Blueberry tea and preparation method thereof

Abstract

The invention provides a blueberry tea and a preparation method thereof. The raw material of the tea is blueberries. The blueberries are processes into dry sheets with thicknesses of 0.08-1mm. Or the thickness of the blueberry sheets can be 0.1-0.5mm, and micropores with sizes of 0.08-0.5mm are distributed on the blueberry sheets. The preparation method comprises the steps that: (1) fresh blueberries are washed and dried in air; (2) the blueberries are frozen for 5-10h under a temperature of -15 DEG C to -40 DEG C; (3) the frozen blueberries are fetched and are directly dried for 40-120min by baking under a temperature of 80-90 DEG C; (4) the blueberries dried in the step (3) are pressed, such that blueberry sheets are formed; and (5) the dried blueberry sheets are sterilized and packaged, such that the blueberry tea is prepared. In the step (4), the blueberry pressing step is carried out by using a double-roller machine. According to the invention, blueberries are prepared into tea, and can be fused into a tea beverage at any time. The blueberry tea can be conveniently carried, and the nutrients of blueberries can be eaten directly.

Description

technical field [0001] The invention relates to tea, which is blueberry tea and a preparation method thereof. Background technique [0002] Blueberry is a fruit with high nutritional value. Because of its high antioxidant activity, it can neutralize free radicals, delay the aging of brain nerves, lower cholesterol, eliminate inflammation in the body and prevent diabetes, so it is loved by people. Because the time period for directly eating blueberries is not long, the main edible varieties of blueberries that are resistant to storage and easy to transport are jam and wine. But, because making jam needs to add a lot of auxiliary materials, especially under the situation that the quality of auxiliary materials is more difficult to guarantee, when eating blueberry jam, also eat more auxiliary materials, have some influence on the health care effect that people expect. In addition, because blueberry foods such as jam or wine cannot be eaten at any time, and the content of blue...

AI Technical Summary

Problems solved by technology

But, because making jam needs to add a lot of auxiliary materials, especially under the situation that the quality of auxiliary materials is more difficult to guarantee, when eating blueberry jam, also edible more auxiliary materials, have some influence on the health care effect that people expect

In addition, because blueberry foods such as jam or wine cannot be eaten at any time, and the blueberry content is not high, people need to eat a lot of other foods while eating blueberries, which is difficult to achieve the purpose of health care

Moreover, these blueberry foods cannot be carried around and eaten at any time

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