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Ultrasonic extraction method of lycium barbarum polysaccharide

A wolfberry polysaccharide and ultrasonic technology, which is applied in the field of wolfberry polysaccharide extraction, can solve the problems of large amount of extraction solvent, complicated process, and high cost, and achieve the effect of low cost, small amount, and high yield

Inactive Publication Date: 2013-05-29
NINGXIA MEDICAL UNIV
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Problems solved by technology

[0004] The invention provides a method for ultrasonically extracting polysaccharides from Lycium barbarum, aiming to solve the problems of complex process, large amount of extraction solvent, low yield and high cost in the traditional extraction process of Lycium barbarum polysaccharides

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  • Ultrasonic extraction method of lycium barbarum polysaccharide
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[0017] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0018] The object of the present invention is to provide a kind of method for ultrasonic extraction Lycium barbarum polysaccharide, this method comprises the following steps:

[0019] Step 1: Accurately weigh 5g of wolfberry dry powder, place in a conical flask and add 150mL of distilled water;

[0020] Step 2: Ultrasonic extraction twice, filtering, combining the filtrates, precipitating with 95% ethanol, standing for 24 hours and then suction filtration;

[0021] Step 3, the obtained solid matter is washed with 95% ethanol, absolute ethanol, and acetone in sequence, and vacuum-dried at 50°C to obtai...

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Abstract

The invention belongs to the technical field of lycium barbarum polysaccharide extraction, and provides an ultrasonic extraction method of lycium barbarum polysaccharide. The method comprises the following steps of: accurately weighing 5g of lycium barbarum dry powder, placing in a conical flask and adding 150mL of distilled water; performing ultrasonic extraction twice, filtering, combining the filtrates, precipitating with 95% ethanol and standing for 24 hours before suction filtration; washing the obtained solid matter sequentially with 95% ethanol, absolute ethyl alcohol and acetone; and performing vacuum drying at 50 DEG C to obtain the coarse powder of solid matter lycium barbarum polysaccharide, wherein the best technological conditions of the ultrasonic extraction of lycium barbarum polysaccharide are as follows: the ultrasonic material-liquid ratio is 1:30, the power is 90W, the time is 30min, and the extraction is conducted twice; and moreover, the extraction technology is simple, the usage amount of the extraction solvent is small, the yield is high, the cost is low, and a great value in popularization and application is realized.

Description

technical field [0001] The invention belongs to the technical field of wolfberry polysaccharide extraction, in particular to a method for ultrasonically extracting wolfberry polysaccharide. Background technique [0002] Lycium barbarum is a plant of the genus Lycium barbarum in the family Solanaceae, and its fruit, Lycium barbarum, is a traditional precious Chinese medicinal material in my country, known as "Red Treasure". Lycium barbarum is rich in plant polysaccharides, protein, vitamins and other nutrients. It has the functions of protecting liver and lungs, nourishing kidneys and improving eyesight, nourishing qi and promoting essence, eliminating fatigue, strengthening muscles and bones, anti-aging, lowering blood sugar, lowering blood lipids, and enhancing immunity, etc. Pharmacological effects have always been highly valued by Chinese and foreign medical and dietary experts. Lycium barbarum polysaccharide is an important biological regulator, which can regulate the b...

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Application Information

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IPC IPC(8): C08B37/00
Inventor 白长财付雪艳韩璐高晓娟周丽赵云生刘莉张自萍
Owner NINGXIA MEDICAL UNIV
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