Derived from China, Ziziphus jujuba (jujube, Chinese date) is a member of the first group of functional foods, which includes foods that besides nutritional value also positively affect health and general mood. As far as 3,000 years ago, the Chinese made wine through fermentation of Chinese dates. It was then considered a beneficial beverage, and was served at receptions. Subsequently, also medicine focused on jujubes. Nowadays, it is a component of dietary supplements. TIENS Date Concentrated Juice contains Chinese date extract from Cangzou in the Hebei Province in eastern China. Thanks to patented technologies the bio-active properties of the fruit are fully preserved.