Where does Lanzhou Bitter Water Rose come from?

Lanzhou people have a long history of cultivating roses. Gan Long's Annals of Gansu in Qing Dynasty said: "Roses grow out of orchids", and Kushui Town in Yongdeng County has the best quality and is famous all over the world. Bitter rose, also called "Rosa roxburghii", is the city flower of Lanzhou. Rose is a deciduous shrub in Rosaceae, with spiny stems, large purple flowers, lush foliage, numerous flowers, full petals, bright colors and rich fragrance. During the Qianlong period, Hanlin Qin in Lanzhou once wrote a poem praising: "The golden moss is shining day by day, and the makeup is fragrant." The flowers in Xilong are late and leap forward at the same time, and the flowers in Duanyang are full of fragrance. The characteristics of good rose color and fragrance are pointed out. Bitter roses are not only attractive, but also can be planted in the front yard of the street and the backyard of the alley, setting off the charming scenery of "thick as orangutans' initial dyeing and deep red as light red"; In addition, fragrant roses can be used for sugar pickling, honey making, wine making, sauce making, tea drinking or making various sweets and cakes; Rose oil is a valuable perfume for cigarettes, soaps, perfumes and high-grade cosmetics. Roses can regulate qi and promote blood circulation, soothe the liver and relieve depression. It has obvious curative effect on liver and stomach gas pain, traumatic injury, menorrhagia, swelling and pain, dyspepsia, etc. The output of bitter rose and essential oil in Lanzhou ranks first in the country and becomes the best-selling flower in the country. (Lanzhou)

territorial scope

Yongdeng County is located in the middle of Gansu Province, in the northwest suburb of Lanzhou City, with east longitude 102 36' to 103 45' and north latitude 36 12' to 37 07'. The geographical indications of "Bitter Water Rose" are registered in 96 administrative villages in 12 towns, including Bitter Water Town, Hongcheng Town, Longquansi Town, Datong Town, Liu Shu Town, Bao Zhong Town, Shangchuan Town, Chengguan Town, Shuping Town, Heqiao Town, Liancheng Town and Vu Thang Post Town, with an area of 2,960 square kilometers and an annual planting area of 6,700 hectares.

Product quality characteristics

1. External sensory characteristics: Bitter rose belongs to Rosaceae, which is a natural hybrid of blunt-toothed rose and China traditional rose. It is a semi-double small rose, which belongs to Asian fragrance type and grows at an altitude of 1600-2400 meters. It is a rare plateau natural rose variety in the world. Bitter rose is an edible and medicinal variety, which is a typical representative of oriental fragrance. The bud of bitter rose is compact, the fresh bud weighs 0.85-0.95g, the receptacle is small and pot-shaped, the petals are tender and dark pink, the fragrance is unique and rich, the texture is silky, and the taste is sweet and slightly astringent, with a single flower 18-24 petals; The dry buds are full, the sepals are yellow-green, the buds are purple and fragrant. Bitter rose has high oil yield and is rich in selenium, which is the top grade of food, medicine and beauty. It is a good raw material for "Lanzhou Three Batteries" and various flower drinks and tea drinks. 2. Intrinsic quality characteristics: the content of volatile oil in bitter rose is between 0.02 ml/g and 0.05 ml/g, which is much higher than the highest content of 0.03 ml/g in other rose varieties; Total flavonoids (calculated by rutin) ranged from 0.33g/100g to 0.58g/100g, which was also much higher than the highest content of other roses (0.4g/ 100g). It has pharmacological effects on cardiovascular and cerebrovascular diseases, digestive system, metabolism, immune function, anti-oxidation, anti-aging and anti-tumor. 3. Safety requirements: The production environment of Bitter Water Rose strictly conforms to NY5360-20 10 "Environmental Conditions for Edible Flowers of Pollution-free Food"; The products of Bitter Water Rose are in strict accordance with NY/T2 140-20 12 green food instead of tea.