Daylily, which also includes daylily and daylily, is a plant food with high nutritional value. Day lilies are generally dried. The following only introduces the sensory identification method of dried day lilies.

Good-quality day lily - golden and shiny color, fragrant smell, no green streaks (i.e. greenish-yellow or dark green color, weak and soft flowers, due to insufficient steaming during processing) And fried dough sticks (that is, the flower body is black and sticky, which is caused by over-cooking), the flower strips are long and thick, straight up, even and complete, dry and free of mildew and insects, no odor, no impurities, the cauliflower should not exceed 10 %.

Inferior daylily - deep yellow in color with a slight reddish color, but no green strips or fried strips. The flower strips are slightly short and thin, slightly less uniform, dry and free of mold and insects, no odor, and no Impurities in stems and stems should not exceed 10% in flowering vegetables.

Inferior daylilies - yellowish-brown in color, dull, with green strips or deep-fried strips, impurities or insect-eaten, smoky or musty smell, more than 10% of which are flowering cauliflowers.

Identify the quality of daylily

Daylily is also known as yellow flower, daylily, and the traditional Chinese medicine Hemerocallis fulva. The yellow flower is in terms of color, and the golden needle is in terms of shape. The main production areas of daylilies are Hunan, Sichuan, Gansu, Shaanxi, Shanxi, Jiangsu, Anhui and other places. The quality of daylilies in Qingyang of Gansu, Dali of Shaanxi and Datong of Shanxi is the best. Daylilies are harvested very seasonally, and the quality is best when the flower buds are plump and not blooming. If the flower buds open and reveal their pistils, the nutrients will be lost greatly and the quality will be the worst.

(1) Vegetable color: Golden yellow is the best color, followed by dark yellow and slightly reddish, and pale yellow and brown color is even worse.

(2) Vegetable strips: Day lily strips with thick, fat and tender strips are better, short and thin strips are the second best.

(3) Smell: Daylilies with a general fragrance are better. If they smell of sulfur or smoke, they are of poor quality.

(4) Dry humidity: If you hold the daylily tightly with your hands and if it can automatically spread out and return to its original shape after letting go, it means the dish is dry and of good quality. If it forms a ball and cannot be restored to its original shape, it means that the dish is wet and has high moisture content, which makes it easy for mold to grow.

Daylilies are very susceptible to mildew, so they should be kept well during commercial operations to prevent heat and moisture. The mildew process usually starts with heat and then stickiness, alcohol smell or even mold. If day lilies are found to be hot and sticky, they should be spread out and dried immediately, which will have little impact on the quality. If the day lilies become moldy, they will appear red or black in color after being dried, and will become soft and rotten after being dried. , losing edible value.

Prevent fresh daylily poisoning

Sometimes you see fresh daylily for sale in the market. When eating this kind of daylily, you should pay attention to prevent poisoning. Because fresh daylilies contain colchicine, it is oxidized into colchicine after entering the human body. This is a very toxic substance that can strongly stimulate the gastrointestinal and respiratory systems. If an adult consumes 0.1 to 0.2 mg of colchicine (equivalent to 50 to 100 grams of fresh daylily) at one time, it can cause poisoning. The poisoned person usually develops symptoms such as nausea, vomiting, abdominal pain, diarrhea, dizziness, headache, dry throat, thirst, etc. within 1 hour. In severe cases, hematochezia, hematuria, etc. may occur, and the duration of the disease is 1 to 3 days.

To prevent poisoning from eating fresh day lilies, it is required to soak the purchased day lilies in water for 2 hours, then fry and cook them thoroughly before eating them. It is better to eat less each time. Dried day lilies have been steamed and sun-dried. The colchicine in the vegetables is destroyed by heat, so eating dried day lilies will not cause poisoning. For those who are poisoned after eating fresh day lily, they can use strong tea to wash their stomach and intestines. Severe cases should be sent to the hospital for treatment.