Frozen Berries in Austrian Supermarkets Safe to Eat

Frozen Berries in Austrian Supermarkets Safe to Eat

Image: APA/Robert Günther

 

Frozen berries sold in supermarkets have been found to be free of harmful germs like norovirus and hepatitis A, according to a new study by Austria’s Consumers’ Association (VKI).

However, for those keen to avoid pesticides, the advice is to choose organic products.

Pesticides Found in Non-Organic Berries

The study tested nine frozen berry mixes and nine frozen raspberry products, finding traces of up to six different pesticides in conventional options. “Although the levels detected were low, traces of multiple pesticides were found in non-organic products,” explained nutritionist Teresa Bauer.

One particular “forest berry mix” contained fenpropathrin, an insecticide banned in the EU but still allowed in small quantities in imports from non-EU countries. Following the findings, retailer Spar halted the distribution of the affected batches as a precaution.

In contrast, organic berries were found to be entirely free of pesticides, offering a safer choice for consumers concerned about chemical residues.

Pathogens Not a Concern

The tests provided reassurance for berry lovers, as no traces of norovirus or hepatitis A were detected in any of the 18 products. Other microbes were found in only a handful of cases and at very low levels.

This means frozen berries can generally be enjoyed uncooked, making them ideal for smoothies or breakfast bowls.

Nonetheless, health experts urge caution for vulnerable groups such as pregnant women, young children, older adults and those with weaker immune systems. “To ensure safety, frozen berries should be heated to at least 90°C to kill any potential pathogens,” Bauer recommended.

Labelling Transparency Criticised

The study also raised concerns about the lack of clear information on product packaging regarding the origin of the berries. Only two products tested listed their source on the label.

When questioned, 11 manufacturers disclosed specific countries of origin, but five gave only vague descriptions such as “EU and non-EU”.

The findings have sparked calls for stricter labelling regulations and greater transparency, ensuring consumers can make informed decisions when purchasing frozen berries.

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