Rizhao green tea is a protected geographical indication product. Rizhao Green Tea is a geographical indication certification trademark. Rizhao green tea is an agricultural product with geographical indications.
The overwintering period of Rizhao tea trees is 1-2 months longer than that in the south. The temperature difference between day and night is large, which is conducive to the accumulation of inclusions. According to expert identification, the contents of catechins and amino acids are 13.7 higher than similar products of southern tea. % and 5.3%. The unique climate and geographical conditions make the green tea produced in Rizhao bright yellow-green in color, with a rich chestnut aroma and a mellow aftertaste. It is rich in vitamins, minerals and trace elements beneficial to the human body, and enjoys the reputation of "the first tea in Jiangbei". Experts from the Research Institute of the Chinese Academy of Agricultural Sciences evaluated Rizhao green tea as having thick leaves, high aroma, strong taste, and resistance to brewing. Regular drinking of Rizhao green tea can achieve the effects of preventing brain and cardiovascular diseases, refreshing and strengthening the stomach, lowering blood pressure and diuresis, digesting and sobering up, preventing and fighting cancer, losing weight and beautifying, and prolonging life. Famous green tea brands in Rizhao include: Shandong Province's famous trademarks "Xueqing" brand, "Heshanqing" brand, "Fulaiqing" brand, "Fengchun" brand, etc. Among them, the "Heshanqing" brand green tea produced by Rizhao Green Tea Company won the gold medal at the 29th Brussels International Expo, the silver medal at the 2nd China Agricultural Expo, and was recognized as a national famous brand product by the 3rd China Agricultural Expo. , as famous as Biluochun, a famous historical tea! In recent years, Rizhao City has adopted advanced science and technology, adopted counter-seasonal tea cultivation methods in winter, and built winter-warm plastic greenhouses to produce tea. The green tea produced in the greenhouses is launched before the Spring Festival every year, which greatly enhances the popularity of Rizhao tea. Rizhao City has accumulated a lot of successful experience in tea tree cultivation, management, scientific research, experiments, and demonstrations. Especially in the pollution-free cultivation of tea trees, measures such as agricultural control, physical control, and biological control of pests and diseases are adopted to eliminate the use of pesticides and focus on organic Fertilizer, 50,000 acres of tea gardens in the district have developed into ecological tea gardens, and the green tea produced has obtained green food certification. (Rizhao)
Regional Scope
The existing tea garden area of ??Rizhao Green Tea Base is 13,333 hectares, extending to Renjiatai Village in Shanhaitian Fenghuang Street in the east; to Anzhuang Town Village in Ju County in the west; It reaches Zhucangcun Village, Beiguo Town, Lanshan Town in the south; Liujiaganzhuang Village, Dongguan Town in the north; it governs *** counties (districts), 42 towns and 1,020 administrative villages, and its geographical coordinates are 35°04′～36°02′ north latitude. , between 118°35′ and 119°39′ east longitude, with a total production area of ??20,000 hectares and a total annual production of 11,000 tons.
Product quality characteristics
1. External sensory characteristics: Rizhao green tea has a curly and tightly knotted appearance, green color, high aroma and mellow taste, and the color of millet soup. , chestnut aroma, thick mesophyll, and resistance to brewing. 2. Intrinsic quality indicators: Changqing tea has high aroma and rich taste. After testing, Rizhao green tea water extract ≥ 38.0%, tea polyphenols ≥ 14.0%, caffeine ≥ 4.0%, total amino acid ≥ 23%, protein ≥ 30%, which is harmful to the human body. It has various health functions such as high nutritional value, detoxification and anti-inflammation, clearing away heat and reducing fire, refreshing and refreshing. 3. Safety requirements: The pollution-free green tea planting and production base in Rizhao strictly implements the "Technical Regulations for the Production of Pollution-free Food Tea" (NY5018-2001); the organic tea base strictly implements the (DB3701/T115-2010 "Rizhao City Organic Tea Local Standard") and (GB/T19630.1-.4) requirements. The fresh leaves picked from pollution-free tea gardens are processed in strict accordance with the "Technical Regulations for the Processing of Pollution-free Food Tea"; the fresh leaves picked from the organic tea gardens are processed in strict accordance with the "Technical Regulations for the Processing of Organic Tea" (NY/T5198-2002). Product safety and quality should comply with Q /LTS0002S-2010 "Rizhao Green Tea Enterprise Standard".