When fresh or not becomes a problem Boxed fruit is hard to resist summer heat
In the sweltering summer heat, fruit shops are experiencing a surge in business as they try to meet consumer demand. To attract customers, many stores have introduced boxed fruit options and even offer pre-cut and packaged delivery services. These convenient services are highly appreciated by shoppers. However, a pressing concern remains: what is the actual quality of these fruits? Many consumers worry about whether such cut fruits could harbor harmful bacteria.
When six boxes of pre-cut fruit were purchased from several fruit stores, the question of how long the fruits had been cut was raised. Most store owners claimed that the fruits were freshly cut, no more than two hours before being sold. Some even said that the fruits were prepared on the same day and were extremely fresh. However, one shopkeeper revealed a different story—sometimes dozens of pre-cut fruit boxes made in the morning went unsold and were left until the afternoon, sometimes stored for up to an entire day.
The appearance of boxed fruits may seem clean and upscale, but behind the glossy packaging lies a hidden issue. Consumers often don’t realize that the fruits they’re eating might come from the non-rotten parts of already spoiled produce. This raises serious hygiene concerns. How can anyone be sure that the fruit they’re consuming is safe?
To investigate further, the six boxed fruit samples were tested in a laboratory along with two and a half fresh watermelons (half of which was wrapped in plastic). The results were alarming: the coliform count in the boxed fruit samples ranged from 24,000 mpn/100g and higher, while the total bacterial count varied between 13,000 cfu/g and 504,000 cfu/g. Notably, the refrigerated watermelon samples without plastic wrap showed significantly higher bacterial growth compared to those covered with cling film—over 20 times more.
Although China currently lacks national standards for the microbial content in fresh cut fruits, existing regulations for fruit products set limits: total colony counts should not exceed 1,000 cfu/g, and coliforms should be below 30 mpn/100g. In this experiment, the E. coli levels in the boxed fruits were tens of times higher than these thresholds.
According to experts, certain strains of E. coli can be pathogenic to humans and animals, especially infants and young poultry, causing severe diarrhea and even sepsis. For individuals with weaker immune systems, consuming such contaminated fruit could lead to serious gastrointestinal issues. Experts recommend buying whole, fresh fruits and consuming them shortly after cutting to minimize health risks. It’s always better to prioritize safety over convenience when it comes to your food.
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