Fruit juice processing method capable of sterilizing and maintaining color
A processing method and juice technology, applied in the field of food processing, to achieve the effect of retaining color and flavor, reducing temperature and saving resources
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Embodiment 1
[0024] The invention provides a fruit juice processing method for sterilizing and maintaining color, which comprises the steps of:
[0025] S1: Choose Crown pears that are close to maturity, have a good appearance, and are free from diseases and insect pests;
[0026] S2: Peel the fruit after cleaning, remove the fruit stem, remove the core, cut into pieces, then squeeze the juice, filter and fill it in a transparent glass container;
[0027] S3: Transfer the glass container and the juice in it to the strong light treatment room, place it on a reflector, adjust the distance between the light source and the juice to 12cm, and the pulse strong light energy is 500J, and perform 30 pulse strong light flash treatments , the pulse frequency is 1Hz;
[0028] S4: heat-treating the fruit juice after the pulse flash irradiation treatment, the heat-treatment temperature is 65°C, and the heat-treatment time is 5 minutes;
[0029] S5: cooling the heat-treated fruit juice into aseptic bot...
Embodiment 2
[0031] The invention provides a fruit juice processing method for sterilizing and maintaining color, which comprises the steps of:
[0032] S1: Choose Crown pears that are close to maturity, have a good appearance, and are free from diseases and insect pests;
[0033] S2: Peel the fruit after cleaning, remove the fruit stem, remove the core, cut into pieces, then squeeze the juice, filter and fill it in a transparent glass container;
[0034] S3: Transfer the glass container and the juice in it to the strong light treatment room, place it on a reflector, adjust the distance between the light source and the juice to 9cm, and the pulse strong light energy is 400J, and perform 40 pulse strong light flash treatments , the pulse frequency is 1Hz;
[0035] S4: heat-treating the fruit juice after the pulse flash irradiation treatment, the heat-treatment temperature is 65°C, and the heat-treatment time is 5 minutes;
[0036] S5: cooling the heat-treated fruit juice into aseptic bott...
Embodiment 3
[0038] The invention provides a fruit juice processing method for sterilizing and maintaining color, which comprises the steps of:
[0039] S1: Choose Crown pears that are close to maturity, have a good appearance, and are free from diseases and insect pests;
[0040] S2: Peel the fruit after cleaning, remove the fruit stem, remove the core, cut into pieces, then squeeze the juice, filter and fill it in a transparent glass container;
[0041] S3: Transfer the glass container and the juice in it to the strong light treatment room, place it on a reflector, adjust the distance between the light source and the juice to 15cm, and the pulse strong light energy is 400J, and perform 50 pulse strong light flash treatments , the pulse frequency is 1Hz;
[0042] S4: heat-treat the fruit juice after pulse flash irradiation, the heat-treatment temperature is 70°C, and the heat-treatment time is 5 minutes;
[0043] S5: cooling the heat-treated fruit juice into aseptic bottles.
[0044] A...
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