Toon is not suitable for people who are allergic to toon.
People who are allergic to parsnips should avoid eating parsnips, otherwise they are prone to itchy skin, nausea and vomiting, diarrhea and other symptoms, and life-threatening allergic reactions such as laryngeal edema and anaphylactic shock may also occur. Therefore, the people who are allergic to parsnips are not suitable for eating parsnips. The rest of the population, in principle, can eat parsnips.
Toon is a vegetable with nutritional value, and early spring is a suitable period to enjoy the flavor. But the toon also contains a large number of nitrites, cooking must pay attention to blanch 15 ~ 45 seconds in advance, a short period of blanching can reduce most of the nitrite content, while retaining the nutrients of the toon to a certain extent.