What is the relationship between oranges and oranges?

Oranges, oranges, grapefruit and lemons are all members of the citrus family, also known as yellow oranges, golden oranges and golden balls. Magpie shell, yellow fruit, Xinhui orange, mandarin orange, snow orange, Indian orange, mandarin orange, etc. It is the ripe fruit of Rutaceae orange. The orange peel is thick and closely connected with the pulp petals, so it is not easy to peel off. When eating, you need to use a fruit knife to cut the petals along the central axis of the fruit, tear off the skin to get the meat, or cut four petals from the middle to get the meat, which is the biggest difference from citrus.

Oranges are native to the southeast of China and have a long history of cultivation, which has been nearly 4,000 years. In ancient literature, oranges were recorded in the pre-Qin period, and gradually increased after the Han Dynasty. Currently distributed in all tropical fruit areas in the world. Citrus is planted in Zhejiang, Jiangxi, Sichuan, Guizhou, Fujian, Taiwan Province, Guangdong, Guangxi and Yunnan.

Oranges are divided into sweet oranges and lime oranges, also called jar oranges. They are sour and bitter, so they are not suitable for eating. Most of them are used to make juice and are rarely eaten fresh. Fresh food is mainly sweet orange, which is usually called sweet orange. There are many varieties of sweet oranges in China. The fruit of sweet orange is spherical, slightly flat up and down, and the surface is smooth. It is green before ripening and turns into yellow flesh after ripening. It is one of the fruits that people like to eat. Often eaten as fresh fruit, it can also be processed into orange juice or delicious dishes. Orange leaf, orange peel, orange root and orange pit can also be used as medicine.

The edible part of sweet orange is 74%, and the calories per 100g of sweet orange meat are 197 kj, water 87.4g, protein 0.8g, fat 0.2g, dietary fiber 0.6g, carbohydrate 10.5g, ash 0.5g and carotene 160g. Ascorbic acid 33 mg, vitamin E 0.56 mg, potassium 159 mg, sodium 1.2 mg, calcium 20 mg, magnesium 14 mg, iron 0.4 mg, manganese 0.05 mg, zinc 0. 14 mg and copper 0.03 mg. Pericarp contains volatile oil, and there are more than 70 kinds of active substances, mainly n-decanal, citral, limonene and octanol.

Oranges taste sweet, sour and cold. It has the effects of promoting fluid production, quenching thirst, stimulating appetite and relieving qi. Normal people eat oranges or drink orange juice after meals, which has the functions of relieving greasy food, resolving food stagnation, quenching thirst and sobering up. Oranges are extremely nutritious and comprehensive, suitable for all ages. Oranges are rich in vitamins C and P, which can increase human resistance, increase capillary elasticity and lower blood cholesterol. People with hyperlipidemia, hypertension and arteriosclerosis often eat oranges. Oranges contain cellulose and pectin, which can promote intestinal peristalsis, help clear the intestines and eliminate harmful substances in the body. Orange peel tastes bitter and warm, and the effect of relieving cough and resolving phlegm is better than that of tangerine peel. It is a good medicine for treating cold, cough, loss of appetite and chest and abdominal pain.

In addition to fresh food, oranges can also be processed into orange cakes, juice, preserves and so on.