Method for extracting walnut oligopeptide from low-temperature squeezed hickory nut cake meal and application of walnut oligopeptide

A technology of walnut oligopeptide and hickory, applied in the field of biology

Active Publication Date: 2020-10-23
吴伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is still in the stage of experimental research and needs further development.

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  • Method for extracting walnut oligopeptide from low-temperature squeezed hickory nut cake meal and application of walnut oligopeptide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This example discloses a method for extracting walnut oligopeptides from low-temperature pressed pecan cakes, the process flow chart is as follows figure 1 As shown, it specifically includes the following steps:

[0036] (1) Raw material screening: select low-temperature pressed degreased pecan cakes with protein content ≥ 60% and oil content ≤ 15% on a dry basis.

[0037] (2) Dynamic extraction: use a dynamic micro-pressure extraction tank for extraction, add 10 times of pure water (based on the weight of the raw material) during extraction, adjust the pH to 8, raise the temperature and pressure to 100°C, 0.05MPa, and extract with constant temperature and micro-high pressure for 3 Hours, after extraction, the extract and slag are discharged into the soup storage tank together.

[0038] This equipment performs dynamic low-temperature extraction under the condition of stirring, and the liquid-solid contact is sufficient, which is more conducive to the full dissolution o...

Embodiment 2

[0053] This embodiment discloses a method for extracting walnut oligopeptides from low-temperature pressed pecan cake, which specifically includes the following steps:

[0054] (1) Raw material screening: select low-temperature pressed degreased pecan cakes with protein content ≥ 60% and oil content ≤ 15% on a dry basis.

[0055] (2) Dynamic extraction: use a dynamic extraction tank for extraction, add 9 times of pure water (based on the weight of raw materials) during extraction, raise the temperature and pressure to 80°C and 0 MPa, and extract with constant temperature and stirring for 3.5 hours. and drain into soup storage tanks. This equipment performs dynamic low-temperature extraction under the condition of stirring, and the liquid-solid contact is sufficient, which is more conducive to the full dissolution of the active ingredients of the material, and at the same time can avoid the loss of active ingredients caused by high temperature and high pressure damage to the ma...

Embodiment 3

[0069] This embodiment discloses a method for extracting walnut oligopeptides from low-temperature pressed pecan cake, which specifically includes the following steps:

[0070] (1) Raw material screening: select low-temperature pressed degreased pecan cakes with protein content ≥ 60% and oil content ≤ 15% on a dry basis.

[0071] (2) Dynamic extraction: use a dynamic micro-pressure extraction tank for extraction, add 8 times pure water (based on the weight of raw materials) during extraction, raise the temperature and pressure to 90°C and 0.03MPa, stir and extract at constant temperature and high pressure for 3.8 hours, and extract after extraction The liquid and slag are discharged into the soup storage tank together. This equipment performs dynamic low-temperature extraction under the condition of stirring, and the liquid-solid contact is sufficient, which is more conducive to the full dissolution of the active ingredients of the material, and at the same time can avoid the ...

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Abstract

The invention belongs to the technical field of biology, and particularly relates to a method for extracting walnut oligopeptide from low-temperature squeezed hickory nut cake meal and application ofthe walnut oligopeptide. The method for extracting walnut oligopeptide from low-temperature squeezed hickory nut cake meal comprises the following steps: extracting the low-temperature squeezed hickory nut cake meal to obtain a low-temperature squeezed hickory nut cake meal extracting solution, carrying out enzymolysis on the low-temperature squeezed hickory nut cake meal extracting solution stepby step, and performing purifying to obtain a walnut oligopeptide solution. The walnut oligopeptide prepared by the preparation method disclosed by the invention contains a large amount of high-quality proteins, also contains amino acids required by a human body and is rich in nutrition. The hydrolyzed hickory nut oligopeptide has the characteristics of good water solubility, good stability, easiness in digestion and absorption, low antigenicity and safety in eating, and has various biological activities of resisting oxidation, reducing blood pressure, regulating immunity and the like.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a method for extracting walnut oligopeptides from low-temperature pressed pecan cakes and an application thereof. Background technique [0002] Hickory is a deciduous tree belonging to the genus Hickory of the family Juglandaceae. It is also known as wild walnut and hemp walnut. It grows in the forests or valleys of the foothills. There are 18 plants of the genus Hickory in the world, including three subspecies. China It is one of the important origins of hickory, and it is planted in Zhejiang, Hunan, Guizhou, Yunnan and other places in my country. Pecan kernels are sweet and flat, and the whole body is a treasure. According to the "Compendium of Materia Medica", it has the functions of detoxifying and reducing swelling, warming the kidney and lung, nourishing qi and blood, regulating dryness and reducing phlegm. Modern research has found that hickory branches, leaves, ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/06C07K1/34C07K1/14A23L33/18A61K38/01A61P39/06A61P37/02A61P9/12
CPCC12P21/06C07K1/34C07K1/14A23L33/18A61K38/011A61P39/06A61P37/02A61P9/12A23V2002/00A23V2200/02A23V2200/326A23V2200/324A23V2250/55Y02P20/10
Inventor 不公告发明人
Owner 吴伟
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