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Red date extract extraction method and red date extracts

A technology of jujube extract and extraction method, which is applied in the field of food processing, can solve problems such as complex extraction process, and achieve the effects of simple operation, low cost, and simple and efficient extraction method

Inactive Publication Date: 2013-10-02
申琳 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current method of extracting functional components from jujube only targets one of them, and the extraction process is complicated

Method used

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  • Red date extract extraction method and red date extracts
  • Red date extract extraction method and red date extracts
  • Red date extract extraction method and red date extracts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The extraction method embodiment one of jujube extract provided by the present invention may comprise the following steps:

[0028] Step 101, cleaning the defective dried red dates, drying the surface moisture, removing the pits to obtain jujube pulp, and crushing the pulp obtained after the pitting to 0.5mm-1.0mm.

[0029] Wherein, the bad dried jujube in the present invention refers to the bad jujube after air-drying, and the moisture content wherein is generally less than 25%.

[0030] The present invention adopts inferior jujube as raw material.

[0031] Wherein, the product obtained in this step (broken pulp) is the raw material granules of the present invention.

[0032] Step 102, put the product obtained in step 101 into a container, and add an ethanol solution with a volume concentration of 90%; the mass of the added 90% ethanol is 14 times the mass of the product obtained in step 101.

[0033] Step 103, the product obtained in step 102 is extracted and remove...

Embodiment 2

[0053] The steps of Embodiment 2 are the same as those of Embodiment 1 above, the difference is that in Embodiment 2:

[0054] The volume concentration of the ethanol in step 102 is 85%, and quality is 12 times of the product quality that step 101 obtains;

[0055] In step 103, the microwave power is 280W; the microwave heating time is 100 seconds;

[0056] In step 108, the mass of the added solvent is 18 times the mass of the precipitate B1, the pH value is adjusted to 8.0, the heating temperature is 80° C., and the heating time is 3.5 hours;

[0057] In step 110, the product obtained in step 109 is concentrated to 1 / 4 of the original volume;

[0058] In step 111, 5 times the volume of absolute ethanol is added to the product obtained in step 110;

[0059] In step 112, the product obtained in step 111 is dried and redissolved with 12 times the mass of water;

[0060] In step 113, the volume of chloroform added is 1 / 2 of the volume of the product obtained in step 112; the t...

Embodiment 3

[0062] The steps of the third embodiment are the same as those of the above-mentioned first embodiment, the difference is that in the third embodiment:

[0063] The volume concentration of the ethanol in step 102 is 80%, and quality is 16 times of the product quality that step 101 obtains;

[0064] In step 103, the microwave power is 420W; the microwave heating time is 140 seconds;

[0065] In step 108, the mass of the added solvent is 15 times the mass of the precipitate B1, the pH value is adjusted to 8.8, the heating temperature is 83° C., and the heating time is 3 hours;

[0066] In step 110, the product obtained in step 109 is concentrated to 1 / 5 of the original volume;

[0067] In step 111, 4 times the volume of absolute ethanol is added to the product obtained in step 110;

[0068] In step 112, the product obtained in step 111 is dried and redissolved with 9 times the mass of water;

[0069] In step 113, the volume of chloroform added is 1 / 4 of the volume of the prod...

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Abstract

The invention provides a red date extract extraction method and red date extracts. The method comprises: adding a 60-95% ethanol solution to raw material crushed particles prepared from inferior dried red date, and carrying out microwave extraction; filtering the microwave extracted product to obtain a solution A1 and a precipitate B1; concentrating the solution A1, adding a flocculant, filtering to obtain a solution A2 and a precipitate B2, and concentrating the solution A2 to obtain a date flavonoid extract; dissolving the precipitate B2 with dehydrated alcohol, filtering to remove insoluble substances to obtain a solution A3, and concentrating the solution A3 to obtain a date triterpene extract; adding a solvent to the precipitate B1, carrying out hot extraction, and filtering the hot extracted product to obtain a solution A4 and a precipitate B4; drying the precipitate B4 to obtain a date dietary fiber extract; and carrying out organic solvent impurity removing on the solution A4 to obtain a date polysaccharide extract. According to the present invention, a plurality of red date extracts are respectively subjected to diversion extraction utilization through a process so as to simplify the process and broaden a comprehensive utilization approach of inferior red date.

Description

technical field [0001] The invention relates to food processing technology, in particular to a method for extracting jujube extract and the extract. Background technique [0002] Jujube is the fruit of the deciduous tree jujube in the family Rhamnaceae. Jujube is sweet and delicious, rich in nutrition, and is deeply loved by people. [0003] Jujube contains essential amino acids for the human body. These include alanine, threonine, tryptophan, methionine, lysine, and valine that cannot be synthesized in adults, and histidine and arginine that are necessary but cannot be synthesized in children. Moreover, jujube fruit is rich in various vitamins, especially high in Vc content. The Vc content in 100g of fresh jujube is as high as 500-800mg, which is 1-2 times higher than that of kiwi fruit, 7-10 times higher than that of citrus, and 100 times that of apple. After fresh red dates are made into dried dates, the vitamins also have a high preservation rate. Every 100g of dried ...

Claims

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Application Information

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IPC IPC(8): A23L1/212A23L1/308A23L1/30C08B37/00A23L33/105A23L33/125A23L33/21
Inventor 申琳万丽生吉萍石聚彬
Owner 申琳
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