Active tea cream high in extraction rate and complete in beneficial component preservation and preparation method thereof
An extraction rate and beneficial technology, applied in the field of active tea paste and its preparation, can solve the problems of single extraction process, difficult dissolution of beneficial components, inactivation of tea leaves, etc., achieving large market promotion value, strong quality controllability, and increased The effect of controllability
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[0018] The preparation method of the active tea extract of the present invention comprises the steps of preparing materials, extracting, removing impurities, concentrating, and forming, and specifically comprises the following steps:
[0019] A. Material preparation: clean the raw materials to be extracted, remove impurities, and crush them to a size of 60-80 mesh for later use;
[0020] B. Extraction: Put the pulverized raw materials in the extraction tank, add the extractant at 40-60°C according to the ratio of material to liquid 1:10-15, and extract 1-2 times, each time for 10-20 minutes, Collect the low-temperature extract; then according to the material-to-liquid ratio of 1:5-10, add the extractant at 60-80°C, extract 1-2 times, and extract for 10-20 minutes each time, collect the high-temperature extract, and extract the second extract The extracts are mixed in a certain proportion to obtain the total extract;
[0021] C. Impurity removal: send the total extract to the ...
Embodiment 1
[0040] Preparation of tea paste:
[0041] Firstly, clean the cooked tea of grade 1~3 that has been stored for 3 years, remove impurities, and crush it to a size of 60 mesh for later use. Then, put the pulverized tea powder raw material in an extraction tank with an ultrasonic device, add deionized water at 60°C according to the material-to-liquid ratio of 1:10, and extract once at a power of 240W for 20 minutes each time , to collect the low-temperature extract. According to the material-to-liquid ratio of 1:5, add deionized water at 80°C, extract once, and extract for 20 minutes each time, collect the high-temperature extract, and mix the second extract at a ratio of 4:1 to obtain the total extract. Extraction. After the total extract is naturally cooled to room temperature, the tea dregs are removed through a filter membrane with a pore size of 1 μm, and then the clarified extract is passed through a filter membrane with a pore size of 0.001 μm and concentrated into a th...
Embodiment 2
[0045] Preparation of tea paste:
[0046] Firstly, clean the cooked tea of grade 1~3 that has been stored for 3 years, remove impurities, and crush it to a size of 80 mesh for later use. Then, put the pulverized tea powder raw material in an extraction tank with an ultrasonic device, add distilled water at 40°C according to the ratio of material to liquid 1:15, and extract twice at a power of 360W, each time for 10 minutes, and collect Low temperature extract. Then according to the ratio of material to liquid 1:10, add distilled water at 60°C, extract twice, each time for 10 minutes, collect the high-temperature extract, and mix the second extract at a ratio of 3:1 to obtain the total extract . After the total extract is naturally cooled to room temperature, the tea dregs are removed through a filter membrane with a pore size of 0.5 μm, and then the clarified extract is passed through a filter membrane with a pore size of 0.001 μm and concentrated into a thick paste with a...
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