental evidence |
| Recommended consumer action | Prefer fresh dairy; reduce plastic contact | Times of India, 2025 |
DairyNews7x7 Takeaway:
Microplastic contamination may soon join antibiotic residues and adulteration as a key consumer trust challenge.
India’s dairy sector must act early — strengthening traceability, clean packaging, and stainless processing lines — before perception overtakes proof.
Source : Dairynews7x7 Oct 18th 2025