Effect of Different Green Tea Materials on the Quality of Tea Extract


The relationship between green tea raw materials and tea extracts was studied through sensory evaluation, catechin composition, tea polyphenols and caffeine content analysis of green tea raw materials and their extracts from Yunnan, Guangxi, Hunan and other places The results of sensory evaluation showed that the suitability of instant green tea from small and medium leaf species was better, but the processing rate was 26.75% lower than that from large leaf species. The content of tea polyphenols and total catechins in large leaf species were 40.27% and 39.71% higher than those of small leaf species, respectively, which were suitable for producing instant tea and catechin extracts with high content of catechins Taking Yunnan and Guangxi big leaf green tea as raw materials, the instant green tea was prepared through three different blending schemes. The complementarity of tea raw materials can be used to increase the production rate by 10.00% on the premise of maintaining a relatively stable and good quality.

The relationship between green tea raw materials and tea extracts was studied through sensory evaluation, catechin composition, tea polyphenols and caffeine content analysis of green tea raw materials and their extracts from Yunnan, Guangxi, Hunan and other places The results of sensory evaluation showed that the suitability of instant green tea from small and medium leaf species was better, but the processing rate was 26.75% lower than that from large leaf species. The content of tea polyphenols and total catechins in large leaf species were 40.27% and 39.71% higher than those of small leaf species, respectively, which were suitable for producing instant tea and catechin extracts with high content of catechins Taking Yunnan and Guangxi big leaf green tea as raw materials, the instant green tea was prepared through three different blending schemes. The complementarity of tea raw materials can be used to increase the production rate by 10.00% on the premise of maintaining a relatively stable and good quality.
Completed by: [1] Key Laboratory of Ministry of Tea Education, Hunan Agricultural University, Changsha 410128, Hunan [2] School of Horticulture and Landscape Architecture, Hunan Agricultural University, Changsha 410128, Hunan.


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It has a clean area of more than 400 square meters, perfect pilot plant equipment and crystallization and purification equipment for high-content products. It can process more than 1000 tons of Chinese herbal medicine raw materials every year.

Hunan World Well-Being Biotech is an enterprise engaged in the research, development, production, processing and sales of natural plant extracts. The company has complete equipment for extraction, concentration, extraction, column chromatography, spray drying, vacuum drying, crushing, mixing, screening, packaging, HPLC, UV and so on. It has a clean area of more than 400 square meters, perfect pilot plant equipment and crystallization and purification equipment for high-content products. It can process more than 1000 tons of Chinese herbal medicine raw materials every year. convenient transportation. We made full use of the local natural drug resources in Shimen, Hunan Province, and developed Eucommia ulmoides extract (chlorogenic acid 5%-98%, 5% Eucommia ulmoides, 98% aucubin, 90% terpineol diglucoside, 90% Eucommia ulmoides glycoside), citrus extract (Citrus Fruit instant powder, 90% hesperidin, 30% synephrine, 96% dihydrochalcone, orange peel oil, etc.) Tea extracts (98% tea polyphenols, 80% catechin, 99% theanine, 99.9% theaflavin, 98% EGCG) and other standard plant extracts and various single traditional Chinese medicine extracts. The company provides plant extracts for processing, which are produced in full accordance with the customer's production process requirements, and strictly keep the customer's information confidential.

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Based at home and facing the world, the company takes innovation as the core of the enterprise in concept, mechanism, management, marketing, technology, products and other aspects, implements near -, medium - and long-term planning oriented management, ensures the long-term, sustainable and leap forward development of the company, comprehensively improves the comprehensive quality of the enterprise, and forms its own intellectual property rights as the core technology, core products and management mode unique to scientific and technological small and medium-sized enterprises, To adapt to the development trend of global economic integration. The company takes into account the interests of shareholders, employees, society and other aspects, seeks the harmonious unity of the enterprise, nature and society, and makes more contributions to the country and society.

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It has rich production experience and strict quality control system, and has established a perfect sales service system

Our company is an enterprise specializing in the production and sale of natural green extracts, pharmaceutical intermediates, food and health food, cosmetics, food additives, feed additives as raw materials. The company has a number of scientific research, management and technical backbones, and has established close technical cooperation relations with colleges and universities and research institutions at home and abroad, and has hired domestic and foreign biotechnology experts as R & D consultants all the year round, as a strong backing for the company's R & D and technological upgrading. Relying on the independent cultivation and introduction of high-tech talents at home and abroad, and close cooperation with many scientific research institutions, a multidisciplinary, all-round and high-level technical and management elite team has been formed in the fields of extraction and separation, synthesis, fermentation, pharmacy, functional food chemistry, nutrition, biology, engineering, management and molecular structure modification. The company has complete extraction, separation, synthesis, physical sterilization and other production equipment, rich production experience and strict quality control system, and has established a perfect sales service system, with import and export rights and self-care inspection qualification.

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