Kale concentrated juice and preparation method thereof

A technology for kale and concentrated juice, which is applied in the direction of food heat treatment, the function of food ingredients, food processing, etc., can solve the problems of increasing costs and unable to provide raw materials in four seasons.

Inactive Publication Date: 2018-05-18
SHANDONG LULING FRUIT JUICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the seasonal output of kale cannot provide raw materials in four seasons, and greenhouse planting increases the cost. With this concentrated juice production technology, most industrial production needs can be supplied throughout the year, and raw materials can be provided for the development of kale products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1. Cleaning: Clean the surface soil and impurities of the kale by means of running water;

[0031] 2. Crushing treatment: crush the kale, add softened water according to the ratio of demineralized water: kale = 0.5:1, and crush it into a kale slurry;

[0032] 3. Blanching treatment: heat the kale slurry with 85°C tube steam for 2 minutes;

[0033] 4. Enzymolysis treatment: add pectinase 70ml / T, protease 800ml / T, enzymolysis at 45°C for 30 minutes;

[0034] 5. Squeeze treatment: use a crawler press to squeeze the kale juice;

[0035] 6. Centrifugal treatment: the centrifuge speed is 5000 rpm, the slag discharge cycle is 120 seconds, and the sealing cycle is 20 seconds;

[0036] 7. Sterilization treatment: heat the raw juice to 90°C and sterilize for 30 seconds;

[0037] 8. Concentration: Concentrate the raw kale juice to a soluble solid content of 10-45% through a vacuum evaporation evaporator;

[0038] 9. Pasteurization: The sterilization temperature is controlled a...

Embodiment 2

[0041] 1. Cleaning: Clean the surface soil and impurities of the kale by means of running water;

[0042] 2. Crushing treatment: crush the kale, add softened water according to the ratio of demineralized water: kale = 1:1, and crush it into a kale slurry;

[0043] 3. Blanching treatment: heat the kale slurry with 80°C tube steam for 5 minutes;

[0044] 4. Enzymolysis treatment: add pectinase 50ml / T, protease 1000ml / T, enzymolysis at 55°C for 30 minutes;

[0045] 5. Squeeze treatment: use a crawler press to squeeze the kale juice;

[0046] 6. Centrifugal treatment: the centrifuge speed is 5000 rpm, the slag discharge cycle is 120 seconds, and the sealing cycle is 20 seconds;

[0047] 7. Sterilization treatment: heat the raw juice to 90°C and sterilize for 30 seconds;

[0048] 8. Concentration: Concentrate the raw kale juice to a soluble solid content of 10-45% through a vacuum evaporation evaporator;

[0049] 9. Pasteurization: The sterilization temperature is controlled at...

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PUM

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Abstract

The present invention provides kale concentrated juice and a preparation method thereof. The kale concentrated juice is characterized by being obtained by washing, crushing, blanching, enzymolyzing, squeezing, centrifuging, sterilizing and concentrating. The kale concentrated juice is green in appearance and color and luster, has a soluble solid content of 10-45% and a pH of 5.8-6.5, and has an inherent green color of kale.

Description

technical field [0001] The invention relates to a concentrated kale juice and a preparation method thereof, in particular to a method for preparing the concentrated kale juice after steam blanching, enzymolysis, sterilization and concentration, and belongs to the technical field of vegetable deep processing. Background technique [0002] Kale is native to the Mediterranean Sea and Asia Minor. It is a biennial or perennial herbaceous plant. It is a variety of Brassica oleracea and is the closest plant to wild cabbage. According to the use value, it is divided into two types: edible type and ornamental type. Kale is an extremely easy-to-grow, highly nutritious vegetable that is very low in calories (30 per 100g) and has no cholesterol. Edible kale leaves contain excellent soluble and insoluble dietary fiber, which helps control LDL cholesterol levels and protects the body from diseases such as hemorrhoids, constipation and colon cancer. [0003] As people know more about kal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/02A23L2/385A23L5/20
CPCA23L2/02A23L2/385A23L5/21A23V2002/00A23V2200/048A23V2300/24A23V2300/50
Inventor 冷传祝于性善宋新飞姜南于英王子君李功董刚
Owner SHANDONG LULING FRUIT JUICE CO LTD
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