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Organic apples contain a more diverse and balanced bacterial community, which could make them healthier – especially for the intestines – and tastier than conventional apples, as well as better for the environment. Frontiers in MicrobiologyWatch.
Researchers from Graz University of Technology, Austria, undertook to badyze the microbiome of the apple.
"A flawless stay83 million apples were grown in 2018 and production continues to increase ",Said Professor Gabriele Berg, who led the study. "But if recent studies have mapped their mushroom content, less is known about the bacteria in apples. "A flawless stay
Using Arlet apples (a relatively small variety) purchased in Austria, researchers compared the bacteria found in conventional store-bought apples with those of visually-matched fresh organic varieties. The stem (or stem), skin, flesh, seeds and calyx (at the bottom of an apple where its flower was once found) were badyzed separately.
Overall, organic and conventional apples contained a similar number of bacteria.
"We estimate that a typical 240 g apple contains about 100 million bacteria ",Reported Berg.
The researchers noted that most bacteria are in the seeds, with the flesh representing the rest. Discarding the nucleus means that the intake of bacteria drops to nearly 10 million.
But the organic apples contained a greater variety. "Freshly harvested and organically managed apples harbor a much more diverse, more uniform and distinct bacterial community than conventional communities."Explained Berg."This variety and this balance would be expected to limit the proliferation of a particular species, and previous studies have shown a negative correlation between the abundance of the human pathogen and the the microbiome diversity of fresh products.. "
According to Berg, the diversity of bacteria in organic apples suggests a greater potential for health.
"A flawless stayShigella EscherichiaA flawless stay – a group of bacteria including known pathogens – was found in most conventional apple samples, but none in organic apples For beneficial lactobacilli – renowned probiotic – the opposite was true. "
Organic apples also taste better, says the study A flawless stay
It could give them a better taste than conventional varieties, she added.
Methylobacterium, known to improve the biosynthesis of strawberry flavoring compounds, was significantly more abundant in organic apples, particularly in skin and flesh samples, which generally had a more diverse microbiota than seeds, stems or the chalice. "A flawless stay
The results reflect conclusions about fungal communities in apples.
"Our results are remarkably consistent with a recent study on the fungal community badociated with apples, which revealed the specificity of fungal varieties for different tissues and management practices,"Commented Birgit Wbaderman, lead author of the study.
"Bacteria, fungi and viruses in our food transiently colonize our intestines," She said. "Cooking kills most of them, so raw fruits and vegetables are a particularly important source of intestinal microbes."A flawless stay
She said the next step would be "confirm to what extent the diversity of the food microbiome results in intestinal microbial diversity and improved health outcomes".
Could bacteria data begin to appear on food labels? A flawless stay
She suggested that information on bacteria and microbes might appear on food labeling in order to inform consumers.
"The microbiome and antioxidant profiles of fresh produce could one day become standard nutritional information, displayed alongside macronutrients, vitamins and minerals to guide consumers."A flawless stay
SourceA flawless stay
"One apple a day: what bacteria do we eat with organic and conventional apples?"
Frontiers in MicrobiologyA flawless stay
Authors: Birgit Wbadermann, Henry Muller and Gabriele Berg
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