Zanhuang Dazao has a long history of cultivation and unique quality. It has been worshipped in the court for many times in history and is known as “Gongzao”.

Zanhuang Dazao has a long history of cultivation and unique quality. It has been worshipped in the court for many times in history and is known as “Gongzao”. Its appearance is characterized by "seven one foot, ten one pound", which is the only natural triploid of 700 jujube varieties in the country with a large, small nuclear, thin skin, thick flesh, sugar and silk. It has the characteristics of large, thin skin, thick meat, long wire drawing and high sugar content. It is the leader among jujube varieties in China. As early as 1956, at the National Changsha Jujube Review Meeting, Zanhuang Dazao was awarded the title of “China's Jujube”. In 1994, the first national forestry special new product exhibition won the gold medal, and has won many domestic and international awards. Zanhuang Dazao is unmatched by other agricultural products, regardless of the honor, planting area, and output. According to the data, Zanhuang jujube was cultivated before the Yuan Dynasty and has been widely planted in the Ming Dynasty. Almost every family has jujube trees since the Qing Dynasty and has become an important woody. crop. In the Ming Dynasty, the book "Unique Record" records: When Emperor Wu of the Tang Dynasty was in office, the prime minister Li Deyu (Zanhuangren) used the Zanhuang Dazao to dedicate himself to the emperor, and his physical fitness and anti-aging effect were obvious. Therefore, Zanhuang Dazao won the emperor's favorite. Zanhuang Dazao, alias Zanhuang Changzao, Jinsi jujube, Dapu red dates. The original jujube variety of Zanhuang County, Hebei Province. This variety is the only "natural triploid" variety found in China. For the royal tribute dates of the past, the fruit has rich nutritional value and is known as the “first of all fruits” and “the king of natural vitamins”. Zanhuang jujube contains trace elements such as protein, amino acid, phosphorus, calcium and iron that the human body needs. Such as vitamin C, up to 540 mg per 100 grams, is about a hundred times more than apples, peaches, etc., so people call it "live vitamin pills." Fresh dates contain 20-36% sugar, dried dates up to 60%, and the edible value and medicinal value rank first. According to the Compendium of Materia Medica, Zanhuang jujube can make up for the stomach and health. Folks have rumors that "three days a day, no life is old" and "grain is more than jujube, better than ganoderma lucidum". Zanhuang jujube can not only be fresh, but also can be processed into dried red dates, candied dates, jujube wine and so on.

Zanhuang jujube quality technical requirements (a) variety. Golden silk jujube. (2) Site conditions. The altitude is between 100 and 450 meters. The parent material is granite and gneiss. The soil is cinnamon soil sandy loam with a pH of 6.5 to 7.5. (3) Cultivation management. 1. Seedling cultivation: Collect scion from the selected excellent plants, and graft with jujube as rootstock to ensure the variety is pure. 2. Planting of seedlings: After defoliation until the soil is frozen before winter or after thawing of the soil in the spring to the germination stage of the bud, the planting hole or planting ditch is planted, and the planting density is applied after planting. The planting density is 83 plants/m2. 3. Plastic pruning: It adopts multi-main branch natural happy shape, small crown sparse layer shape and spindle shape tree shape to ensure the tree body is ventilated and light, the skeleton is firm, the branches are suitable, and the structure is good. 4. Harvest: When the jujube fruit peel is purple, slightly wrinkled, the flesh becomes soft and yellowish brown to reach the ripening period, it is harvested naturally after drying or drying. When the water content is less than 25%, it is stored in stages. (4) Quality characteristics. 1. Sensory characteristics: fruit oval to oblong, uniform size, purple color, lustrous, single fruit weight 7 to 12.5, flesh thick and elastic, yellowish brown, taste sweet and slightly spicy, edible rate ≥ 85% 2. Physical and chemical characteristics: containing total sugar? 65%, protein? 2.8%.

Apply to：
Producers within the scope of protection of Zanhuang Dazao's geographical indication products may apply to the Zhanhuang County Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.