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Water extraction and foam separation method and foam separation device for tea saponin in camellia olefera cake

A technology of foam separation and camellia cake meal, which is applied in the directions of foam dispersion/prevention, chemical instruments and methods, sugar derivative preparation, etc., can solve the problems of low extraction yield and low purity of tea saponin, and achieves simple structure, Improved purity and easy cleaning

Active Publication Date: 2019-02-15
CHONGQING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In view of this, the present invention provides a water extraction-foam separation method and a foam separation device for tea saponin in camellia oleifera cake. The foam separation process is provided with repeated purification steps, which can solve the problem of the extraction yield of tea saponin well. The problem of low and low purity

Method used

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  • Water extraction and foam separation method and foam separation device for tea saponin in camellia olefera cake
  • Water extraction and foam separation method and foam separation device for tea saponin in camellia olefera cake
  • Water extraction and foam separation method and foam separation device for tea saponin in camellia olefera cake

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Experimental program
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Effect test

Embodiment 1

[0085] Tea saponin is extracted from tea cake powder by a method comprising the following steps:

[0086]In step A, the degreased camellia oleifera cake passed through a 40-mesh sieve was fully mixed with deionized water at a constant temperature, the solid-to-liquid ratio was 8:1, the pH value was adjusted to 8.5, extracted with water for 90 minutes at a temperature of 50°C, and then extracted at 5000°C centrifuge for 5 minutes, and the resulting supernatant is the tea saponin initial extract. After drying to constant weight, crude tea saponin was obtained.

[0087] Step B, dissolving the crude tea saponin obtained in step A in deionized water, and configuring the solute concentration to be 1.5mg / mL crude tea saponin aqueous solution, the above-mentioned crude tea saponin aqueous solution is passed through the feed pipe 11 from the middle of the foam separation tower 21. The lower position is injected into the foam separation tower, the feed amount is 110mL, and the electrom...

Embodiment 2

[0092] Tea saponin is extracted from tea cake powder by a method comprising the following steps:

[0093] Step A, fully mix the defatted camellia oleifera cake that has passed through a 40-mesh sieve with deionized water at a constant temperature, the solid-to-liquid ratio is 8:1, adjust the pH value to 8.5, and extract with water for 120 minutes at a temperature of 40°C and an ultrasonic power of 600W , and then centrifuged on a 5000 / r centrifuge for 5 minutes, the resulting supernatant was the initial tea saponin extract. After drying to constant weight, crude tea saponin was obtained.

[0094] Step B, dissolve the crude tea saponin obtained in step A in deionized water, configure the solute concentration to be 2.0 mg / mL crude tea saponin aqueous solution, and pass the above crude tea saponin aqueous solution through the feed pipe 11 from the middle of the foam separation tower to the bottom The position is injected into the foam separation tower, and the feeding amount is ...

Embodiment 3

[0099] Tea saponin is extracted from tea cake powder by a method comprising the following steps:

[0100] Step A, fully mix the defatted camellia oleifera cake through a 40-mesh sieve with deionized water at a constant temperature, the solid-to-liquid ratio is 10:1, adjust the pH value to 9.5, extract with water for 150 minutes at a temperature of 50°C, and then extract at 5000°C centrifuge for 5 minutes on a centrifuge, and the resulting supernatant is the initial extraction of tea saponin. After drying to constant weight, crude tea saponin was obtained.

[0101] Step B, dissolve the crude tea saponin obtained in step A in deionized water, configure the solute concentration to be 1.0mg / mL crude tea saponin aqueous solution, pass the above-mentioned crude tea saponin aqueous solution through the feed pipe 11 from the middle of the foam separation tower to the bottom The position is injected into the foam separation tower, and the feeding amount is 110mL. The electromagnetic a...

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Abstract

The invention relates to a water extraction and foam separation method of tea saponin in a camellia olefera cake. The water extraction and foam separation method comprises the steps of water extraction, foam separation, repeated purification and the like of the tea saponin. The invention also relates to a foam separation device; the foam separation device comprises a raw material treatment device,a foam treatment device and a foam reflux device. According to the water extraction and foam separation method and the foam separation device disclosed by the invention, the problems that the extraction rate of the tea saponin is not high and the purity of purification is not high can be well solved, and a green environment-friendly, simple and practical extraction and purification technology ofthe tea saponin is explored.

Description

technical field [0001] The invention relates to the technical field of extraction and purification of tea saponin from camellia oleifera cake, in particular to a water extraction-foam separation method and a foam separation device for tea saponin. Background technique [0002] Camellia oleifera seeds are abundant in my country. According to surveys, the annual output of camellia oleifera seeds has exceeded 1.2 million tons at this stage. However, the remaining tea cakes after oil extraction have become one of the huge by-products, with an average annual output of about 850,000 tons. However, due to the inactivity of its own properties and the backward purification process of tea saponin, it is very difficult to extract tea saponin therefrom, resulting in the waste of a large amount of camellia oleifera cakes rich in tea saponin. At present, most tea cakes are mainly burned as fuel, or exported cheaply. If tea cake resources can be fully utilized and tea saponin can be enric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08B01D19/02
CPCB01D19/02C07H1/08C07H15/256C07J63/008
Inventor 冉秀芝王敏郭芳王耀琼陈志李军
Owner CHONGQING UNIV OF TECH
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