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Extraction method of black kidney bean extract

An extraction method, black kidney bean technology, which is applied in the field of black kidney bean extract extraction, can solve the problems of increased kidney bean extraction cost, organic solvent residue, and long extraction time, and achieve the effects of easy absorption and utilization, improved quality, and shortened extraction cycle

Pending Publication Date: 2021-06-18
黔东南苗族侗族自治州农业科学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, the above-disclosed patent applications or prior art extraction methods for kidney beans are not suitable for black kidney beans. In addition, the currently disclosed extraction process has a low extraction rate of active ingredients in kidney beans, and the extraction time is longer, which increases the extraction rate of kidney beans. cost, but also cause waste of resources; or, organic solvents are added in the extraction process, resulting in more or less organic solvent residues in the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of extracting method of black kidney bean extract, comprises the following steps:

[0031] (1) Soaking: Wash the black kidney beans and place them in a soaking device, add 3 times the amount of water to soak the black beans;

[0032] The soaking temperature is 25°C and the time is 12h;

[0033] (2) Grinding: Pour the soaked black kidney beans into the grinder together with the soaking water, and turn on the grinder to grind to obtain the juice;

[0034] The temperature of the grinding is 55°C, the pressure is 0.02Mpa, and it is ground to pass through a 250-mesh sieve;

[0035](3) Extraction: microwave extraction of the juice obtained in step (2), then reflux extraction, after cooling to room temperature, ultrasonic extraction, centrifugation to remove residue, filter residue was extracted twice by repeating the above method, and the filtrate was combined three times, Concentrate under reduced pressure and dry in vacuum to obtain the black kidney bean extract; ...

Embodiment 2

[0038] A kind of extracting method of black kidney bean extract, comprises the following steps:

[0039] (1) Soaking: Wash the black kidney beans and place them in a soaking device, add 4 times the amount of water to soak the black beans;

[0040] The soaking temperature is 30°C and the time is 15h;

[0041] (2) Grinding: Pour the soaked black kidney beans into the grinder together with the soaking water, and turn on the grinder to grind to obtain the juice;

[0042] The temperature of the grinding is 65°C, the pressure is 0.05Mpa, and it is ground to pass through a 300-mesh sieve;

[0043] (3) Extraction: microwave extraction of the juice obtained in step (2), then reflux extraction, after cooling to room temperature, ultrasonic extraction, centrifugation to remove residue, filter residue was extracted twice by repeating the above method, and the filtrate was combined three times, Concentrate under reduced pressure and dry in vacuum to obtain the black kidney bean extract; ...

Embodiment 3

[0046] A kind of extracting method of black kidney bean extract, comprises the following steps:

[0047] (1) Soaking: Wash the black kidney beans and put them in a soaking device, add 3.2 times of black beans to soak in water;

[0048] The soaking temperature is 26°C and the time is 13h;

[0049] (2) Grinding: Pour the soaked black kidney beans into the grinder together with the soaking water, and turn on the grinder to grind to obtain the juice;

[0050] The temperature of the grinding is 57°C, the pressure is 0.03Mpa, and it is ground to pass through a 260-mesh sieve;

[0051] (3) Extraction: microwave extraction of the juice obtained in step (2), then reflux extraction, after cooling to room temperature, ultrasonic extraction, centrifugation to remove residue, filter residue was extracted twice by repeating the above method, and the filtrate was combined three times, Concentrate under reduced pressure and dry in vacuum to obtain the black kidney bean extract;

[0052] Th...

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Abstract

The invention discloses an extraction method of a black kidney bean extract. The extraction method comprises the following steps: (1) soaking: cleaning black kidney beans, putting the cleaned black kidney beans into a soaking device, and adding clear water 3-4 times of the black kidney beans for soaking; (2) grinding: pouring the soaked black kidney beans and the soaking water into a grinding machine, and starting the grinding machine for grinding to obtain juice; and (3) extracting: performing microwave extraction on the juice obtained in the step (2), then performing reflux extraction, cooling to room temperature, then performing ultrasonic extraction, performing centrifugal filtration to remove residues, repeating the method to extract the filter residues twice, merging three filtrates, and then performing vacuum concentration and vacuum drying to obtain the black kidney bean extract. According to the method, microwave extraction and ultrasonic extraction are combined, so that nutrient substances in the black kidney beans are effectively dissolved out, the extraction rate of the black kidney beans is increased, the extraction rate of effective components of the black kidney beans reaches up to 87.3%, introduction of acid, alkali and organic solvents is avoided, and the extraction cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of deep processing of agricultural products, and in particular relates to an extraction method of black kidney bean extract. Background technique [0002] Kidney beans are an edible legume. The scientific name is kidney beans, also known as kidney beans, frame beans, sword beans, lentils, jade beans, and beans. Tender pods or seeds can be used as fresh vegetables, canned, pickled, frozen and dried. It is a plant belonging to the genus Bean of the leguminous family Rosaceae. Kidney beans are rich in nutrients, rich in protein, fat, carbohydrates, dietary fiber, vitamin A, carotene, thiamine, riboflavin, niacin, vitamin C, vitamin E, calcium, phosphorus, sodium and other ingredients. Kidney beans are the champions of calcium supplementation. Kidney beans with skin contain 349 mg of calcium per 100 grams, which is nearly twice that of soybeans. Kidney beans are also rich in dietary fiber and have higher po...

Claims

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Application Information

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IPC IPC(8): A23L33/105A61K36/48A61K131/00
CPCA23L33/105A61K36/48A23V2002/00A23V2250/21
Inventor 王忠平杨仕国吴文和王凌志
Owner 黔东南苗族侗族自治州农业科学院
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