Technology for extracting naringin and polysaccharides in grapefruit skin by ultrasonic assisted double aqueous phases

A pomelo peel, two-water-phase technology is applied in the directions of sugar derivatives, sugar derivatives, sugar derivatives preparation, etc., and achieves the effects of simple operation process, improved efficiency and high efficiency

Inactive Publication Date: 2019-07-16
FUJIAN ZISHAN GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved in the present invention is to overcome the existing defects, and to provide a process for ultrasonically assisted two-phase extraction of naringin and polysaccharides in pomelo peels, so as to solve the problems proposed in the above-mentioned background technology. The research on extracting polysaccharides or naringin is carried out separately, the efficiency is low and the cost is high, and it is not suitable for industrialized simultaneous extraction of polysaccharides and naringin
Unreported issues in the simultaneous extraction of naringin and polysaccharides from pomelo peel by double aqueous phase

Method used

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  • Technology for extracting naringin and polysaccharides in grapefruit skin by ultrasonic assisted double aqueous phases
  • Technology for extracting naringin and polysaccharides in grapefruit skin by ultrasonic assisted double aqueous phases
  • Technology for extracting naringin and polysaccharides in grapefruit skin by ultrasonic assisted double aqueous phases

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Effect test

Embodiment 1

[0054] An ultrasonic-assisted two-phase aqueous extraction process for naringin and polysaccharides in pomelo peels, comprising the following steps:

[0055] Step 1: Selection of pomelo peels: Choose fresh, non-rotten grapefruit peels, wash and set aside.

[0056] Step 2: drying: drying the pomelo peel until the moisture content is ≦0.5%.

[0057] Step 3: Crush and sieve: crush the pomelo peel with a high-speed universal grinder, and pass through a 80-100 mesh sieve for later use.

[0058] Step 4: Ultrasonic-assisted aqueous two-phase extraction: according to the ratio of material (pomelo peel powder): liquid (two-water phase) = 1:25-30, add pomelo peel powder to the two-phase system, and at the same time use ultrasonic waves for extraction .

[0059] Step 5: Suction filtration: After the extraction is completed, the extract is subjected to suction filtration.

[0060] Step 6: liquid separation: statically layer the suction filtrate, the upper liquid is the naringin extract...

Embodiment 2

[0076] An ultrasonic-assisted two-phase aqueous extraction process for naringin and polysaccharides in pomelo peels, comprising the following steps:

[0077] Step 1: Selection of pomelo peels: Choose fresh, non-rotten grapefruit peels, wash and set aside.

[0078] Step 2: drying: drying the pomelo peel until the moisture content is ≦0.5%.

[0079] Step 3: Crush and sieve: crush the pomelo peel with a high-speed universal grinder, and pass through a 80-100 mesh sieve for later use.

[0080] Step 4: Ultrasonic-assisted aqueous two-phase extraction: according to the ratio of material (pomelo peel powder): liquid (two-water phase) = 1:25-30, add pomelo peel powder to the two-phase system, and at the same time use ultrasonic waves for extraction .

[0081] Step 5: Suction filtration: After the extraction is completed, the extract is subjected to suction filtration.

[0082] Step 6: liquid separation: statically layer the suction filtrate, the upper liquid is the naringin extract...

Embodiment 3

[0098] An ultrasonic-assisted two-phase aqueous extraction process for naringin and polysaccharides in pomelo peels, comprising the following steps:

[0099] Step 1: Selection of pomelo peels: Choose fresh, non-rotten grapefruit peels, wash and set aside.

[0100] Step 2: drying: drying the pomelo peel until the moisture content is ≦0.5%.

[0101] Step 3: Crush and sieve: crush the pomelo peel with a high-speed universal grinder, and pass through a 80-100 mesh sieve for later use.

[0102] Step 4: Ultrasonic-assisted aqueous two-phase extraction: according to the ratio of material (pomelo peel powder): liquid (two-water phase) = 1:25-30, add pomelo peel powder to the two-phase system, and at the same time use ultrasonic waves for extraction .

[0103] Step 5: Suction filtration: After the extraction is completed, the extract is subjected to suction filtration.

[0104] Step 6: liquid separation: statically layer the suction filtrate, the upper liquid is the naringin extract...

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Abstract

The present invention discloses a technology for extracting naringin and polysaccharides in grapefruit skin by ultrasonic assisted double aqueous phases. The technology comprises the following steps:step one, grapefruit skin picking is conducted: fresh grapefruit skin free of rot and deterioration is selected and the selected grapefruit skin is washed clean for standby application; step two, drying is conducted: the grapefruit skin is dried to a moisture content of less than or equal to 0.5%; and step three: crushing and sieving are conducted: a high-speed universal crusher is used to crush the grapefruit skin and the crushed grapefruit skin passes a 80-100 mesh sieve for standby application. The prepared grapefruit skin polysaccharides have functions of improving human body immunity andthe naringin has effects of lowering blood fat, lowering cholesterol, etc.; the grapefruit skin raw material is wide in source and the operation technology is simple and high in efficiency, and has broad application prospects; and ultrasonic assisted double aqueous phase extraction greatly improves the efficiency of extracting the naringin and polysaccharides. Simple devices can be used to extractthe two biological active substances simultaneously, and the technology is broad in application prospects and can realize industrial production.

Description

technical field [0001] The invention belongs to the technical field of extracting naringin and polysaccharides from pomelo peels, and in particular relates to an ultrasonic-assisted two-phase aqueous phase extraction process of naringin and polysaccharides from grapefruit peels. Background technique [0002] my country is a big pomelo producing country. The average annual output of pomelo is about 547,000 tons, and pomelo peels, which account for 20% to 30% of pomelo weight, are often discarded, which not only pollutes the environment, but more importantly wastes potential nutrients and medicines. Use valuable resources. At present, there are many researches on the deep processing of pomelo peel at home and abroad, among which the method of extracting polysaccharides from pomelo peel is mainly hot water extraction; naringin is a kind of flavonoids, which accounts for More than 80% of the total weight can reduce blood viscosity and prevent cardiovascular diseases. Alcohol ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H17/07C07H1/08C08B37/00A61P37/04A61P3/06
CPCA61P3/06A61P37/04C07H1/08C07H17/07C08B37/0003
Inventor 林东杨叶辉李媛媛叶月红
Owner FUJIAN ZISHAN GRP
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