THE wild blackberries are the fruit of the common bramble, a thorny shrub often found on roadsides and in woods. They have long been considered a source of vitamins and energy for hikers looking for a natural snack. However, there are several reasons why it is better to avoid consuming these fruits during your walks.
Pollution hazards
The first reason concerns air quality. Several studies have shown that the atmospheric pollution has a negative impact on the flora and fauna around us, particularly on wild plants and fruits. Indeed, polluting agents are deposited on the leaves and fruits of plants, sometimes leading to their contamination by toxic elements. In addition, blackberries that grow near roads or factories are particularly exposed to this pollution. It is therefore preferable not to consume them to preserve your health.
Vigilance against pesticides
The second potential danger comes from the presence of pesticides or other chemicals used to maintain neighboring agricultural or private land. It is possible for these products to end up on wild blackberries, even if the plants have not been treated directly. These substances can be harmful to the body and cause various long-term health problems.
Presence of parasites
Blackberries can also harbor parasites, such as the liver fluke, a species of flatworm that primarily infects human and animal hepatocytes. The life cycle of this fluke involves passing through an intermediate host, often an aquatic snail, before being found on the plants we consume. Although this parasite is rarely fatal, it can cause serious digestive and liver problems if ingested in large quantities.
Risk of allergies
Some people may also be allergic with the fruits of the bramble or its leaves. Symptoms of a blackberry allergy typically include itchy mouth, difficulty swallowing, skin rashes, and gastrointestinal upset. If you suspect an allergic reaction after consuming wild blackberries, it is important to seek medical attention promptly.
Difficult identification
One of the major challenges when picking wild blackberries is their identification. Indeed, there are many species of similar brambles but some of them can bear toxic fruits. It is therefore important to know the different varieties well and to check their characteristics before consuming the harvested berries.
Confusion with other species
Certain plants or shrubs can be confused with the common bramble, such as the yèble elderberry whose berries are very toxic to humans. Another potentially dangerous plant is the philodendron which, although it does not grow naturally in Europe, can sometimes be encountered in gardens or greenhouses. Its fruits look like blackberries but contain calcium oxalate crystals, a substance that irritates the mouth and throat.
Wild blackberries: how to limit the risks?
If you absolutely want to pick and eat blackberries during your walks, here are some tips to reduce the risks:
- Find out about air quality and choose areas far from sources of pollution for your walk.
- Wash the blackberries carefully before consuming them, preferably using mineral water to eliminate pesticide or pollution residues.
- Favor untouched areasfar from intensive crops and monocultures, where the use of chemicals is more frequent.
- Learn to identify correctly the different species of brambles and their fruits, with the help of a botanical guide or by seeking the advice of an expert.
- Harvest only ripe blackberriesbecause berries that are still green may contain indigestible or allergenic substances.
By following these recommendations, you will be able to enjoy the benefits of wild blackberries without putting your health at risk. However, remember that caution is required when it comes to consuming wild plants or fruits collected during your walks.
