Method for efficiently extracting Chinese wolfberry polysaccharide by adopting cold plasma wall-breaking technology

A technology of cold plasma and Lycium barbarum polysaccharide is applied in the field of high-efficiency extraction of Lycium barbarum polysaccharide, which can solve the problems of low polysaccharide extraction rate, high cost of enzymatic hydrolysis and high cost, and achieves the effects of high polysaccharide dissolution rate, broad application prospect and short time.

Inactive Publication Date: 2020-05-29
CHANGZHOU UNIV
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Problems solved by technology

The enzymatic hydrolysis method has the disadvantages of high cost,...

Method used

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  • Method for efficiently extracting Chinese wolfberry polysaccharide by adopting cold plasma wall-breaking technology

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] As shown in test numbers 2, 7, and 8 in Table 1: the raw material is directly subjected to wall-breaking treatment under a pressure of 160 Pa, a discharge power of 130 W, and a discharge time of 20 s through low-temperature plasma with He plasma. At this time, the total sugar The dissolution rate reached the highest value, with an average of 52.40%.

Embodiment 2

[0030] As shown in Test No. 1 in Table 1: the raw material is directly subjected to wall-breaking treatment by low-temperature plasma with He plasma under a pressure of 170 Pa, a discharge power of 140 W, and a discharge time of 20 s, and the processed wolfberry is soaked in hot water. The total sugar dissolution rate was measured to be 45.35%.

Embodiment 3

[0032] As shown in Test No. 3 in Table 1: the raw material was directly subjected to wall-breaking treatment by low-temperature plasma using He plasma under a pressure of 160 Pa, a discharge power of 120 W, and a discharge time of 15 s, and the measured total sugar dissolution rate was 49.09%. .

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Abstract

The invention belongs to the field of extraction of effective components of traditional Chinese medicines, and relates to a method for efficiently extracting Chinese wolfberry polysaccharide by adopting a cold plasma wall-breaking technology. According to the cold plasma wall-breaking technology wall-breaking treatment on a dry Chinese wolfberry raw material is carried out by utilizing a vacuum ultraviolet photon effect in cold plasma, so that more bioactive components in Chinese wolfberry are easy to dissolve out and extract. The method specifically comprises the following steps: helium gas (He) is used as a cold plasma gas source; He high-energy plasma and vacuum ultraviolet photons are generated by adjusting the He vacuum degree (50-250 Pa) and the discharge power (50-250 W), the surface of the Chinese wolfberry is evenly bombarded within a short time (5-45 s), modification and etching are generated, cell wall rupture is finally caused, and the pretreatment effect is achieved. According to the method, the Chinese wolfberry is subjected to wall-breaking treatment by adopting cold-temperature plasma to extract the Chinese wolfberry polysaccharide, and the method has the advantagesof relatively large primary treatment capacity, short time, low cost, environmental friendliness, high wall-breaking rate, high polysaccharide dissolution rate and the like.

Description

technical field [0001] The invention relates to a method for efficiently extracting wolfberry polysaccharides by adopting cold plasma wall-breaking technology, and belongs to the field of extraction of effective components of traditional Chinese medicines. Background technique [0002] Lycium barbarum is a thorny deciduous shrub belonging to the family Solanaceae and the genus Lycium barbarum. Among them, the fruit quality of Lycium barbarum L. from Ningxia was the best. Harvest when the fruit is orange-red in summer and autumn, dry until the skin is wrinkled, and then expose to the sun until the skin is dry and hard, and the flesh is soft, and the fruit stem is removed. The fruit is oval, 6-18mm long and 6-8mm in diameter. The surface is bright red or dark red, with irregular wrinkles, slightly shiny, with style scars at the top and fruit stem scars at the other end. The quality is soft, the pulp is thick and sticky, and contains 25-50 seeds. Seeds flat-reniform, 2.5mm ...

Claims

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Application Information

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IPC IPC(8): C08B37/00
CPCC08B37/0003
Inventor 朱劼汤羽萌王倩吴军邵汉良吴萍
Owner CHANGZHOU UNIV
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