Here’s how to spot microplastics in your food at home

Here are some things he suggested doing at home to catch microplastics in your food:

1. Homemade Density Test

One simple method to detect microplastics in food is the homemade density test. To perform this test:

• Fill a clear glass a quarter full with a dense liquid like vegetable oil, corn syrup, or honey.
• Add a small amount of the food sample: salt, sugar, or even water or juice.
• Stir the mixture and observe the behaviour of the sample.

Microplastics may float to the top, form layers or clumps, or sink unevenly. If the sample mixes evenly without any unusual behavior, it is likely microplastics-free.

However, Dr Singhla added that this method is not foolproof and might miss some microplastics or be influenced by other particles present in the food.

Microplastics, tiny plastic particles less than 5 millimetres in size, have become a growing concern due to their presence in various food products, including Indian salt and sugar brands, as found by a recent study. (File Photo)

2. Using Coffee Filters

Another method to check for microplastics, particularly in liquids, is by using a coffee filter or a 0.1-micron filter, Dr Singhla said:

• Pour the liquid through the filter and examine the residue.
• Microplastics might appear as tiny particles that do not dissolve or look out of place.

This method is useful for checking water or other beverages, though it may not be effective for solid foods.

3. Shake Test

For salt or sugar, you can perform a simple shake test, Dr Singhla said:

• Shake the container of salt or sugar and pour some out onto a dark surface.
• Look closely to see if any unusual particles fall out that do not resemble the rest of the contents.
• If you notice tiny particles that seem out of place, it might indicate the presence of microplastics.

To minimise the risk of contamination, it is important to regularly clean and sanitise your kitchen utensils, especially after using them for raw meat, poultry, or seafood. These practices will help reduce the likelihood of ingesting microplastics from kitchen utensils or food preparation surfaces.

While these home methods can provide some indication of the presence of microplastics, they are not entirely reliable, Dr Singhla warned. For accurate detection, it is best to send food samples to a laboratory where advanced testing can be performed. This will provide a clear understanding of the levels of microplastics in your food and their potential impact on your health.

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