Method for extracting pepper oleoresin through ultrasonic continuous countercurrent

A technology of countercurrent extraction and pepper oil, which is applied in the direction of fat oil/fat production and fat generation, can solve the problems of undiscovered extraction reports, achieve good solubility and dispersibility, high extraction rate, and improve extraction yield Effect

Inactive Publication Date: 2013-04-24
天津市工业微生物研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] After searching, no report was found about the extraction of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1

[0020] A method for ultrasonic continuous countercurrent extraction of pepper oleoresin, the steps of which are:

[0021] (1) Pulverize the dried white pepper fruit, and transport the white pepper particles after passing through a 20-mesh sieve into a pre-soaked rubber dragon for pre-soaking;

[0022] (2) The pre-soaked white pepper particles are sent to the ultrasonic countercurrent extraction device for extraction. The solvent is alcohol with a concentration of 65%, the material-to-dissolving ratio is 1:5, the ultrasonic frequency is 10KHz, the extraction temperature is kept at 25 °C, and the extraction time is 30min. .

[0023] (3) The alcohol leaching solution after leaching enters the thin film evaporator for decompression evaporation and desolvation, and the obtained concentrate is pepper oleoresin, and the yield of pepper oleoresin can reach more than 10%.

Example Embodiment

[0024] Example 2

[0025] A method for ultrasonic continuous countercurrent extraction of pepper oleoresin, the steps of which are:

[0026] (1) Crush the dried black pepper fruit, and transport the black pepper particles after passing through a 40-mesh sieve into the pre-dipping rubber dragon for pre-dipping.

[0027] (2) The pre-soaked black pepper particles are sent to the ultrasonic countercurrent extraction device for extraction. The extraction alcohol concentration is 70%, the material-to-dissolving ratio is 1:7, the ultrasonic frequency is 28KHz, the extraction temperature is kept at 30 °C, and the extraction time is 60min.

[0028] (3) The alcohol leaching solution after leaching enters the thin film evaporator for decompression evaporation and desolvation, and the obtained concentrate is pepper oleoresin, and the yield of pepper oleoresin can reach more than 12%.

Example Embodiment

[0029] Example 3

[0030] A method for ultrasonic continuous countercurrent extraction of pepper oleoresin, the steps of which are:

[0031] ⑴. Crush the dried black pepper fruit, and transport the black pepper particles after passing through the 80-mesh sieve into the pre-dipping rubber dragon for pre-dipping.

[0032] (2) The pre-soaked black pepper particles are sent to the ultrasonic countercurrent leaching device for extraction, the extraction alcohol concentration is 90%, the material-to-dissolving ratio is 1:8, the ultrasonic frequency is 50KHz, the extraction temperature is kept at 40 °C, and the extraction time is 90min.

[0033] (3) The alcohol leachate after leaching enters the thin film evaporator for decompression evaporation and desolvation, and the obtained concentrate is pepper oleoresin, and the yield of pepper oleoresin can reach more than 15%.

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Abstract

The invention relates to a method for extracting pepper oleoresin through ultrasonic continuous countercurrent. The method comprises the following steps: (1) well-chosen black/white pepper dry fruits are smashed to pepper particles to pass through a screen with meshes of 20 to 80, and the screened pepper particles are conveyed in a pre-gumming cage for pre-gumming; (2) the pre-gummed pepper particles are passed in an ultrasonic countercurrent leaching device for extracting; extraction solvent is alcohol with concentration of 65-95%; the weight ratio of the pepper particles to the solvent is (1:5) to (1:10); the ultrasonic frequency range is 10-100 KHz; the leaching temperature is kept in a range of 25-40 DEG C; and the leaching time is 30-90 minutes; and (3) the leached alcohol leachate is passed in a film evaporator for reducing pressure, vaporizing and desolventizing; and obtained concentrate is the pepper oleoresin. The method can improve the dissolution rate of the pepper resin in peppers, shortens the extraction time, reduces the solvent dosage, is easy to operate and is low in labor intensity; and the pepper oleoresin obtained through extraction has excellent dissolution characteristic and dispersity.

Description

technical field [0001] The invention relates to a preparation method of pepper oleoresin, in particular to a method for ultrasonic continuous countercurrent extraction of pepper oleoresin. Background technique [0002] Pepper (Piper nigrum) is an evergreen small tree plant of the Piperaceae and Piper genus. It is one of the most important spice crops in the world. It is divided into white pepper and black pepper. From the end of autumn to the next spring, black pepper is harvested when the pepper fruit is dark green and sun-dried; harvested when the fruit turns red, soaked in water, wiped off the pulp, and sun-dried is white pepper. Pepper is native to tropical rain forests all over the Nanyang Islands, especially in Indonesia. It is also produced in Hainan, Guangdong, Guangxi, Yunnan and other places in my country. Pepper has the functions of both medicine and food. It is not only an indispensable spice and condiment on people's dining table, but also can be used as a raw ...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/10
Inventor 赵琼温冰徐勇虎王祥河许勤虎韩慧国华范婷墨玉欣
Owner 天津市工业微生物研究所有限公司
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