Turmeric is a commonly used Chinese medicine. First published in Newly Revised Materia Medica. It has the functions of breaking blood, promoting qi circulation, dredging menstruation and stopping obstruction. Used for chest and hypochondriac tingling, amenorrhea abdominal pain, rheumatic arm pain and other diseases.

Source1.Curcuma longa L. is the dried rhizome of Curcuma longa L. of Zingiberaceae.

2. Curcuma Curcuma wenyujin Y.H. Chen et C.Ling, a ginger plant.

Origin and distribution1.Turmeric: mainly produced in Sichuan Qianwei, Leshan, Chongqing, Xinjin, Shuangliu, Wuping and Longyan in Fujian, and also produced in Guangdong, Guangxi, Jiangxi, Hubei, Yunnan and other provinces, and sold all over the country.

2. Curcuma turmeric: mainly produced in Zhejiang. Sell nationwide.

Identification points The main characteristics of turmeric are irregular oval, spindle or cylindrical, often curved or forked. Dark yellow or brownish yellow, shriveled, with obvious joints. Hard, brownish yellow to golden yellow in cross section, with waxy luster. The aroma is special and the taste is bitter and pungent.

The turmeric is an irregular oblong piece with different sizes. The section is yellow-white or brown-yellow, with rings and ribs; The outer skin is grayish yellow with rough shrinkage. Sometimes links and fibrous roots can be seen. Crispy, with grayish white to brownish yellow cross section. The gas is unique, and the taste is slightly bitter and pungent.

Classic identification 1 Tang? Su Gong said, "The roots and leaves of turmeric are all like turmeric. Its flowers spring from the roots, and come out with the seedlings, and rot in summer without children. Roots are yellow, blue and white. The method of doing it is the same as that of Yujin. Xirong people call it a restaurant. Its taste is bitter and bitter, and it is the same as turmeric, but peanut is different in ear. Chen Zangqi said, "The real ginger is an old ginger that has been planted for more than three years and can produce flowers. Flowers are in the rhizosphere, just like the lotus. The roots are hard and spicy. It is rare to grow ginger wherever it is. There are also newcomers in Xifan. It is similar to Curcuma Rhizome and Urtica. As Su Gong said, it is an elixir, not turmeric. It is also said that turmeric is a jelly, and turmeric is a jelly. In this way, there is no difference between the three things, and the names are always called sputum, so the work is different. Nowadays, Yujin tastes bitter and cold, and its color is red, which is the main horse fever; Turmeric tastes pungent and warm, and its color is yellow; It tastes bitter and blue. Three things are different, and they are used separately. "3 Late Tang and Early Song? "Daming Materia Medica" says: "The people born in Hainan are Peng 'e; The living in the south of the Yangtze River is turmeric. "4 Song? Su Song said, "Jiang Huang is abundant in Jiang, Guang and Shu Chuan. The leaves are green, one or two feet long and three or four inches wide, with twill as small as banana leaves. The flowers are red and white, and gradually fade in the Mid-Autumn Festival. At the end of spring, Fang Sheng, Mr. Qi Hua, has secondary leaves and is not strong. The roots are yellow, ginger-like, round and knotted, and the roots are picked in August and sliced. Shu people are very effective in treating flatulence and postpartum septicemia. Man's life, clouds can dispel evil and control evil. According to the similarity of turmeric, turmeric and myrrh, Su Gong can't distinguish them, but they are like one thing. Chen Zang-qi distinguishes three things by color and taste, and it is said that turmeric is born of three-year-old ginger. In recent years, there are many kinds of ginger in Biandu, and turmeric is often sold, but old ginger. ..... and inexpensive ginger, also is its kind, and naturally a thing. "5 Ming? Li Shizhen said, "In recent times, turmeric is flat like dried ginger, and turmeric is round like cicada's belly, which can be soaked in water and dyed. Although the shape is like turmeric, the color is not yellow. "6 Qing? "Materia Medica from the New" is like Li Shiyun: "Turmeric. At present, people who are as flat as dried ginger are regarded as turmeric, and those who are as round as cicada's belly are regarded as cicada's belly with turmeric. Although my body looks like turmeric, its color is green but not red. 」

Rapid identification1.Turmeric: The main rhizome is oval or spindle-shaped, with a length of 2 ~ 3.5 cm and a diameter of1.5 ~ 2.5 cm. The surface is brownish yellow to light yellow, with short fibrous roots and many punctate depressions or lateral rhizome marks. It is hard and heavy, with deep yellow brown to reddish yellow, horny, waxy luster and a little vascular bundle. The aroma is special and the taste is bitter.

The lateral rooting is cylindrical, slightly flattened, 2.5 ~ 6 cm long and1.5 ~ 2．5～6cm in diameter, slightly curved, often with short branches, one end is round and blunt, and the other end is cross-section. There are longitudinal wrinkles and obvious links on the surface.

2. Turmeric slices: Sliced slices, 3 ~ 7 cm long and 1 ~ 4 mm thick. The cut surface is uneven, grayish yellow to khaki, with shriveled edges and some visible fibrous root residues. Crispy, with grayish white to light brown cross section. The smell is fragrant, and the taste is bitter and bitter.