Preparation method of alfalfa leaf protein peptide beverage
An alfalfa leaf protein and beverage technology, applied in food preparation, food science, application and other directions, can solve the problems of resource waste and lack of plant protein resources, and achieve the effect of high specificity, easier digestion and absorption, and easy digestion and absorption.
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Embodiment 1
[0028] A preparation method of alfalfa leaf protein peptide drink, the steps of the preparation method are:
[0029] (1) Using fresh alfalfa leaves at the budding stage as raw materials, alfalfa juice is obtained through processes such as washing, cutting, beating, and filtering;
[0030] (2) Place the obtained alfalfa juice in a constant temperature water bath shaker at a temperature of 50 °C for heat preservation treatment. The speed of the water bath shaker is 150 r / min. While shaking, add 1 mol / L hydrochloric acid solution dropwise to adjust the pH of the alfalfa juice When the value reaches the isoelectric point (4.0), the alfalfa leaf protein is precipitated. After centrifuging at 4000 r / min for 30 min, the supernatant is discarded, and the precipitated alfalfa leaf protein is freeze-dried at a temperature of - Pre-freeze in a low-temperature refrigerator at 60°C for 12 hours, and then transfer to a freeze dryer for 48 hours to freeze-dry to obtain alfalfa leaf protein f...
Embodiment 2
[0035] A preparation method of alfalfa leaf protein peptide drink, the steps of the preparation method are:
[0036] (1) Same as embodiment 1;
[0037] (2) Place the obtained alfalfa juice in a constant temperature water bath shaker at 50 °C for heat preservation treatment. The speed of the water bath shaker is 200 r / min. While shaking, add 1 mol / L hydrochloric acid solution dropwise to adjust the pH of the alfalfa juice When the value reaches the isoelectric point (4.0), the alfalfa leaf protein is precipitated. After centrifuging at 4000 r / min for 30 min, the supernatant is discarded, and the precipitated alfalfa leaf protein is freeze-dried at a temperature of - Pre-freeze in a low-temperature refrigerator at 60°C for 12 hours, and then transfer to a freeze dryer for 48 hours to freeze-dry to obtain alfalfa leaf protein freeze-dried powder;
[0038] (3) The obtained alfalfa leaf protein freeze-dried powder was made into an alfalfa leaf protein solution with a mass concentr...
Embodiment 3
[0042] A preparation method of alfalfa leaf protein peptide drink, the steps of the preparation method are:
[0043] (1) Same as embodiment 1;
[0044] (2) Place the obtained alfalfa juice in a constant temperature water bath shaker at 50 °C for heat preservation treatment. The speed of the water bath shaker is 200 r / min. While shaking, add 1 mol / L hydrochloric acid solution dropwise to adjust the pH of the alfalfa juice When the value reaches the isoelectric point (4.0), the alfalfa leaf protein is precipitated. After centrifuging at 4000 r / min for 30 min, the supernatant is discarded, and the precipitated alfalfa leaf protein is freeze-dried at a temperature of - Pre-freeze in a low-temperature refrigerator at 60°C for 12 hours, and then transfer to a freeze dryer for 48 hours to freeze-dry to obtain alfalfa leaf protein freeze-dried powder;
[0045] (3) The obtained alfalfa leaf protein freeze-dried powder was made into an alfalfa leaf protein solution with a mass concentr...
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