CN101906254A - Method for extracting capsaicin ointment from dimethyl ether - Google Patents

Abstract

The invention relates to an extraction method of natural pigments, in particular to an extraction method of a capsaicin ointment. The extraction method comprises the following steps of: putting particles made by mildew-free dried chili powder into an extraction container; carrying out extraction on raw particle materials by taking dimethyl ether as a solvent, carrying out solid-liquid separation after extraction, and carrying out repeated extraction 2 to 8 times on separated solid phase; and carrying out filtration or settlement on liquid phase, removing tiny impurities in the liquid phase, decompressing and separating into gas phase and concentrate, controlling the temperature of the concentrate to 20 to 50 DEG C, removing water and volatile matters under the condition that the gauge pressure is less than -0.085Mpa, and preparing the capsaicin ointment. The capsaicin ointment extracted by using the method is not limited by species of raw materials and capable of fully utilizing raw material resources, has high extraction ratio, low slag residual, light color of chili meal, low production cost and remarkable market competition advantage, and is not only suitable for chili with low piquancy degree, but also suitable for chili with high piquancy degree.

Description

Dimethyl ether extracts red pigment ointment

FIELD

[0001] The present invention relates to a method for extracting natural pigment, particularly relates to a method of extracting the red pigment ointment.

Background technique

[0002] The red pepper is a common agricultural products, containing capsaicin (spicy pigment), natural red pigment and the like. Low spicy vegetarian as a condiment, highly spicy vegetarian has analgesic, anti-inflammatory, bactericidal effect; Paprika Oleoresin is a natural red pigment, can be used in medicine or senior cosmetics industry, without any side effects. Currently, the method for extracting red pigment from red pepper ointment are: n-hexane extraction method (CN1082570A); ethanol solvent extraction method (CN1053803A), etc., since the choice of starting material or pepper of different solvents, a mixture of the extracted components and also the number of are not the same, the resulting meal pepper or large water content, meal or black pepper, spicy red pigment or incomplete extraction, the lower yield, higher cost.

SUMMARY

[0003] The object of the present invention is to provide a method for extracting red pigment ointment, solvent extraction with diethyl ether as pepper, capsanthin ointment improve the yield, so residual slag pepper meal greatly reduced cost.

Method [0004] DME red pigment extracted ointment, comprising the steps of:

[0005] (1) Preparation of Pellets pepper: After the mold free of red pepper powder pulverized into 20~60 object caused φ2~5mm particulate material, into the extraction vessel;

[0006] (2) Extraction: dimethyl ether as the extraction solvent to particulate material, the particulate material to solvent weight ratio of 1: 0.8~6, extraction temperature is 10~45 ° C, the extraction time is 10~60min; after the end of the extraction liquid separation, the separated solid phase extraction conditions according to the above extraction was repeated 2~8 times, that is, the solid phase after the extraction meal pepper;

[0007] (3) recovery of the solvent: (2) will be separated from the liquid by filtration or sedimentation, wherein the fine impurities removed under reduced pressure and the concentrate separated into a gas phase, the solvent is recovered liquefied compressed gas;

[0008] (4) separating the product of: (3) separate temperature control in the concentrate 20~50 ° C, under a gauge pressure of less than 085Mpa _0, the removal of moisture and volatile matter, to obtain red pigment ointment.

[0009] The extraction method of the present invention is an ointment capsanthin, varieties of raw materials is not limited, and can make full use of raw material resources, extraction rate, low residual slag, light color meal pepper, chili not only for a low degree of hotness, and more suitable for a high degree of spicy chili, low cost of production, distinct competitive advantage.

Detailed ways

[0010] The following detailed description and the implementation of the process to achieve the present invention:

[0011] (a), the process

[0012] Step 1. Preparation of pepper pellets: After the machine with no red pepper mildew 20~60 mesh powder was pulverized into particles caused φ2~5 mm;

[0013] Step 2. Extraction: pepper according pellets prepared in Step 1, was weighed into an extraction vessel with diethyl ether as solvents, the pellet was extracted chili, wherein the weight ratio of the particulate material and a solvent is 1: 0.8~6, extraction temperature is 10~45 ° C, the extraction time is 10~60min; solid-liquid separation after completion of the extraction, the separated solid phase extraction was repeated according to the above process conditions 2~8 times extracted after pepper meal is the solid phase;

[0014] Step 3, recycling solvent: performs filtration or sedimentation from the liquid phase separation of Step 2, wherein the fine impurities removed under reduced pressure and the concentrate separated into a gas phase, the solvent is recovered liquefied compressed gas;

[0015] Step 4, the product separation: separated from the step 3 to the concentrate, to control the temperature at 20~50 ° C, a gauge pressure in the concentrate is less than -0 remove moisture and volatile matter under conditions of 085Mpa, is obtained. capsanthin the ointment.

[0016] The operation of the process are performed under conditions completely closed.

[0017] (II), implementation

[0018] The following further illustrate the process of the present invention DETAILED DESCRIPTION:

[0019] Example 1: Pellets pepper according to take the above-described process flows 100kg prepared in Step 1, was placed in the extraction vessel, 80kg dimethyl ether was added, extraction temperature of 45 ° C, the extraction time is 60min; after completion of the extraction solid-liquid separation, the separated solid phase extraction was repeated according to the above process conditions 2~8 times, namely a solid phase by repeatedly after meal pepper extract; filtration or sedimentation of the liquid phase, wherein the fine impurities removed under reduced pressure separated a gas phase and a concentrate, the solvent was recovered liquefied compressed gas; concentrate was controlled at a temperature of 20~50 ° C, a gauge pressure of less than -0 removal of moisture and volatile matter under conditions of 085Mpa, to obtain a red pigment ointment.

[0020] Example 2: To the above according to the process 100kg pepper pellets prepared in Step 1, was placed in the extraction vessel, 600kg dimethyl ether was added, extraction temperature of 10 ° C, the extraction time is IOmin; after completion of the extraction solid-liquid separation, the separated solid phase by repeating the above-described conditions was extracted twice, after solid phase extraction is the pepper meal; filtration or sedimentation of liquid phase, wherein the removal of fine impurities, and concentrated under reduced pressure and separated into a vapor phase was, the solvent was recovered liquefied compressed gas; concentrate at controlled temperature 20~50 ° C, under a gauge pressure of less than 085MPa -0 removal moisture and volatile matter, to give a red pigment ointment.

[0021] Example 3: To 100kg particulate material according to the above-described process pepper Step 1 prepared, placed in extraction vessel, 300kg dimethyl ether was added, extraction temperature of 30 ° C, the extraction time was for 30 min; after the end of extraction solid-liquid separation, the separated solid phase according to the above conditions was repeated extracted four times, after the solid phase extraction is the pepper meal; filtration or sedimentation of liquid phase, wherein the removal of fine impurities, and concentrated under reduced pressure and separated into a vapor phase was, the solvent was recovered liquefied compressed gas; concentrate at controlled temperature 20~50 ° C, under a gauge pressure of less than 085MPa -0 removal moisture and volatile matter, to give a red pigment ointment.

[0022] Example 4: According to take the above-described process 100kg pepper particulate material prepared in Step 1, was placed in the extraction vessel, IOOkg dimethyl ether was added, extraction temperature was 350C, the extraction time is 40min; after solid-liquid extraction separation of the solid phase separated by the above conditions was repeated extracted five times, namely solid-phase extracted after meal pepper; filtration or sedimentation of liquid phase, wherein the fine impurities removed under reduced pressure and the concentrate separated into a vapor phase, the solvent was recovered liquefied compressed gas; concentrate was controlled at a temperature of 20~50 ° C, a gauge pressure of less than -0 removal of moisture and volatile matter under conditions of 085MPa, to obtain a red pigment ointment.

[0023] Example 5: The pepper taken particulate material in the process described above 100kg prepared in Step 1, was placed in the extraction vessel, 200kg dimethyl ether was added, extraction temperature was 450C, the extraction time is 50min; after solid-liquid extraction separation of the solid phase separated by the above conditions was repeated extracted five times, namely solid-phase extracted after meal pepper; filtration or sedimentation of liquid phase, wherein the fine impurities removed under reduced pressure and the concentrate separated into a vapor phase, the solvent was recovered liquefied compressed gas; concentrate was controlled at a temperature of 20~50 ° C, a gauge pressure of less than -0 removal of moisture and volatile matter under conditions of 085MPa, to obtain a red pigment ointment.

Claims (3)

1. Dimethyl ether extracts ointment red pigment, characterized in that: (1) Preparation of Pellets pepper: The mold free of red pepper pulverized into pellets after 20 to 60 mesh powder caused into the extraction vessel; (2) extraction: dimethyl ether of particulate material to be extracted as a solvent, the weight ratio of particulate material to solvent is 0.8 to 6, the extraction temperature is 10 ~ 45 ℃, the extraction time was 10 ~ 60min; after completion of the extraction solid-liquid separation, the separated solid phase extraction conditions according to the above extraction was repeated 2 to 8 times, after the solid phase extraction is the pepper meal; (3) recovery of the solvent: (2) will be separated from the liquid by filtration or sedimentation , wherein the removal of fine impurities, separating a gas phase and a concentrate, the recovery of the solvent under reduced pressure liquefied compressed gas; (4) separating the product of: (3) controlling the temperature of the concentrate isolated in 20 ~ 50 ℃, a gauge pressure of less than -0.085 Mpa conditions, the removal of moisture and volatile matter, capsanthin give ointment. FSA00000205956000011.tif
2. 2. The method of claim 1 DME extraction capsanthin ointment as claimed in claim wherein: the weight of the particulate material and pepper solvent ratio of 1: 0.8~3, extraction temperature is 20~45 ° C, extraction time 20~50min, repeated extraction times 3 to 5 times.
3. 3. The method of claim 1 DME extraction of red pigment ointment claim, wherein: said separation temperature control product concentrate is 20~50 ° C, under a gauge pressure of less than 085Mpa of -0. , removal of moisture and volatile matter.