Concentrated purple sweet potato juice preparation method

A technology of purple sweet potato and purple sweet potato pulp, which is applied in food preparation, application, food science, etc., can solve the problems of being undrinkable, and achieve the effect of facilitating enzymatic hydrolysis and increasing the yield of juice

Inactive Publication Date: 2012-06-27
LINGBAO BRANCH OF SHAANXI HAISHENG FRESH FRUIT JUICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the above process is that the products pr

Method used

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  • Concentrated purple sweet potato juice preparation method
  • Concentrated purple sweet potato juice preparation method
  • Concentrated purple sweet potato juice preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] see figure 1 , a preparation method of concentrated clear juice of purple sweet potato, comprising the following steps:

[0031] 1. Selection and cleaning of raw materials:

[0032] 1.1 Check and accept the raw materials of purple sweet potato, use the water flow to transport, and the flow water is replaced every 8 hours;

[0033] 1.2 Enter the sorting table after a first-level upgrade, and pick out rotten, pests, black skin, and black-spotted purple potatoes;

[0034] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0035] 1.4 After three stages of lifting, it enters the roller bar, and at the same time, it is sprayed and cleaned with high-pressure water spray.

[0036] 2. Crushing and beating

[0037] 2.1 When crushing, add high temperature water (80°C-90°C) with the amount of purple sweet potato: water = 1:3, and control the crushing particle size below 6 mm;

[0038] 2.2 The raw material feed rate is 5t / h, which is determine...

Embodiment 2

[0078] A preparation method of purple sweet potato concentrated clear juice, comprising the following steps:

[0079] 1. Selection and cleaning of raw materials:

[0080] 1.1 Check and accept the raw materials of purple sweet potato, use the water flow to transport, and the flow water is replaced every 8 hours;

[0081] 1.2 Enter the sorting table after a first-level upgrade, and pick out rotten, pests, black skin, and black-spotted purple potatoes;

[0082] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0083] 1.4 After three stages of lifting, it enters the roller bar, and at the same time, it is sprayed and cleaned with high-pressure water spray.

[0084] 2. Crushing and beating

[0085] 2.1 When crushing, add high temperature water (90°C-100°C) with the amount of purple sweet potato: water = 1:2, and control the crushing particle size below 6 mm;

[0086] 2.2 The raw material feed rate is 5t / h, which is determined by the productio...

Embodiment 3

[0126] A preparation method of purple sweet potato concentrated clear juice, comprising the following steps:

[0127] 1. Selection and cleaning of raw materials:

[0128] 1.1 Check and accept the raw materials of purple sweet potato, use the water flow to transport, and the flow water is replaced every 8 hours;

[0129] 1.2 Enter the sorting table after a first-level upgrade, and pick out rotten, pests, black skin, and black-spotted purple potatoes;

[0130] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0131] 1.4 After three stages of lifting, it enters the roller bar, and at the same time, it is sprayed and cleaned with high-pressure water spray.

[0132] 2. Crushing and beating

[0133] 2.1 When crushing, add high temperature water (80°C-90°C) with the amount of purple sweet potato: water = 1:2, and control the crushing particle size below 6 mm;

[0134] 2.2 The raw material feed rate is 5t / h, which is determined by the production...

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Abstract

The invention discloses a concentrated purple sweet potato juice preparation method, the processing process does not need mechanical barking, when a purple sweet potato is crushed, through adding amylase and pectinase, the potato juice squeezing performance and the juice yield can be improved; soft water is further added in squeezed potato dregs to be squeezed again, and the juice yield is improved; when enzymolysis is carried out, the amylase, the pectinase and protease are used together to reach a better clear juice effect; and when purple sweet potato juice is concentrated, essences are refilled in the concentrated purple sweet potato juice, so the flavor of the purple sweet potato juice is improved.

Description

technical field [0001] The invention belongs to the technical field of fruit and vegetable juice processing, and relates to a preparation method of concentrated purple sweet potato juice. Background technique [0002] Purple potato (Solanum tuberdsm) is also called black potato, and its flesh is purple to dark purple. In addition to the nutrients of ordinary purple potatoes, it is also rich in selenium and anthocyanins. Anthocyanins have preventive and therapeutic effects on more than 100 diseases, and are known as the seventh essential nutrient after water, protein, fat, carbohydrates, vitamins, and minerals. Anthocyanins are the most direct, effective and safe free radical scavenger discovered by the scientific community to prevent and treat diseases and maintain human health. Its ability to scavenge free radicals is 20 times that of vitamin C and 50 times that of vitamin E. Purple sweet potato will become one of the main raw materials of anthocyanins. [0003] At prese...

Claims

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Application Information

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IPC IPC(8): A23L2/02A23L2/10A23L2/84A23L1/29A23L33/00
Inventor 孙晓科李银杰
Owner LINGBAO BRANCH OF SHAANXI HAISHENG FRESH FRUIT JUICE CO LTD
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