What does China import from Africa?

China mainly imports sesame, cocoa, cotton, tobacco, logs, Arabic gum and other agricultural products from Africa.

1, sesame.

Sesame, also known as sesame and flax (scientific name: sesame), is an annual erect herb with a height of 60- 150 cm. It is distributed in tropical regions and some temperate regions all over the world. Sesame is one of the main oil crops in China and has high application value. The oil content of its seeds is as high as 55%. Since ancient times, there have been many colorful foods and delicacies made of sesame and sesame oil in China, which are famous all over the world.

Sesame is known as the crown of eight grains. Sesame is an oily crop. The pressed oil is called sesame oil, linseed oil and sesame oil, which is characterized by mellow smell and can be eaten raw or hot.

2. Cocoa.

Cocoa beans (raw beans) contain 5.58% water, 50.29% fat, nitrogen 14. 19%, theobromine10.55%, other non-nitrogen substances 13.9 1%, and starch 8.

Cocoa beans also contain nerve center stimulants such as caffeine and tannin, which are closely related to the color, aroma and taste of chocolate. Among them, theobromine and caffeine can stimulate the cerebral cortex, eliminate drowsiness, enhance the sense of touch and thinking, regulate the heart function, and have the functions of dilating renal blood vessels and diuresis.

3. cotton.

Cotton is the seed fiber of Malvaceae, which is native to subtropical zone. The plant is shrubby and can grow to 6 meters high in tropical areas, usually 1 to 2 meters.

The flowers are milky white, turn dark red shortly after flowering, and then wither, leaving a small green capsule called cotton boll. There are cottonseed in the cotton boll, and the fluff on the cottonseed grows from cottonseed hulls and fills the inside of the cotton boll. When the cotton boll matures, it splits, revealing soft fibers.

The fiber is white or yellowish white, about 2-4 cm (0.75- 1.5 inch) long, containing about 87-90% cellulose, 5-8% water and 4-6% other substances. The countries with the highest cotton production are China, the United States and India.

4. Gum Arabic.

Gum Arabic, also known as gum Arabic, comes from the trunk exudate of acacia plants in Leguminosae, so it is also called gum Arabic. The main components of gum Arabic are macromolecular polysaccharides and their calcium, magnesium and potassium salts. It mainly includes gum aldose, galactose, glucuronic acid and so on.

Good quality gum Arabic is amber in color, with large and round particles, mainly produced in Africa. At present, there are also powdered Arabic gum obtained by refining process, which is more convenient to use.

5. Journal.

Log is a piece of wood cut into a certain length according to the standards or special regulations of size, shape and quality. This piece of wood is called a log.

A log section formed after the original wood strips are made of wood. Some are skinned, some are skinned. According to the material and use value of logs, they can be divided into two categories: economic wood and firewood. Economic timber can be divided into direct use of logs and processed logs according to their uses.

The direct utilization of logs can be divided into digging holes and making purlins. Processing logs can also be divided into super logs, conifer logs and broadleaf logs. As the main products of forestry, these logs should meet the national timber standards.

reference data

Baidu encyclopedia-sesame

Baidu encyclopedia-cocoa

Baidu encyclopedia-cotton

Baidu encyclopedia-Arabic gum

Baidu Encyclopedia-Journal