CN1775868A - Water dispersion capsorubin mcrocapsule and its preparing method - Google Patents
Water dispersion capsorubin mcrocapsule and its preparing method Download PDFInfo
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- CN1775868A CN1775868A CN 200510045205 CN200510045205A CN1775868A CN 1775868 A CN1775868 A CN 1775868A CN 200510045205 CN200510045205 CN 200510045205 CN 200510045205 A CN200510045205 A CN 200510045205A CN 1775868 A CN1775868 A CN 1775868A
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Abstract
The invention discloses a water dispersible capsicum redness microcapsule and the method to manufacture. The wall material of the microcapsule is water dispersible high molecular material and the core material is capsicum redness, whose particle diameter is 30-100um. The process includes the following steps: manufacturing wall material and core material, emulsifying equal material and spraying equal material. The feature is the determination of the parameter of emulsifying equal material and spraying equal material. The invention is simple technology, and is suited for industry manufacturing.
Description
(1) technical field
Present technique relates to micro-capsule of a kind of aqueous dispersion type capsanthin and preparation method thereof.Belong to the micro-capsule inclusion technique.
(2) background technology
Capsanthin (Capsanthin) is to extract a kind of natural red colouring matter that obtains from plant of Solanaceae red pepper pericarp, has another name called the green pepper red pigment, capsanthin.Belong to xenthophylls class conjugated polyene hydrocarbon containing oxygen derivative, wherein main component is Capsorubin (C
40H
54O
3, molecular weight 584), capsorubin (C
40H
54O
4, molecular weight 600) etc.The existing CN 1035621C that openly reports of its preparation technology; CN 1203132C.Be mainly used in fields such as food, makeup, pharmaceuticals at present.When being applied to food such as beverage, jelly, soy sauce and candy, not only human body is had no side effect, and can increase carotenoid compounds in the human body, certain nutrient value is arranged.
Capsanthin is because Nantural non-toxic, bright-coloured lucid and lively, luminance brightness good, has huge development and application values.But because it belongs to oil-soluble pigment, be oily matter, therefore be restricted greatly in actual applications.
At first, capsanthin is water insoluble, and use range is limited.It is in the product such as cream, biscuit of solvent that oil-soluble pigment can only be applied to by grease, and the application in the product that with water is solvent is restricted.For example be used as colouring drinks, tend to make beverage to take place muddy or precipitation with capsochrome; Be applied in the medicine sugar-coat tinting material, must add solubilizing agent can be dispersed in the syrup.If make water soluble capsanthin pigment, just can be used for the painted of food such as soda pop, ice cream, candy, cake; And the buttery pigment has inconvenience at aspects such as packing, transportation, preservations more.
Secondly, the color stability of capsanthin is relatively poor.Capsanthin was to be stored in the intact cell of pepper fruit before being extracted, because cytolemma and form lipid with other composition, it has advantages of higher stability to photo-thermal etc.But after being extracted out, oxidizing reaction can take place in capsanthin under the condition of aerobic, and the existence of extraneous illumination high temperature and pro-oxidant etc. can be quickened its oxygenolysis again and fade.This also is the ubiquitous problems of most natural pigments.In synthetic colour gradually forbidden today, improve the availability performance of natural pigment, become comparatively severe problem.
At present, existing solvability and stable report about improving capsanthin.Li Yan etc. use the acetate of calcium metal, magnesium, zinc as complexing agent capsanthin to be carried out complex reaction, it is water-soluble to improve it, but weak point only is the pigment of a fixed structure is just worked, and can not handle all contained in capsanthin carotenoid materials fully.And because the bonding of metal ion, changed the structure of natural pigment, and security confirms as yet, referring to Li Yan, and Ye Xiujiao. the research of capsanthin modification and excipient. Food Additives Used in China, 2000, (1): 9-11.Xia Bangqi carries out the colloidal solution that aqueous dispersion type is made in emulsification with capsanthin, and apply it in Chinese gooseberry beverage and the soy sauce as tinting material, place 6 months no layering and precipitating phenomenons, referring to Xia Bangqi, water soluble capsanthin pigment preparation and applied research thereof, western science and technology of grain and oil, 1998,23 (6): 49-51 still is a liquid state but its shortcoming is the capsanthin product, inconvenience transportation and storage.Not seeing up to now has relevant capsanthin patent document openly.
(3) summary of the invention
The present invention is directed to the deficiencies in the prior art, micro-capsule of a kind of aqueous dispersion type capsanthin and preparation method thereof is provided.
Capsanthin micro-capsule of the present invention is made up of wall material and core, has good water dispersible, high stability color and luster and applicability widely, and it is simple that the preparation method has technology, the with low cost and characteristics that are easy to realize.
Water dispersion capsorubin mcrocapsule of the present invention is made of wall material and core, and the wall material is a water-soluble high-molecular material, core is a capsanthin, the weight ratio of core and wall material is 1～2: 3～100, and microcapsule diameter is 70～150 μ m, be a kind of can be in water the solid, powdery thing of stable dispersion.
Above-mentioned wall material water-soluble high-molecular material is selected from one of following or combination:
Gum arabic, gelatin, maltodextrin, xanthan gum, sodium alginate, starch, cellulose derivative, polyoxyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, lactose or sucrose.
Above-mentioned capsanthin preferred color of choice valency is E
1cm 1%The capsanthin of acetone＞100.
Above-mentioned capsanthin useful commercial capsanthin, the capsanthin that also can select for use from red pepper extraction separation voluntarily to obtain.Can adopt the extractive technique of existing natural plant pigment in this area about the preparation methods such as extraction of capsanthin.The preparation method of capsanthin provided by the invention is as follows:
Take by weighing 60 order dry paprika 1000g, add the 4000ml sherwood oil, sherwood oil boiling range 60-90, extracting 2h in the apparatus,Soxhlet's, the sodium chloride aqueous solution 2000ml and the industrial acetone 2000ml of adding 0.5% in the extracting solution stir 20min, and standing demix is got the upper strata.And then with method once, collect twice upper strata liquid of merging with the extracting solution extraction.With adding the NaOH solution 2000ml of 2N in the extraction liquid, stir 20min, standing demix then, discard impure water liquid, after the repurity once of reservation organic phase, distillation, slough and reclaim sherwood oil, promptly get the capsanthin that 50-60g does not have pungent, the red oily of outward appearance.
The preparation method of capsanthin micro-capsule of the present invention adopts spray-drying process, comprises the preparation of water and oil phase, even matter emulsification, spraying drying.Concrete steps are as follows:
1, the preparation of water and oil phase
Water-soluble high-molecular material (wall material) is added wiring solution-forming in the distilled water, and concentration is 2-60g/100ml, makes water.
Capsanthin (core) is dissolved in the lipophilicity solvent, and concentration is 10-100g/100g, and stirring and dissolving becomes oil phase.
Preferably, above-mentioned lipophilicity solvent is selected from vegetables oil, whiteruss or ethyl acetate.
2, the even matter of emulsification
Weight ratio by core and wall material is 1～2: 3～100, oil phase is joined the aqueous phase of continuous stirring, and add stablizer, by emulsor emulsification, makes emulsion, and even then matter becomes uniform and stable emulsion.Pressure was 20-40kg/cm when matter was spared in described emulsification
2, temperature is 30-60 ℃, even matter time 10-15min.
Preferably, the aforementioned stable agent is selected from tween, sucrose fatty ester, soybean phosphoric acid ester, monoesters or propylene glycol fatty acid ester.
Preferably, aforementioned stable agent dosage is a 0.4-20% weight.
After the emulsification of process emulsor, by after the even matter of high pressure homogenization machine, emulsion is more stable again through evidence, and the efficient of microencapsulation and productive rate all are higher than even matter treating product.
3, spraying drying
The spray-dried device of the emulsion that step 2 gained is uniform and stable, instant (1-2 second) spraying drying makes the spherical micro-capsule of bright red through the cyclonic separator separation; The capsule condition is made in described spraying: inlet temperature 150-220 ℃; Air outlet temperature 80-100 ℃; Air pressure 2-4kg/cm
2, the microcapsule diameter of making is 70-150 μ m.
Can also add antioxidant in the above-mentioned steps 2, antioxidant is selected from a kind of or combination in vitamins C, sodium isoascorbate or the vitamin-E.
Preferably, the dosage of above-mentioned antioxidant is a 1-5% weight.
The invention has the advantages that: the preparation technology of micro-capsule is simple, production cost is low, easy to implement; The particle diameter of micro-capsule is even steadily, and can regulate and control; The water dispersible of products obtained therefrom and spherical the maintenance well; Pigment is stable to be strengthened greatly; Encapsulation rate is greater than more than 98%.
The use range of product of the present invention comprises adds pharmaceutical prod, food, makeup etc. to.
The present invention adopts the microencapsulation inclusion technique, the butyrous haematochrome is wrapped in the water-soluble wall material, be spherical behind the inclusion, median size is at 70-150 μ m, make that at first the solvability of pigment is improved significantly, making it can uniform and stable dispersion in water, the use field of having widened capsanthin; Secondly owing to the package action of wall material, it is relative isolated to make that the pigment and the external world are in, and the stability of pigment itself also improves; Be once more the present invention product be the red solid powdery, lovely luster has excellent function character and package stability, is convenient to transportation storage, and is easy to use.
(4) embodiment
To set forth the present invention in more detail by embodiment below, but these embodiment limit scope of the present invention never in any form.
Embodiment 1.
1, water preparation: get gelatin 5g, xanthan gum 0.6g, sucrose 30g, dextrin 10g adding distil water 250ml fully dissolves, and is incubated standby.Oil phase preparation: capsanthin 5g is dissolved in the 30g soybean oil.
2, oil phase is slowly joined the aqueous phase of continuous stirring, and add the 15g tween-80, add the 5g sodium isoascorbate as antioxidant as stablizer.Above-mentioned solution by emulsor emulsification, is made O/W type emulsion, use high pressure homogenizer again in 20kg/cm
2, even matter 10min under 40 ℃ of conditions.
3, above-mentioned even matter liquid is injected spray-dryer, the instant spraying drying is collected micro-capsule through cyclonic separator.Spray condition is 150 ℃ of inlet temperature; 80 ℃ of air outlet temperatures; Air pressure 2kg/cm
2Average particle size, the encapsulation rate of product are listed in the table 1.
Embodiment 2.
1, water preparation: get gum arabic 10g, sucrose 20g, dextrin 20g adding distil water 250ml fully dissolves, and is incubated standby.Oil phase preparation: capsanthin 5g is dissolved in the 30g peanut oil.
2, oil phase is slowly joined the aqueous phase of continuous stirring, and add the 2.5g sucrose ester as stablizer.Above-mentioned solution by emulsor emulsification, is made O/W type emulsion, use high pressure homogenizer again in 30kg/cm
2, even matter 10min under 50 ℃ of conditions.
3, above-mentioned even matter liquid is injected spray-dryer, the instant spraying drying is collected micro-capsule through cyclonic separator.Spray condition is 180 ℃ of inlet temperature; 85 ℃ of air outlet temperatures; Air pressure 2kg/cm
2Average particle size, the encapsulation rate of product are listed in the table 1.
Embodiment 3.
1, water preparation: get Xylo-Mucine 6g, gelatin 30g, adding distil water 250ml fully dissolves, and is incubated standby.Oil phase preparation: capsanthin 5g is dissolved in the 15g soybean oil.
2, oil phase is slowly joined the aqueous phase of continuous stirring, and add 2g soybean phosphoric acid ester as stablizer.Above-mentioned solution by emulsor emulsification, is made O/W type emulsion, use high pressure homogenizer again in 20kg/cm
2, even matter 10min under 40 ℃ of conditions.
3, above-mentioned even matter liquid is injected spray-dryer, the instant spraying drying is collected micro-capsule through cyclonic separator.Spray condition is 200 ℃ of inlet temperature; 90 ℃ of air outlet temperatures; Air pressure 4kg/cm
2Median size, the encapsulation rate of product are listed in the table 1.
Embodiment 4.
1, water preparation: get methylcellulose gum 5g, polyvinylpyrrolidone 8g, sucrose 30g, adding distil water 250ml fully dissolves, and is incubated standby.Oil phase preparation: capsanthin 5g is dissolved in the 10g ethyl acetate.
2, oil phase is slowly joined the aqueous phase of continuous stirring, and add 3g propylene glycol fatty acid ester, 2g vitamins C, above-mentioned solution by emulsor emulsification, is made O/W type emulsion, use high pressure homogenizer again in 20kg/cm
2, even matter 10min under 40 ℃ of conditions.
3, above-mentioned even matter liquid is injected spray-dryer, the instant spraying drying is collected micro-capsule through cyclonic separator.Spray condition is 220 ℃ of inlet temperature; 100 ℃ of air outlet temperatures; Air pressure 3kg/cm
2Median size, the encapsulation rate of product are listed in the table 1.
The median size of table 1 product, drug loading and encapsulation rate data
| Sample | Median size/μ m | Encapsulation rate/% |
| 1 2 3 4 | 95 81 124 101 | 98.1 98.6 99.0 98.0 |
Stability test under embodiment 5. illumination conditions:
With the fluorescent lamp is light source, the capsanthin micro-capsule is placed in the lighting box apart from the suitable distance of light source (2000LX) sample layer thickness 5mm, light source is through the electronic AC voltage stabilizer voltage stabilizing, the natural wind cooling, capsanthin with not microencapsulation is contrast, and absorbance is measured in certain hour sampling at interval, and the drafting trend map, see Fig. 1.
Table 2 capsanthin and the content of pure capsanthin under illumination condition
| Time (d) | Absorbance (A) | |
| The capsanthin micro-capsule | Capsanthin | |
| 0 1 3 7 15 30 | 0.521 0.521 0.521 0.515 0.510 0.510 | 0.508 0.500 0.495 0.482 0.456 0.411 |
The mensuration of pigment in the micro-capsule:
Precision takes by weighing capsanthin micro-capsule 0.05g, adding distil water 2ml dissolving, and heating makes abundant dissolving in 60 ℃ of water-baths, add dehydrated alcohol 10ml, jolting makes broken wall, is transferred in the separating funnel, with chloroform 40ml gradation extraction (10,10,10,10ml), combined chloroform liquid adds anhydrous sodium sulphate 2g, jolting, placed several minutes, and filtered, be settled to 50ml with chloroform.Accurate absorption 1ml puts in the 25ml volumetric flask and adds acetone to scale, and the accurate 5ml that draws puts in the 25ml volumetric flask, adds acetone immediately to scale, measures absorbance at the 460nm place.
Do not use the mensuration of the pigment of micro-capsule inclusion:
Precision takes by weighing capsanthin 0.05g, adds the chloroform jolting and makes dissolving, shifts and is settled in the 25ml volumetric flask.The accurate 5ml that draws puts in the 25ml volumetric flask, adds acetone immediately to scale, measures absorbance at the 460nm place.
Claims (10)
1. the micro-capsule of an aqueous dispersion type capsanthin is made of wall material and core, and the wall material is a water-soluble high-molecular material, core is a capsanthin, the weight ratio of core and wall material is 1～2:5～100, and microcapsule diameter is 70～150 μ m, be-kind can be in water the solid, powdery thing of stable dispersion.
2. the micro-capsule of aqueous dispersion type capsanthin as claimed in claim 1 is characterized in that described water-soluble high-molecular material is selected from one of following or combination:
Gum arabic, gelatin, maltodextrin, xanthan gum, sodium alginate, starch, cellulose derivative, polyoxyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, lactose or sucrose.
3. the micro-capsule of aqueous dispersion type capsanthin as claimed in claim 1 is characterized in that described capsanthin is that the look valency is E
1cm 1%The capsanthin of acetone＞100.
4. the micro-capsule of aqueous dispersion type capsanthin as claimed in claim 1, it is characterized in that described capsanthin be prepare as follows and:
60 order dry paprika 1000g add the 4000ml sherwood oil, sherwood oil boiling range 60-90, and extracting 2h in the apparatus,Soxhlet's, the sodium chloride aqueous solution 2000ml and the industrial acetone 2000ml of adding 0.5% in the extracting solution stir 20min, and standing demix is got the upper strata.And then with the extracting solution extraction once with method, collect and merge twice upper strata liquid, with adding the NaOH solution 2000ml of 2N in the extraction liquid, stir 20min, standing demix then, discard impure water liquid, after keeping organic phase repurity once, sherwood oil is sloughed and is reclaimed in distillation, promptly getting 50-60g does not have the capsanthin of pungent, the red oily of outward appearance.
5. the preparation method of the described water dispersion capsorubin mcrocapsule of claim 1 adopts spray-drying process, and concrete steps are as follows:
(1) preparation of water and oil phase
Water-soluble high-molecular material is added wiring solution-forming in the distilled water, and concentration is 2-60g/100ml, makes water;
Capsanthin is dissolved in the lipophilicity solvent, and concentration is 10-100g/100g, and stirring and dissolving becomes oil phase;
(2) the even matter of emulsification
The oil phase of (1) joins the aqueous phase of continuous stirring set by step, and adds an amount of stablizer, by emulsor emulsification, makes emulsion, and even then matter becomes uniform and stable emulsion; Pressure was 20-40kg/cm when matter was spared in described emulsification
2, temperature is 30-60 ℃, even matter time 10-15min;
(3) spraying drying
The spray-dried device of emulsion that step (2) gained is uniform and stable, instant 1-2 spraying drying second makes the spherical micro-capsule of bright red through the cyclonic separator separation; The capsule condition is made in described spraying: inlet temperature 150-220 ℃; Air outlet temperature 80-100 ℃; Air pressure 2-4kg/cm
2, the microcapsule diameter of making is 70-150 μ m.
6. as the preparation method of water dispersion capsorubin mcrocapsule as described in the claim 5, it is characterized in that described lipophilicity solvent is selected from vegetables oil, whiteruss or ethyl acetate.
7. as the preparation method of water dispersion capsorubin mcrocapsule as described in the claim 5, it is characterized in that described stablizer is selected from tween, sucrose fatty ester, soybean phosphoric acid ester, monoesters or propylene glycol fatty acid ester.
8. as the preparation method of water dispersion capsorubin mcrocapsule as described in the claim 5, it is characterized in that described stablizer dosage is a 0.4-20% weight.
9. as the preparation method of water dispersion capsorubin mcrocapsule as described in the claim 5, it is characterized in that can also adding antioxidant in the step (2), antioxidant is selected from a kind of or combination in vitamins C, sodium isoascorbate or the vitamin-E.
10. as the preparation method of water dispersion capsorubin mcrocapsule as described in the claim 9, the dosage that it is characterized in that antioxidant is a 1-5% weight.
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