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Spring is the time to eat wild vegetables.
Many people have been thinking about the "game" in spring, thinking that it is not only fresh and tender, but also rich in nutrients
.
However, the Jiangxi Provincial Market Supervision Administration recently issued a warning on the safety of edible wild vegetables, stating that the nutritional value of wild vegetables may not be higher than that of cultivated vegetables
Nutritional value may not be high
Speaking of wild vegetables, many people think it is more nutritious than growing vegetables
.
Popular science worker Yun Wuxin told the Beijing News reporter that “nutrition” is not a certain thing, but the sum of the substances that the human body needs from food
"Wild vegetables and planted vegetables are different species.
The nutritional difference between them comes from the species itself, and has nothing to do with the form of'wild' or'cultivated'
.
Secondly, there are also differences between different wild vegetables and planted vegetables, so in terms of nutrition, Wild vegetables and ordinary planted vegetables cannot make a valuable comparison
The edible safety reminder for wild vegetables issued by the Jiangxi Provincial Market Supervision Administration also stated that compared with ordinary vegetables, some wild vegetables are indeed rich in dietary fiber, protein, vitamins and minerals, but there are also cultivated vegetables that contain the same or even higher nutrients, such as western vegetables.
blue flowers are rich in carotene, thiamine and so on
.
Therefore, the nutritional value of wild vegetables may not be higher than that of cultivated vegetables
The safety of wild vegetables is not high
For wild vegetables, many people think that they do not use pesticides and fertilizers and are more natural, organic, healthy and safe
.
This is not the case.
"Celery, radish and other planted vegetables will produce "furanocoumarin" photosensitive substances when they are attacked by pathogens.
If the human body contacts or consumes too much, the skin will be sensitive to sunlight, prone to "photodermatitis", which will increase the skin.
Cancer risk
.
And in wild vegetables, this situation is more common
In addition, wild vegetables may also accumulate toxins in the environment
.
The edible safety tips for wild vegetables remind consumers that wild vegetables will absorb toxic and harmful substances such as heavy metals in water and soil, especially wild vegetables that grow near factories, roads, etc.
Does this mean that wild vegetables can no longer be eaten? Yun Wuxin said that the "unsafe factors" of wild vegetables are generally mild and chronic, and will only show up when they are consumed in large quantities or for a long time
.
It is not a big problem to try them occasionally .
Procurement of wild vegetables should choose formal sources
For the purchase and picking of wild vegetables, the food safety tips suggest that consumers should buy wild vegetables with safe and reliable sources in formal places; pick wild vegetables with caution and do not collect them in areas, roads, parks and other places where industrial wastewater flows; Recognizing unfamiliar and uncertain wild vegetables, such as similar-looking poisonous alocasia and edible taro, can cause poisoning and even life-threatening risks if ingested by mistake
.
In addition, when cooking, the wild vegetables should be picked and cleaned and blanched in superheated water, which can remove certain natural toxins and part of oxalic acid
.
In addition, most wild vegetables are rich in oxalic acid, and eating more can easily lead to physical discomfort, so it is not advisable to eat more
.
Especially special populations, such as those who have a history of allergies to wild vegetables, infants, pregnant women, nursing mothers, and people with digestive system diseases should not eat or eat less wild vegetables
.
