Scenting technology of Jinhua jasmine tea
Jinhua jasmine tea, referred to as Jinhua scented tea, is produced in Jinhua City, Zhejiang Province. It has a production history of more than 300 years. It is one of the main producing areas of scented tea sold to the international market in China. Its varieties include jasmine maofeng tea, jasmine baked blue flower tea (divided into 1-6 grades) and jasmine fried blue-scented tea (divided into 1-6 grades). Among them, jasmine maofeng has the best quality.
The famous producing area of jasmine is in Luodian Township, Jinhua City. Its soil, rainfall, climate are suitable, but also Shuanglong Cave clear spring water watering, coupled with the local many experienced flower farmers, carefully cultivated, not only rich in output, and high quality, with round head, large grains, full, white, smooth, high aroma content and other advantages. It is used to scent scented tea with outstanding flavor.
Scenting technology of scented tea: first refine the scented tea to provide high quality tea blanks for scenting scented tea. Before scenting, first dry the tea billet, reduce the water content of the tea to 40.5%, then naturally cool to 30,33 ℃, and start scenting flowers. The proportion of tea and flowers depends on its variety and grade. Such as high-grade jasmine peak, every 100 kg of tea with 150 kg of jasmine. After scenting the flowers for 6 times, the final product is finished by jacquard, flowering, uniform packing and other processes. The technical requirements of scented tea processing are high, so we must pay attention to the three important links of fresh flowers, tea billet absorbing fragrance, reheating and protecting fragrance, and pay attention to the unique requirements of "dry, cool, uniform and fast" in the scenting process.
The characteristics of jasmine maofeng tea are as follows: silver hair exposed all over the body, tight flowers in bud leaves, yellow and green in color, golden and clear in soup, full-bodied, refreshing and refreshing taste of tea, and beautiful and natural shape in the staggered cup of flag gun. Drinking this tea not only has the effect of beneficial to human health, but also has the pharmacological effect of jasmine.
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Quality Control of Jasmine Tea
Because jasmine tea is different from other teas, it uses baked green tea blank and jasmine flowers as raw materials, and the requirements for moisture and temperature in the processing process are stricter. Therefore, the quality management of scented tea should pay special attention to the raw material management, scenting process management and environmental quality management. 1, raw material management to strengthen the procurement of raw materials, acceptance and management. Confirm that roasted green tea and jasmine flowers are from certified green food producing areas. Jasmine flowers, in particular, should strictly control the pesticides and fertilizers used in the planting process, and green food.
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Water-saving and high-yield rice produces jasmine fragrance
It has become a reality to put on shoes to go to the fields and save water to grow rice. A team led by Luo Lijun from Shanghai Agrobiological Genome Center created the world's first early hybrid rice, "Huhan 1A", and made a new breakthrough. Hanyou 3 has been approved, and the actual yield per mu has exceeded 500 kg for the first time under the condition of saving 50% of water resources. In the early rice hybrid research in Shanghai, it took scientists 10 years to screen 10,000 resources and obtained more than 100 drought-resistant resources as parents for breeding. "the characteristic of hybrid rice is high yield, just like that made by
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