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Method for extracting medlar polysaccharide

An extraction method and technology of wolfberry polysaccharide, which are applied in the field of high-efficiency and energy-saving extraction of wolfberry polysaccharide, can solve the problem that the extraction of active ingredients that do not involve fresh biological materials and the ultra-fine pulverization function using microwaves, the inability to dry wolfberry fruit in time, and the impact on wolfberry fruit Quality and safety problems, to achieve the effect of solving heavy labor and energy waste, reducing energy consumption, and saving extraction time

Inactive Publication Date: 2009-08-12
WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] On the one hand, the present invention is based on the problem urgently needed to be solved in the production practice of Chinese wolfberry in Ningxia, Northwest my country: the harvested wolfberry cannot be dried in time on rainy days, resulting in a large number of moldy wolfberry. The quality and safety of goji berries; in order to dry goji berries in time, many farmers adopt the method of baking, but the current annual output of goji berries in Northwest China is 200,000-300,000 tons, and baking wastes a lot of coal resources
However, the existing microwave and ultrasonic extraction devices do not involve the extraction of active ingredients from fresh biological materials and the ultrafine pulverization function of microwaves.

Method used

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  • Method for extracting medlar polysaccharide

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Embodiment 1

[0021] A kind of operation step of extracting polysaccharide from fresh medlar is as follows:

[0022] 1. Extract fully mature wolfberry;

[0023] 2. Use a refiner to grind the fresh wolfberry into a homogenate, which can be repeatedly refined once or twice or three times or four times according to the fineness of the homogenate;

[0024] 3. Pour fresh wolfberry homogenate into the container. The bottom of the container should be made of glass plate, and the microwave will act on the homogenate through the glass from the bottom; or the microwave will act on the homogenate from the top or side, and the corresponding microwave will pass through The surface is made of glass material;

[0025] 4. Microwave treatment until the homogenate temperature is 50 degrees Celsius or 60 degrees Celsius or 70 degrees Celsius or 80 degrees Celsius or 90 degrees Celsius or 100 degrees Celsius, and the boiling time lasts for 10 minutes or 20 minutes or 30 minutes or 40 minutes or 50 minutes or ...

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Abstract

The invention discloses an extraction method of wolfberry polysaccharide, comprising the following steps: A picking wolfberry; B grinding the fresh wolfberry into homogeneous pulp using a pulp grinder; C pouring the homogeneous pulp into a container; D microwave processing the homogeneous pulp to 50-100 centigrade and boiling the homogeneous pulp for 10-60 minute; E stopping the microwave processing and adding the purified water into the boiled pulp and continuously stirring up the pulp until the temperature is reduced to 50-80 centigrade; F inserting an ultrasonic rod to perform ultrasonic treatment for 20-90 minute; G processing the pulp being subjected to ultrasonic treatment using an industry centrifuges at 3000-5000 r and spilling out the supernatant and decompression concentrating H at 60-90 degree and adding alcohol until the final alcohol concentration is 80-90% and separating and precipitating the mixture using the industry centrifuges at 3000-5000 r to obtain the polysaccharide raw powder or coarse paste. The extraction method has features of high efficiency, energy saving and quick extraction speed. The extraction method solves the problem that the work for drying the wolfberry is heavy and the energy source is waste in Northwest China in harvest season and the extraction technology of the wolfberry polysaccharide is increased and the wolfberry polysaccharide yield is increased.

Description

technical field [0001] The invention relates to the extraction of polysaccharides from fresh wolfberry fruit, and the technical fields of microwave and ultrasonic waves. More specifically, it relates to a high-efficiency and energy-saving extraction method of wolfberry polysaccharides, which is especially suitable for directly processing wolfberry fruits in Ningxia wolfberry harvest season without drying or drying, saving manpower, material resources and energy, and at the same time, the rapid extraction process also improves production enterprises. extraction efficiency. Background technique [0002] Ningxia wolfberry is a traditional Chinese herbal medicine in my country. "Compendium of Materia Medica" records: "Nourishing liver and kidney, benefiting essence and eyesight". "Compendium of Materia Medica" states: "Goji berry can replenish qi, nourish blood, generate yang, grow yin, and dispel rheumatism. It has a wonderful effect." Traditional Chinese medicine in the pas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/28A23L1/212A23L1/29A23L1/09A23L33/125
Inventor 王瑛董静洲
Owner WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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