Are cooked daylilies safe to eat?

Generally speaking, cooked daylilies (hemerocallis) are safe to eat, but individuals with allergic constitutions should proceed with caution. The specific analysis is as follows:

Fresh daylilies contain colchicine, which is not toxic by itself. However, once ingested, it can be oxidized into dihydrocolchicine, which can cause toxic effects on the gastrointestinal tract, urinary system, and other areas of the human body, leading to symptoms such as nausea, vomiting, abdominal pain, and diarrhea. Fortunately, colchicine is easily soluble in water and can be destroyed at high temperatures. Therefore, when fresh daylilies are thoroughly cooked, most of the colchicine will be removed, and they generally will not pose a health risk after consumption, making them safe to eat.

However, caution is still required before consumption. If someone is allergic to daylilies, even cooked ones may trigger allergic reactions such as itching skin, rashes, shortness of breath, abdominal pain, and diarrhea. People known to be allergic to daylilies should avoid eating them.

Before consuming daylilies, ensure they are safe, fresh, and unspoiled. Individuals with a history of allergies or uncertain allergy status may first try a small amount to observe whether any adverse reactions occur.