"wuhuang" refers to Monopterus albus, yellow croaker, cucumber, salted duck egg yolk and realgar wine.

1, eel

Monopterus albus is a chordate animal of Monopterus albus belonging to the family Hemibranchiaceae. The body is snake-shaped, the surface is smooth and phosphorus-free, the front section is round and tubular, and it gradually flattens backward, and the tail is short and sharp; The head is swollen and the kiss is dull; Small eyes, lateral upper position, covered by skin membrane; The mouth is large, anterior, and the mouth fissure exceeds the posterior edge of the eye; The maxilla is longer than the mandible, and the maxilla, mandible and flap bone have fine teeth; The gill holes are small, and the left and right gill holes are connected on the ventral surface, showing an inverted "V" shape; The dorsal fin, gluteal fin and caudal fin are all degenerated and connected together, so Monopterus albus is named after its yellow belly.

2. Yellow croaker

Pseudosciaena crocea is a general term for fishes belonging to the genus Pseudosciaenidae and Perciformes. Yellow croaker is divided into big yellow croaker and small yellow croaker, which are similar in shape and habits. This kind of fish is flat and elongated, and it is golden yellow. The tail stalk of large yellow croaker is slender and the scales are small, while the tail stalk of small yellow croaker is short and the scales are large; The body length of small yellow croaker is shorter than that of large yellow croaker; The lower lip of large yellow croaker is longer than the upper lip, and it is round when the mouth is closed; The upper and lower lips of small yellow croaker are the same length, and the mouth is sharp when it is closed. Yellow croaker is also called stone fish because it has two hard stones in its head.

3. Cucumber

Cucumber, an annual climbing herb of Cucurbitaceae, has a slender and coarse stem; Leaf blade is broadly ovoid, heart-shaped or lobulated triangle; Flowers are puberulent yellow and white; The fruit is oblong or cylindrical and yellow-green when ripe; The seeds are narrowly oval white; The flowering and fruiting period is summer. Cucumber was brought back by Zhang Qian in the Han Dynasty when he went to the Western Regions. Schleswig, the founder of the post-Zhao Dynasty, banned the word "Hu" and changed the name of Cucumber.

4. Salted duck egg yolk

Salted duck eggs, also known as green husk, green egg, salted duck egg and salted duck egg, were called salted shuttlecocks in ancient times, and they are special dishes in China. Salted duck eggs have a long history in China, and are deeply loved by ordinary people, as well as in the market. Salted duck eggs are produced in many parts of the country, but only Jiangsu Gaoyou salted duck eggs are the most famous. Salted duck egg is a kind of reproduced egg with special flavor and convenient eating. Salted duck egg is a good food with attractive color, fragrance and taste.

5, realgar wine

Realgar wine, that is, white wine or yellow wine brewed with ground realgar, is a drink of traditional Chinese festival Dragon Boat Festival. Realgar needs to be dried in the sun, and some are dried from the first day of May to the fifth day. The custom of drinking realgar wine on Dragon Boat Festival was very popular in the Yangtze River valley in ancient times. As the old saying goes, "If you drink realgar wine, all diseases will go away". Realgar is a mineral, commonly known as "Jiguanshi".