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Preparation method of concentrated clear sweet potato juice with high color value

A technology of sweet potato juice and sweet potato, which is applied in the field of preparation of sweet potato concentrated clear juice with high color value, which can solve the problems of low juice yield, loss of nutrients, difficulty in pressing, etc., to avoid secondary turbidity, improve pressing performance, and clear juice clarification Effect

Inactive Publication Date: 2012-02-15
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 this method is that some nutrients are lost during the peeling process, and at the same time, the peeled sweet potatoes are in contact with air to cause enzymatic browning, which affects the color of the product; when the sweet potato pulp is pressed, it has a high viscosity and is difficult to squeeze, and the juice yield is not high. ;The clear juice after enzymatic clarification and filtration still has a lot of precipitation after standing, the clarification effect is not good, the color value of the product is unstable, and the turbidity of the product increases in the later stage of storage; during the concentration process, the sweet potato flavor is easily lost , product flavor is easily affected

Method used

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  • Preparation method of concentrated clear sweet potato juice with high color value
  • Preparation method of concentrated clear sweet potato juice with high color value
  • Preparation method of concentrated clear sweet potato juice with high color value

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] see figure 1 , a preparation method of sweet potato concentrated clear juice with high color value, comprising the following steps:

[0034] 1. Selection and cleaning of raw materials:

[0035] 1.1 Check and accept the sweet potato raw materials, use the water flow to transport, and the flow water is replaced every 8 hours;

[0036] 1.2 After a first-level upgrade, enter the sorting table to pick out rotten, pests, black skin, and black spot sweet potatoes;

[0037] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0038] 1.4 After three stages of lifting, it enters the roller bar for spray cleaning.

[0039] 2. Crushing and beating

[0040] 2.1 When crushing, add soft water with the amount of sweet potato: water = 1:2, and the crushing particle size is controlled at 2-3 mm;

[0041] 2.2 The raw material feed rate is 5t / h, which is determined by the production efficiency of the crusher;

[0042] 2.3 While crushing the sweet pota...

Embodiment 2

[0085] 1. Raw material acceptance

[0086] 1.1 Check and accept the sweet potato raw materials, use the water flow to transport, and the flow water is replaced every 8 hours;

[0087] 1.2 After a first-level upgrade, enter the sorting table to pick out rotten, pests, black skin, and black spot sweet potatoes;

[0088] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0089] 1.4 After three stages of lifting, it enters the roller bar for spray cleaning.

[0090] 2. Broken

[0091] 2.1 When crushing, add soft water with the amount of sweet potato: water = 1: 1.5, and the crushing particle size is controlled at 2-3 mm;

[0092] 2.2 The raw material feed rate is 5t / h, which is determined by the production efficiency of the crusher;

[0093] 2.3 While crushing the sweet potatoes, add 0.20kg / t of Isodimensional C sodium to the sweet potatoes, and dissolve the Isodimensional C sodium and water at a ratio of 1:10, and add it into the potato pulp...

Embodiment 3

[0135] 1 raw material acceptance

[0136] 1.1 Check and accept the sweet potato raw materials, use the water flow to transport, and the flow water is replaced every 8 hours;

[0137] 1.2 After a first-level upgrade, enter the sorting table to pick out rotten, pests, black skin, and black spot sweet potatoes;

[0138] 1.3 Enter the floating washing tank for cleaning after the second level of lifting;

[0139] 1.4 After three stages of lifting, it enters the roller bar for spray cleaning.

[0140] 2 broken

[0141] 2.1 When crushing, add soft water with the amount of sweet potato: water = 1:2, and the crushing particle size is controlled at 2-3 mm;

[0142] 2.2 The raw material feed rate is 5t / h, which is determined by the production efficiency of the crusher;

[0143] 2.3 While crushing the sweet potatoes, add 0.25kg / t of Isodimensional C Sodium to the sweet potatoes. The Isodimensional C Sodium and water are prepared by dissolving at a ratio of 1:10. Use a hose to add into...

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Abstract

The invention discloses a preparation method of concentrated clear sweet potato juice with high color value. The preparation method has the following beneficial effects: mechanical peeling is omitted in the processing course; the pressability of the sweet potato pulp can be improved and the juice yield can be increased by adding amylase and pulp enzyme when the sweet potatoes are broken; soft water is further added to the sweet potato residues obtained after pressing to carry out secondary pressing to increase the juice yield; during enzymolysis, the amylase, the pulp enzyme and protease are unitedly used, thus achieving better clear juice clarifying effect; after being clarified, the raw juice is adsorbed by macroporous resins to adsorb the pigment, thus increasing the color value of theclear juice, and such substances as polyphenol, pectin, proteins, pesticide residues and the like are further adsorbed and removed, thus avoiding secondary turbidity; and while concentrating the sweet potato juice, essences are backfilled in the concentrated sweet potato juice, thus improving the flavor of the sweet potato juice.

Description

technical field [0001] The invention belongs to the technical field of fruit and vegetable juice processing, and relates to a method for preparing sweet potato concentrated clear juice with high color value. Background technique [0002] Sweet potato belongs to the genus Ipomoea batata of Convolvulaceae, also known as sweet potato, sweet potato, sweet potato or yam. It is recorded in "Compendium of Materia Medica" that sweet potatoes have the effects of "tonifying deficiency, benefiting energy, strengthening spleen and stomach, and strengthening kidney yin", making people "longevity and less disease". Sweet potatoes are rich in starch, dietary fiber, carotene, vitamins A, B, C, E, potassium, iron, copper, selenium, calcium and more than 10 kinds of trace elements and linoleic acid. Immunity, with anti-cancer, beauty, health care functions. [0003] Sweet potato juice is a deep-processed sweet potato product that is rich in nutrition and easy to transport, and has a good ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/216A23L2/02A23L2/84A23L2/74A23L19/12
Inventor 李国良孙晓科迟雷张宏刚李银杰宋晓宇
Owner LINGBAO BRANCH OF SHAANXI HAISHENG FRESH FRUIT JUICE CO LTD
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