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Preparation method of litchi juice

A technology of lychee and preparation steps, applied in the field of preparation of lychee juice, can solve problems such as intolerance to storage, and achieve the effects of saving time, improving oxidation resistance and shortening cycle.

Pending Publication Date: 2016-09-28
GUANGXI JIANMEILE FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Litchi (scientific name: Litchi chinensis Sonn.) is native to southern China. It is a subtropical fruit tree, an evergreen tree, about 10 meters high. But not resistant to storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1) Take fresh lychees, wash them, peel them, remove their shells, and precook them under steam at 105°C for 10 seconds;

[0029] 2) Add deionized water 20 times the weight of lychees, and beat to obtain a slurry;

[0030] 3) Put the slurry into a magnetic field with a magnetic field strength of 2900Gs, and magnetize it at a temperature of 40°C for 20 minutes to obtain a magnetized slurry;

[0031] 4) Ultrasonically extract the magnetized slurry for 20 minutes at a power of 500 W and a temperature of 55° C. to obtain a litchi extract;

[0032] 5) Duplex filtration, clarification, centrifugation, adjusting sugar content to 10° and pH value to 6.5;

[0033] 6) Ultra-high pressure sterilization for 8 minutes under 450MPa power, filling to obtain the product.

Embodiment 2

[0035] 1) Take fresh lychees, wash them, peel them, remove their shells, and precook them under steam at 107°C for 9 seconds;

[0036] 2) Add 22 times the weight of litchi deionized water, beating to obtain slurry;

[0037] 3) Put the slurry into a magnetic field with a magnetic field strength of 2800Gs, and magnetize it at a temperature of 42°C for 18 minutes to obtain a magnetized slurry;

[0038] 4) Ultrasonically extract the magnetized slurry for 18 minutes at a power of 520W and a temperature of 52°C to obtain a litchi extract;

[0039] 5) Duplex filtration, clarification, centrifugation, adjusting sugar content to 11° and pH value to 6.2;

[0040] 6) Ultra-high pressure sterilization for 6 minutes under 470MPa power, filling to obtain the product.

Embodiment 3

[0042] 1) Take fresh lychees, wash them, peel them, remove their shells, and precook them under steam at 108°C for 8 seconds;

[0043] 2) Add deionized water 25 times the weight of lychees, and beat to obtain a slurry;

[0044] 3) Put the slurry into a magnetic field with a magnetic field strength of 2700Gs, and magnetize it at a temperature of 45°C for 15 minutes to obtain a magnetized slurry;

[0045] 4) Ultrasonic extraction of the magnetized slurry at a power of 550W and a temperature of 50°C for 15 minutes to obtain a litchi extract;

[0046] 5) Duplex filtration, clarification, centrifugation, adjusting sugar content to 12° and pH value to 6.0;

[0047] 6) Ultra-high pressure sterilization for 5 minutes under 480MPa power, filling to obtain the product.

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Abstract

The invention relates to the technical field of beverage preparation, in particular to a preparation method of litchi juice. The method comprises the following preparation steps that 1, fresh litchis are taken, cleaned, peeled, shelled and pre-boiled; 2, water is added for pulping, and pulp is obtained; 3, magnetization is conducted, and magnetized pulp is obtained; 4, ultrasonic extraction is conducted, and litchi extracting liquid is obtained; 5, duplex filtration, clarification and centrifugal separation are conducted, and the sugar content and pH value are adjusted; 6, ultrahigh pressure sterilization and filling are conducted, and the litchi juice is obtained. In the extraction process, water is used as solvent, economical efficiency and environment friendliness are achieved, and oxidation resistance of the litchi juice prepared through the method is remarkably improved.

Description

technical field [0001] The invention relates to the technical field of beverage preparation, in particular to a preparation method of lychee juice. Background technique [0002] Litchi (scientific name: Litchi chinensis Sonn.) is native to southern China. It is a subtropical fruit tree, an evergreen tree, about 10 meters high. But not resistant to storage. Together with bananas, pineapples and longan, lychees are known as the "four major fruits in the southern country". Litchi is sweet, sour, warm in nature, enters the heart, spleen, and liver meridians; it has the effects of nourishing the spleen and liver, regulating qi and nourishing blood, warming the middle and relieving pain, nourishing the heart and calming the nerves; the core has the effects of regulating qi, dispelling stagnation, and relieving pain; it can stop hiccups , anti-diarrhea, is a good food therapy product for intractable hiccups and early-warning diarrhea, at the same time, it has the effect of nouris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/04A23L2/70A23L33/105A23L2/42
CPCA23L2/04A23L2/42A23L2/70
Inventor 陆成明陆强宁赞琼
Owner GUANGXI JIANMEILE FOOD
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