Jujube is mainly produced in Hainan. Hainan green jujube? Hainan big green jujube, also known as Hainan sweet jujube, scientific name is Zaozi jujube. It is an evergreen small tree. It is an excellent fruit variety made from Indian hairy-leaf jujube through multi-generation improvement and selection by Hainan breeders. Hainan jujube belongs to the genus Ziziphus in the family Rhamnaceae in botanical taxonomy. It belongs to the same family and genus as the common jujube tree in my country, but is a different species.

Jujube:

Jujube is a tropical and subtropical fruit. The fruit is rich in nutrients, crisp, sweet and delicious. It contains a large amount of vitamin C, calcium, phosphorus, vitamin B, carotene, etc. It is known as the "vitamin pill" and it is said that "eating three dates a day will lead to immortality". Due to its beautiful fruit shape, green dates have the flavor of apple, pear, and date. Taiwanese green dates are also known as "tropical little apples." Jujube weighs 50 to 100 grams and has a sweetness of 10 to 20 degrees. Each hundred grams of jujube contains 1.2 grams of protein and 23.7 grams of carbohydrates. It is rich in vitamins and various trace elements.