1, orange

China, the most common fruit in winter, is one of the important origins of orange fruit, which is rich in citrus resources and has a variety of excellent varieties, with a cultivation history of more than 4,000 years. Oranges are bright in color, sweet and sour, and generally orange. They are one of the most common fruits in people's lives, and their peels can be used as medicine.

2, grapefruit

The flowering period is April-May, and the fruiting period is September-1February. South of the Yangtze River in China, the northernmost part is found in Xinyang and Nanyang, Henan Province, all of which are cultivated, and some countries in Southeast Asia have planted them. The pulp contains high vitamin C, which has the effects of promoting digestion and relieving alcoholism.

3, oranges

Originated in Southeast Asia. Small trees of the genus Citrus. Fruit can be peeled and eaten fresh, and the pulp can be used as seasoning or additive for other foods. The flowering period is from April to May, and the fruiting period is 10- 1 1 month.

4. Yacon

It is native to the central plateau of the Andes in South America from north-central Chile to Peru, Ecuador and Bolivia. Yacon root tuber is thin and juicy, and has no residue. It can not only be peeled and eaten raw, but also be made into cooked food as a side dish.