Method for preparing apple-flavored low-coffeine black tea
A low-caffeine black tea and apple technology, applied in the field of food processing, can solve the problem that black tea is difficult to meet the diversified needs of the market, and achieve the effect of reducing the caffeine content
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Embodiment 1
[0020] A method for preparing apple-flavored low-caffeine black tea, comprising the steps of:
[0021] (1) The fresh tea leaves are graded according to the requirements of black tea, withered for 15 hours at a temperature of 24°C and a humidity of 65%, and the moisture content of the tea leaves is controlled at 60%.
[0022] (2) Spray the apple extract solution on the fresh tea leaves treated in step (1), and carry out rolling treatment for 1 hour; spray 10g of apple extract per 20kg of fresh tea leaves.
[0023] The preparation method of the apple extract is as follows: peel the apples and take the pulp, add vitamin C, the amount of vitamin C added is 1g of vitamin C per 1kg of apples; after crushing, apple puree is obtained, and ethanol solution is added to the apple puree, ethanol solution The concentration is 60% of the mass concentration, and the apple puree and ethanol solution are mixed at a volume of 1:6. Ultrasonic extraction is used, the extraction time is 18 minute...
Embodiment 2
[0030] A method for preparing apple-flavored low-caffeine black tea, comprising the steps of:
[0031] (1) The fresh tea leaves are graded according to the requirements of black tea, withered for 10 hours at a temperature of 30°C and a humidity of 75%, and the moisture content of the tea leaves is controlled at 65%.
[0032] (2) Spray the apple extract solution on the fresh tea leaves treated in step (1), and carry out rolling treatment for 1.5 hours; spray 12g of apple extract per 22kg of fresh tea leaves.
[0033] The preparation method of the apple extract is as follows: peel the apples and take the pulp, add vitamin C, the amount of vitamin C added is 1.5g of vitamin C per 1kg of apples; after crushing, apple puree is obtained, and ethanol solution, ethanol is added to the apple puree. The concentration of the solution is 60% by mass, and the apple puree and the ethanol solution are mixed at a volume ratio of 1:6. Ultrasonic extraction is used, the extraction time is 20 m...
Embodiment 3
[0040] A method for preparing apple-flavored low-caffeine black tea, comprising the steps of:
[0041] (1) The fresh tea leaves are graded according to the requirements of black tea, withered for 8 hours at a temperature of 34°C and a humidity of 80%, and the moisture content of the tea leaves is controlled at 72%.
[0042] (2) Spray the apple extract solution on the fresh tea leaves treated in step (1), and carry out rolling treatment for 2 hours; spray 15g of apple extract per 25kg of fresh tea leaves.
[0043] The preparation method of the apple extract is as follows: peel the apples and take the pulp, add vitamin C, the amount of vitamin C added is 2g of vitamin C per 1kg of apples; after crushing, apple puree is obtained, and ethanol solution is added to the apple puree, ethanol solution The concentration is 60% of the mass concentration, and the apple puree and ethanol solution are mixed at a volume of 1:6. Ultrasonic extraction is used, the extraction time is 22 minute...
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