Preparation method of lonicera caerulea compound beverage
A production method and a technology of indigo fruit are applied in the functions of food ingredients, food ingredients as taste improvers, food ingredients as taste improvers, etc., can solve problems such as difficult storage, short growth cycle of indigo fruit, etc., and achieve easy implementation, The effect of improving detoxification function and simple operation
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Embodiment 1
[0027] A kind of preparation method of blue indigo compound beverage, concrete operation steps are:
[0028] ① Preparation of indigo juice
[0029] a. Juice making: select fresh blue indigo fruit with the same maturity, remove secondary fruit and rotten fruit, wash them thoroughly with running water to remove all impurities, and then blanch them with boiling water at 100°C for 4-6 minutes to kill large scale on the surface Some microorganisms and softened peels are crushed by a crusher, and the juice is extracted by a continuous screw juicer;
[0030] b. Debittering treatment: add 0.4% sodium hydroxide and 100-180 mg / kg sodium sulfite to the coarsely filtered indigo juice, adjust the pH of the juice to 7-9, and keep it at 65-70°C for 15-25 minutes , and keep stirring, then cool to room temperature, add 0.5% citric acid, adjust its pH to 4~5, set aside;
[0031] c. ultrafiltration: under the pressure of 5 MPa, the indigo juice through the debittering process is ultrafiltered ...
Embodiment 2
[0047] A kind of preparation method of blue indigo compound beverage, concrete operation steps are:
[0048] ① Preparation of indigo juice
[0049] a. Juice making: select fresh blue indigo fruit with the same maturity, remove secondary fruit and rotten fruit, wash thoroughly with running water to remove all impurities, and then blanch with boiling water at 100°C for 4 to 6 minutes to kill large Some microorganisms and softened peels are crushed by a crusher, and the juice is extracted by a continuous screw juicer;
[0050] b. Debittering treatment: add 0.4% sodium hydroxide and 100-180 mg / kg sodium sulfite to the coarsely filtered indigo juice, adjust the pH of the juice to 7-9, and keep it at 65-70°C for 15-25 minutes , and keep stirring, then cool to room temperature, add 0.5% citric acid, adjust its pH to 4~5, set aside;
[0051] c. ultrafiltration: under the pressure of 5 MPa, the indigo juice through the debittering process is ultrafiltered with a hollow fiber ultrafil...
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