A kind of tea drink with low caffeine and weak bitter taste and preparation method thereof

Abstract

The invention provides a novel low-caffeine and weak-bitter-and-astringent-taste tea beverage and a preparation method thereof, and belongs to the technical field of soft beverages. A bacterial strain of penicillium sclerotiorum is preserved in the China Center for Type Culture Collection (CCTCC); the preservation number is CCTCC No: M2016543. Meanwhile, the invention provides a preparation method of the novel low-caffeine tea beverage. The preparation method comprises the following steps of leaching finished-product green tea in boiling water; after the leaching is finished, filtering an obtained mixture, so as to obtain green-tea filtrate; adding sucrose or glucose into the green-tea filtrate, and carrying out high-temperature sterilization, so as to obtain green-tea tea soup; activating the penicillium sclerotioru, and confecting penicillium-sclerotiorum suspension liquid; culturing the penicillium-sclerotiorum suspension liquid for 1 to 10 days in an aerobic manner, so as to obtain fermented green-tea tea soup; subjecting the fermented green-tea tea soup to sterilization and filtration, removing a deposit and a thallus, so as to obtain protoplasm of a low-caffeine and low-ester-catechin tea beverage. The method provided by the invention is simple, is easy to control; the novel low-caffeine and weak-bitter-and-astringent-taste tea beverage is mild in mouth feel, and has a tea aroma; a bitter and astringent taste in a tea beverage is obviously decreased; the flavor is unique; an original effective component in the green tea is retained.

Description

technical field [0001] The invention belongs to the technical field of soft drink processing, and in particular relates to a tea drink with low caffeine and weak bitter taste and a preparation method thereof. Background technique [0002] Tea beverage refers to tea soup made by soaking tea leaves in water, extracting, filtering, clarifying, etc. made products. Tea beverages refer to beverages processed from tea extracts, tea powder, and concentrates. They have the unique flavor of tea, contain natural tea polyphenols, caffeine and other active ingredients of tea, and have nutritional and health benefits. A refreshing thirst-quenching multipurpose drink. [0003] The development of tea drinks has gone through five stages: traditional brewing, instant tea, fruit juice tea, pure tea, and health tea. In the 18th century, European tea merchants imported from China a kind of dark tea cake made of concentrated tea extract, which was melted to make breakfast tea. This is the cone...

AI Technical Summary

Problems solved by technology

[0006] The applicant searched and found that no one has fermented Penicillium sclerotinum to prepare tea beverages. In order to expand the variety of tea beverages and solve the problem of high caffeine content in green tea beverages, the present invention provides a tea beverage product with unique flavor

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