Native to China, Qingguo can be eaten fresh or processed, and is a famous subtropical specialty fruit tree. Green fruit, also known as "olive", is named because the fruit is still green and can be eaten fresh.
Qingguo is a specialty of Fuzhou and was listed as a tribute as early as the Tang Dynasty. Olive grove is also known as "Fu Guo". This is the name given by overseas Chinese. This not only shows the large yield of green fruits in Fuzhou's history, but also expresses the attachment of overseas Chinese to the countryside (Fuzhou).
Green fruit is rich in nutrients, containing 17 kinds of amino acids needed by the human body, the flesh is rich in calcium and vitamin C, and the fruit is often processed into: Khao Bian Olive, Dafu Fruit, Ten Fragrant Green Fruit, Peeled Crisp, Salted Green Fruit, Rose Green Fruit and so on.
Green fruit oil in the Mediterranean coastal countries has a history of thousands of years, in the West known as "liquid gold", "vegetable oil queen", "Mediterranean manna", edible high-grade green fruit oil is the use of first ripe or ripe green fruit fresh fruit extracted by physical cold pressing process of natural fruit juice, is the world's only natural state of the form for human consumption of woody vegetable oil.
The pulp of the green fruit is rich in nutrients, and fresh food is beneficial to human health.