Process for preparing pure crystal grape juice

A production process, grape juice technology, applied in the direction of food ingredients as odor improvers, food ingredients as taste improvers, food ingredients containing inorganic compounds, etc., can solve the problems of mixing, human health hazards, etc., and achieve the effect of increasing contact time

Inactive Publication Date: 2019-08-09
香格里拉(秦皇岛)葡萄酒有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After all, food additives are not natural ingredients of food. If they are used improperly, or the additives themselves are mixed with some harmful ingredients, they may cause certain harm to human health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation process of crystal grape juice, specifically comprising the following steps:

[0021] 1) Choose healthy and mature crystal grapes with a sugar content of 120g / L and a total acid content of 5.8g / L;

[0022] 2) Prepare a stainless steel tank with a manhole, and fill the bottom of the stainless steel tank with CO2 gas to ensure that the grape skins and juice are in direct contact with the CO2 gas;

[0023] 3) the crystal grapes prepared in step 1) are destemmed and broken, then packed into the rust-free steel tank prepared in step 2), and SO2 and pectinase are added alternately in the process of destemming, so that the final concentration of SO2 is 50mg / L, the concentration of pectinase is 20mg / L;

[0024] 4) After the crystal grapes are packed in cans, CO2 gas is added to the surface of the grapes to ensure that the surface of the grapes is protected by a 10cm-thick CO2 gas layer;

[0025] 5) Soak the grape skins and grape juice at 20°C for 12 hours, separ...

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PUM

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Abstract

The invention relates to a process for preparing a pure crystal grape juice. Immersion before peel-juice separation is adopted, CO2 protection is adopted during immersion to prevent the juice from being oxidized, and aroma-adding, flavoring and thickening food additives are not added. Through the immersion before peel-juice separation, the aroma substances and taste of grape peels are transferredinto the grape juice, so that the grape juice has more abundant natural fruit flavor and taste of crystal grapes. The taste and aroma of the grape juice obtained by means of the process are significantly better than those of a control group.

Description

technical field [0001] The invention relates to a production process of crystal grape pure juice. Background technique [0002] Juice is a juice product obtained from fruit as raw material through physical methods such as pressing, centrifugation, extraction, etc., generally refers to pure fruit juice or 100% fruit juice. With the improvement of consumers' health awareness, fruit juice products rich in essential vitamins and trace elements are more and more favored by consumers. Grape juice has the effect of lowering blood pressure, which in turn reduces the risk of stroke and heart disease. Grape juice helps to enhance liver function and promote bile secretion. Grape juice also contains substances similar to insulin secreted by the pancreas, so doctors include grape juice in the diet of diabetics, and it is used as a nutritious food for patients with gout, arthritis and rheumatism. [0003] In order to enhance the taste and aroma of the juice, grape juice producers usual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/02A23L2/56A23L2/64
CPCA23L2/02A23L2/56A23L2/64A23V2002/00A23V2200/16A23V2200/15A23V2250/16
Inventor 侯曼美
Owner 香格里拉(秦皇岛)葡萄酒有限公司
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