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Inventions group relates to food industry. Tea leaves are air-dried till moisture content is equal to 64-70%. The leaves are macerated by way of their passing through a rotary lobed machine wherein some of lobes are replaced with lobes invertedly reversed. Tea leaves leaving the rotary lobed machine are additionally cut by way of passing through a CTC-machine. The machine blade has 2-6 teeth per inch. Tea leaves are fermented and fire-dried for fermentation termination. Leaves are dried and sorted to produce black leafy tea. Black leafy tea has the appearance of orthodox leafy tea sized Broken Orange Pekoe or bigger. |
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Product of green tea leaves and its production method Present invention relates to production of Camellia sinensis var. Assamica green tea wherein one infuses 2 g of tea leaf in 200 ml of water during 1.5 minutes at a temperature of 90°C to produce a beverage including catechins in an amount of 0.01-0.1 % of the beverage weight. Additionally the present invention relates to a method for production of a product of tea leaf wherein fresh var. assamica is macerated using a combination of a rotorvane and a biconical processor. |
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Apparatus for controlling pressure of roller press Apparatus for controlling pressure under roller press piston has pressure sensor with electric output signal. Said sensor is connected with flexible pipeline disposed along perimeter between wooden pad and metal base of roller press and filled with liquid. Roller press is characterized in that pressure sensor is built into press, said sensor having hollow pipeline filled with liquid, hydraulic pressure sensor, stable voltage source, amplifier, standardizing converter and registering instrument. |
Another patent 2513186.