Jujube (scientific name: Ziziphus jujuba Mill. ), also known as jujube, jujube, thorn jujube, jujube. Jujube (Rhamnaceae) is a small deciduous tree, sparse shrub, with a tree height of more than10m, brown or grayish brown bark, a petiole length of 1-6mm, or a long branch of 1cm, with no hair or sparse hair, slender stipules and often falling off in the later stage. Flowers are yellow-green, bisexual, glabrous, with short pedicels, solitary or dense axillary cymes. Drupe is oblong or rectangular, 2-3.5 cm long and 1.5-2 cm in diameter. It is red when it is ripe, and then it becomes reddish purple. The mesocarp is thick and sweet. The seed is oblate, about 65438 0 cm long and about 8 mm wide.
It grows in mountainous areas, hills or plains below 1700 meters above sea level. Widely planted. This species is native to China and is often cultivated in Asia, Europe and America.
Jujube is rich in vitamin C and vitamin P. Besides being eaten fresh, it can often be made into candied fruit and preserved fruit, such as candied dates, red dates, smoked dates, black dates, jujube dates and tooth dates. It can also be used as jujube paste, jujube noodles, jujube wine, jujube vinegar, etc., and is the raw material of food industry.