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Extraction process for antioxidant active substance and preparation process for antioxidant active particles

A technology of antioxidant activity and extraction process, applied in the field of health food, to achieve the effect of accelerating the rate and content, easy to carry and transport, and prolonging the storage time

Inactive Publication Date: 2017-08-08
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the solvent extraction process of polyphenols in lotus root, the ultrasonic-assisted extraction process of flavonoids in lotus root, the extraction process of water-soluble polysaccharides in lotus root, etc., but the synergistic extraction process of water-soluble antioxidant components in lotus root Studies have not been reported

Method used

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  • Extraction process for antioxidant active substance and preparation process for antioxidant active particles

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preparation example Construction

[0029] The preparation process of the above-mentioned extracted antioxidant active particles is liquid, although it can be used directly and has anti-oxidation effect, but the liquid is not easy to store, transport and carry.

[0030] Therefore, in order to solve this technical problem, the embodiments of the present invention granulate the extracted antioxidant active substances to obtain granules, which are convenient for carrying and transportation. Therefore, the embodiment of the present invention also provides a preparation process of antioxidant active granules: firstly, the antioxidant active substances in lotus root are granulated according to the above-mentioned extraction method, and the specific preparation process is as follows:

[0031] S1, spray drying:

[0032]The concentrated solution obtained after the above-mentioned concentration is passed into a spray drying tower for drying to obtain extract powder. The concentrated solution is dried to remove the moistu...

Embodiment 1

[0042] This embodiment provides an extraction process for antioxidant active substances:

[0043] Wash the freshly picked lotus root, freeze it for 36 hours at -18°C, then crush it and thaw it. The thawing temperature is room temperature and the thawing time is 4 hours. The crushed lotus root was mixed with deionized water at a mass ratio of 15:1, and then homogenized at a high speed of 10000 r / min for 6 minutes. Then soak in a constant temperature water bath at 80°C for 2 hours. Then perform centrifugation to obtain a supernatant, the centrifugation speed is 3500r / min, and the centrifugation time is 5 minutes. Finally, the supernatant was concentrated, and the concentration was 4 times. That is, the extraction of antioxidant active substances is completed.

[0044] This embodiment also provides a preparation process of antioxidant active particles:

[0045] Spray-dry the concentrated solution obtained above to obtain extract powder. The specific spray drying tower has an ...

Embodiment 2

[0047] This embodiment provides an extraction process for antioxidant active substances:

[0048] Wash the freshly picked lotus root, freeze it for 48 hours under the condition of -24°C, then crush it, and thaw it. The thawing temperature is room temperature, and the thawing time is 6 hours. The crushed lotus root was mixed with deionized water at a mass ratio of 10:1, and then homogenized at a high speed of 14000 r / min for 8 minutes. Then soak in a constant temperature water bath at 90°C for 4 hours. Then perform centrifugation to obtain a supernatant, the centrifugation speed is 4000r / min, and the centrifugation time is 8 minutes. Finally, the supernatant was concentrated, and the concentration was 3 times. That is, the extraction of antioxidant active substances is completed.

[0049] This embodiment also provides a preparation process of antioxidant active particles:

[0050] Spray-dry the concentrated solution obtained above to obtain extract powder. The specific spra...

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Abstract

The invention relates to the field of health food, in particular to an extraction process for an antioxidant active substance and a preparation process for antioxidant active particles. The extraction process for the antioxidant active substance comprises the following steps: homogenizing and extracting thick liquid of lotus root by using a high-speed homogenizing method, wherein the rotating speed of the high-speed homogenizing method is 6000 to 14000r / min, and the extraction temperature is 50 to 90 DEG C. According to the extraction process, the complete cell structure of the lotus root is destroyed by using strong mechanical and liquid shearing force according to the high-speed homogenizing method, thereby facilitating extraction of the antioxidant active substance in the lotus root. Pre-treatment on the lotus root further improves the extraction efficiency of the antioxidant active substance, and meanwhile, the classes of the extracted antioxidant active substances are perfected.

Description

technical field [0001] The invention relates to the field of health food, and in particular to an extraction process of antioxidant active substances and a preparation process of antioxidant active particles. Background technique [0002] Lotus root is a plant of the genus Lily in the family Nymphaeaceae. It is an important aquatic economic plant. It has both ornamental, edible and medicinal effects, and is loved by consumers. In my country, lotus root is mainly distributed in Hubei, Hunan, Zhejiang, Guangdong and other provinces, and it is the aquatic vegetable with the largest planting area and the highest yield in my country. Lotus root is rich in carbohydrates, starch, protein, tannins, lipids and other ingredients. In addition, it is also rich in a variety of active ingredients, such as dietary fiber, flavonoids, volatile oils, alkaloids, polysaccharides, etc., which have anti-inflammatory, It has broad development prospects for lipid-lowering, blood-pressure-lowering,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/105
CPCA23V2002/00A23V2250/21
Inventor 彭斌郑清余晓红封功能仇明
Owner YANCHENG INST OF TECH