Development and application of black tea and mulberry leaf tea

Like green tea and oolong tea, black tea is also made of Camellia sinensis leaves After fermentation, catechins undergo oxidative polymerization, forming red theaflavins and thearubicin Mitsui agroforestry company, which has been operating black tea for many years, published a research report on the role of theaflavins in inducing gastric cancer and colorectal cancer at the Japanese Cancer Society held in 1998 The company not only has a large market share in the green tea polyphenol compound material market, but also operates the black tea as raw material The black tea polyphenol compound material "polyphenono pf" has the same function as the green tea extract, and can play a special role in removing the fishy smell of meat At present, manufacturers pay special attention to the development of black tea flavor, aroma extract and powder products, and have been widely used in many food production, such as beverages, pastries and dessert In 1999, Changgang flavor company began to sell "organic black tea extract" which has been proved as organic food At the beginning, it only operated tea, and in June 2000, the extract processing process of Shizuoka factory was recognized by IMO, the organic food certification authority based in Switzerland It became the first factory operating organic black tea extract in Japan, and its products became the first organic black tea extract products on the market This product completely conforms to the strict organic food standard from the raw material, transportation to the whole processing process, and the quality is very good Because the company sent staff to live in India to select the raw materials after tasting at the local site, it not only has excellent flavor, but also conforms to the Japanese taste In addition, the market of life Food Research Institute has launched a variety of extracts using the natural aroma of tea The "water-soluble tea flavor" extracted by special steam distillation method and the "tea flavor" extracted by non decompression concentration method are divided into four types: Ceylon brand, Assam black tea, DAQILIN and Wuba, which have been used in beverages, jelly and other products In the production process, the tea flavor extract is also made into powder or granulation type by freeze drying or spray drying In addition, the company also operates green tea, oolong tea, herbal tea, baked tea and other tea extracts FIS operates black tea extract powder produced by its farms and factories in India Because of its good flavor and availability, it is well received in beverages, dessert and pastry At the same time, the company has recently officially launched the ultra-fine powder type black tea powder products newly developed by the micro powder food company in the market Because it is processed at low temperature, it can keep the inherent flavor of tea, and it is well received in confectionery and pastry Mulberry leaf tea has been learned that mulberry leaf tea can inhibit the rise of blood sugar and prevent diabetes The research and design team of functional food in Kanagawa, Japan, began to study mulberry leaves as early as 10 years ago The results showed that DNJ (1-deoxynojirimycin) in mulberry leaves could inhibit the absorption of glycogen in human body Later, in March 2000, we cooperated with Tama Health Food Co., Ltd and published the research results publicly: compared with Salahi River tea, ancient acorn (a fruit produced in South America) tea and Barnabas tea, mulberry leaf tea obviously inhibited α - glucosidase Now, tuoyao Tama health food company has launched mulberry leaf tea products with DNJ standardization in the market, and also supplies raw materials Due to the positive influence of TV advertisement, the market sales of mulberry leaf tea is growing rapidly At present, the raw material supply and trade volume to Southeast Asian countries is also developing The company not only sells the material product extract powder products in the market, but also produces and operates the weight-loss food, health food and candy containing mulberry leaf effective ingredients Based on the research results of cooperation with Kanagawa County, the company is working with the goal of obtaining the recognition of specific health food; it also puts forward research plans and programs for research and development of effective new products such as combination and use with other materials.