Processing method of high-theaflavin black tea beverage

Abstract

The invention relates to a processing method of a high-theaflavin black tea beverage, and belongs to the technical field of the processing method of the black tea beverage. The processing method of the high-theaflavin black tea beverage comprises the following steps of: 1) adding hot water to dried green tea for dynamic extraction, and then filtering tea grounds to obtain a tea soup; 2) cooling the tea soup, adding a fresh fruit syrup for aerobic stirring fermentation, filtering pomace to obtain a fermented high-theaflavin black tea juice; 3) the fermented high-theaflavin black tea juice sequentially being subjected to centrifugal separation and microfiltration membrance filtering to obtain a clarified high-theaflavin black tea juice; and 4) preparing, sterilizing and canning the clarified high-theaflavin black tea juice according to the concentration ratio required by the black tea beverage to obtain the high-theaflavin black tea beverage. The total amounts of flavor chemical substances tea polyphenols and amino acids in the black tea beverage obtained from the invention are respectively up to more than 500mg / L and more than 65mg / L, the soup is red brilliant and bright, the tea aroma is full-bodied, the flavor is fruity and hi-fresh, the tea tastes fresh, brisk and good, and the tea pigment content is high, wherein the theaflavin content can reach more than 80mg / L.

Description

technical field

[0001] The invention belongs to the technical field of black tea beverage processing methods, and in particular relates to a processing method of high theaflavin black tea beverages. Background technique

[0002] Black tea is a fully fermented tea, made from one bud and two to three leaves, and processed through four processes: withering, rolling, oxidation, fermentation, and drying. Black tea is reddish-brown in appearance, rich in aroma, sweet and mellow in taste, has various medicinal effects and health care functions, and is welcomed by consumers all over the world. The types of tea beverages stipulated in the national standard for tea beverages GB / T 21733-2008 mainly include tea beverages (tea soup), compound (mixed) tea beverages, juice tea beverages and high theaflavin tea beverages, milk tea beverages and milk-flavored tea beverages, carbonated tea Beverages, other flavored tea beverages and tea concentrates. Common black tea beverages on the market...