CN105543315A - Collagen foaming agent, compound modified collagen foaming agent and their preparation methods - Google Patents
Collagen foaming agent, compound modified collagen foaming agent and their preparation methods Download PDFInfo
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- CN105543315A CN105543315A CN201510943666.5A CN201510943666A CN105543315A CN 105543315 A CN105543315 A CN 105543315A CN 201510943666 A CN201510943666 A CN 201510943666A CN 105543315 A CN105543315 A CN 105543315A
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- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
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Abstract
The invention relates to a collagen foaming agent, a compound modified collagen foaming agent and their preparation methods. The preparation method of the collagen foaming agent comprises preparing a gelatin aqueous solution, carrying out heating dissolution, adjusting pH and carrying out alkali protease hydrolysis to obtain a hydrolyzed gelatin solution, adjusting pH of the hydrolyzed gelatin solution, adding long-chain fatty acid chloride into the solution and carrying out a stirring reaction process to obtain the collagen foaming agent. The preparation method of the compound modified collagen foaming agent comprises adding sodium dodecyl benzene sulfonate or Arabic gum into the collagen foaming agent so that the collagen foaming agent is subjected to physical compound modification and forms the compound modified collagen foaming agent. The novel collagen foaming agent is prepared through the reaction of the long-chain fatty acid chloride and collagen. Through physical compound modification of the novel collagen foaming agent, leather waste resource utilization is realized. The invention provides the collagen foaming agents with excellent performances.
Description
Technical field
The invention belongs to technical field of fine, be specifically related to a kind of collagen protein class whipping agent, its composite modified whipping agent and the preparation method of the two.
Background technology
The performance that protein whipping agent has it excellent, there is particularly preferred froth stability, head retention reaches more than 24h, and it selects the leather collagen protein discarded in skin to be raw material, have readily biodegradable, to human temperature and, the characteristic of environmentally safe, therefore the synthesis and property research of collagen protein class whipping agent receives in recent years and pays close attention to widely.
China is tanning industry big country, but traditional tanning industry wet salted hide only can produce the resultant Leather accounting for raw material skin 20%, can produce the solid waste of raw material skin more than 60%.Containing a large amount of collagen protein in discarded skin, can be used as a kind of biomass resource, therefore, economically consider, be badly in need of leather castoff recycling, synthesize the collagen protein class whipping agent of a kind of environmental protection, readily biodegradable.
Summary of the invention
The object of this invention is to provide a kind of collagen protein class whipping agent, its composite modified whipping agent and the preparation method of the two, realize the recycling to leather castoff, and the collagen protein class whipping agent of excellent property is provided.
The technical solution adopted in the present invention is:
The preparation method of collagen protein class whipping agent, is characterized in that:
Realized by following steps:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10% ~ 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8 ~ 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5% ~ 3%, after reaction 1h ~ 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9 ~ 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5 ~ 3.0g is added, stirring reaction 1 ~ 6h at 30 ~ 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is selected from stearoyl chlorine, hexadecanoyl chloride, myristyl chloride, lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
As described in the collagen protein class whipping agent that obtains of the preparation method of collagen protein class whipping agent.
The preparation method of the composite modified whipping agent of collagen protein class, is characterized in that:
Realized by following steps:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10% ~ 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8 ~ 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5% ~ 3%, after reaction 1h ~ 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9 ~ 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5 ~ 3.0g is added, stirring reaction 1 ~ 6h at 30 ~ 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
In obtained collagen protein class whipping agent, add the Sudan Gum-arabic in the Sodium dodecylbenzene sulfonate of collagen protein class whipping agent quality 0.05% ~ 0.30% or 0.2 ~ 0.6g, physical compounding modification is carried out to it, obtains compound foaming agent.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is selected from stearoyl chlorine, hexadecanoyl chloride, myristyl chloride, lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
As described in the composite modified whipping agent of collagen protein class that obtains of the preparation method of the composite modified whipping agent of collagen protein class.
The present invention has the following advantages:
The present invention, by leather castoff recycling, then synthesizes a series of collagen protein class whipping agent according to the difference of long-chain fat acyl chlorides, and the whipping agent of synthesis has good foaming foam stability and environment friendly.Therefore, these series product have a good application prospect.
Accompanying drawing explanation
Fig. 1 is synthetic route of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
The present invention reacts obtained a kind of novel collagen protein class whipping agent by long-chain fat acyl chlorides and collagen protein, again by carrying out physical compounding modification to it, obtain a kind of compound foaming agent of excellent property, achieve the recycling to leather castoff simultaneously.Synthetic route is with reference to shown in figure 1.
The preparation method of above-mentioned collagen protein class whipping agent, is realized by following steps:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10% ~ 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8 ~ 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5% ~ 3%, after reaction 1h ~ 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9 ~ 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5 ~ 3.0g is added, stirring reaction 1 ~ 6h at 30 ~ 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is selected from stearoyl chlorine, hexadecanoyl chloride, myristyl chloride, lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
Above-mentioned collagen eggs whipping agent, by physical compounding modification, can obtain the composite modified whipping agent of collagen protein class, specifically be realized by following steps:
In obtained collagen protein class whipping agent, add the Sudan Gum-arabic in the Sodium dodecylbenzene sulfonate of collagen protein class whipping agent quality 0.05% ~ 0.30% or 0.2 ~ 0.6g, physical compounding modification is carried out to it, obtains compound foaming agent.
Embodiment 1:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5%, after reaction 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 3.0g is added, stirring reaction 6h at 30 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
Add in the Sodium dodecylbenzene sulfonate of collagen protein class whipping agent quality 0.05% in obtained collagen protein class whipping agent, physical compounding modification is carried out to it, obtains compound foaming agent.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is stearoyl chlorine;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
Embodiment 2:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 20%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8, with the hydrolysis by novo gelatin of gelatin dry weight 1.5%, after reaction 2.5h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 1.5g is added, stirring reaction 3h at 55 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
Add in the Sodium dodecylbenzene sulfonate of collagen protein class whipping agent quality 0.30% in obtained collagen protein class whipping agent, physical compounding modification is carried out to it, obtains compound foaming agent.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is selected from hexadecanoyl chloride, myristyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
Embodiment 3:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 20%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8, with the hydrolysis by novo gelatin of gelatin dry weight 1.5%, after reaction 2.5h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 1.5g is added, stirring reaction 3h at 55 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
In obtained collagen protein class whipping agent, add the Sudan Gum-arabic of 0.2g, physical compounding modification is carried out to it, obtains compound foaming agent.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is selected from hexadecanoyl chloride, myristyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
Embodiment 4:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8, with the hydrolysis by novo gelatin of gelatin dry weight 3%, after reaction 1h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5g is added, stirring reaction 1h at 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
In obtained collagen protein class whipping agent, add the Sudan Gum-arabic of 0.6g, physical compounding modification is carried out to it, obtains compound foaming agent.
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
In step 3, long-chain fat acyl chlorides is lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
Be below the performance test results explanation of above-mentioned whipping agent:
1, collagen protein class whipping agent:
Foaminess and foam stability (for lauroyl chloride):
Configuration quality concentration is the surfactant soln of 2.5g/L, gets 12.5ml surfactant soln, uses Roche Latherometer to detect its foam height and half foam life period to characterize the foaming foam stability of this whipping agent.Experimental data following (carrying out 3 parallel tests):
2, composite modified whipping agent:
Foaminess and foam stability (for lauroyl chloride):
Configuration quality concentration is the surfactant soln of 2.5g/L, get 12.5ml surfactant soln, add Sodium dodecylbenzene sulfonate, Sudan Gum-arabic again, use Roche Latherometer to detect its foam height and half foam life period to characterize the foaming foam stability of this whipping agent.Experimental data following (three experiments are averaged):
Content of the present invention is not limited to cited by embodiment, and the conversion of those of ordinary skill in the art by reading specification sheets of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (8)
1. the preparation method of collagen protein class whipping agent, is characterized in that:
Realized by following steps:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10% ~ 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8 ~ 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5% ~ 3%, after reaction 1h ~ 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9 ~ 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5 ~ 3.0g is added, stirring reaction 1 ~ 6h at 30 ~ 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution.
2., according to the preparation method of the collagen protein class whipping agent described in claim 1, it is characterized in that:
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
3., according to the preparation method of the collagen protein class whipping agent described in claim 1, it is characterized in that:
In step 3, long-chain fat acyl chlorides is selected from stearoyl chlorine, hexadecanoyl chloride, myristyl chloride, lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
4. the as described in claim 1 collagen protein class whipping agent that obtains of the preparation method of collagen protein class whipping agent.
5. the preparation method of the composite modified whipping agent of collagen protein class, is characterized in that:
Realized by following steps:
Step one: the preparation of gelatin hydrolysate:
The gelatin of dry weight 20g is made into the aqueous solution that massfraction is 10% ~ 30%, is warming up to 50 DEG C, after gelatin dissolves completely, adjust pH to 8 ~ 9, with the hydrolysis by novo gelatin of gelatin dry weight 0.5% ~ 3%, after reaction 1h ~ 4h, be warmed up to 90 DEG C, make enzyme deactivation, filter and obtain gelatin hydrolysate solution;
Step 2: the adjustment of gelatin solution pH:
Gelatin hydrolysate solution is regulated to make its pH reach 9 ~ 10;
Step 3: the preparation of collagen protein class whipping agent:
The long-chain fat acyl chlorides of 0.5 ~ 3.0g is added, stirring reaction 1 ~ 6h at 30 ~ 80 DEG C, obtained collagen eggs whipping agent in gelatin hydrolysate solution;
Step 4: the preparation of the composite modified whipping agent of collagen protein class:
In obtained collagen protein class whipping agent, add the Sudan Gum-arabic in the Sodium dodecylbenzene sulfonate of collagen protein class whipping agent quality 0.05% ~ 0.30% or 0.2 ~ 0.6g, physical compounding modification is carried out to it, obtains compound foaming agent.
6. the preparation method of the composite modified whipping agent of collagen protein class according to claim 5, is characterized in that:
In step one and step 2, pH regulator all adopt massfraction be 20% NaOH solution.
7. the preparation method of the composite modified whipping agent of collagen protein class according to claim 5, is characterized in that:
In step 3, long-chain fat acyl chlorides is selected from stearoyl chlorine, hexadecanoyl chloride, myristyl chloride, lauroyl chloride;
Long-chain fat acyl chlorides adopts the mode of injector to inject to add in gelatin hydrolysate solution.
8. the as described in claim 5 composite modified whipping agent of collagen protein class that obtains of the preparation method of the composite modified whipping agent of collagen protein class.
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Cited By (8)
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| CN105944620A (en) * | 2016-05-11 | 2016-09-21 | 陕西科技大学 | Carboxylated collagen foam stabilizers as well as preparation method and compound modifying method thereof |
| CN107916057A (en) * | 2017-11-21 | 2018-04-17 | 安徽北马科技有限公司 | A kind of preparation method of the composite foamed slurry of use for synthetic leather collagen aqueous polyurethane |
| CN108129059A (en) * | 2017-12-12 | 2018-06-08 | 常州禾吉纺织品有限公司 | A kind of protein-based cement blowing agent and preparation method thereof |
| CN109789091A (en) * | 2016-09-14 | 2019-05-21 | 奥姆里克斯生物药品有限公司 | Stable pharmaceutical foam |
| CN110183155A (en) * | 2019-05-21 | 2019-08-30 | 烟台大学 | The foam concrete preparation method utilized based on process hides chrome leather scrap and gangue |
| CN111840155A (en) * | 2020-07-10 | 2020-10-30 | 深圳市兰亭科技股份有限公司 | Foaming composition, preparation method and application thereof |
| US11123397B2 (en) | 2016-09-14 | 2021-09-21 | Omrix Biopharmaceuticals Ltd. | Stable pharmaceutical foam |
| CN117898968A (en) * | 2024-03-19 | 2024-04-19 | 江苏亨瑞生物医药科技有限公司 | Collagen shampoo with sun-screening, anti-dandruff and repairing functions and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944620A (en) * | 2016-05-11 | 2016-09-21 | 陕西科技大学 | Carboxylated collagen foam stabilizers as well as preparation method and compound modifying method thereof |
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| CN109789091A (en) * | 2016-09-14 | 2019-05-21 | 奥姆里克斯生物药品有限公司 | Stable pharmaceutical foam |
| US11123397B2 (en) | 2016-09-14 | 2021-09-21 | Omrix Biopharmaceuticals Ltd. | Stable pharmaceutical foam |
| US11938165B2 (en) | 2016-09-14 | 2024-03-26 | Omrix Biopharmaceuticals Ltd. | Stable pharmaceutical foam |
| CN107916057A (en) * | 2017-11-21 | 2018-04-17 | 安徽北马科技有限公司 | A kind of preparation method of the composite foamed slurry of use for synthetic leather collagen aqueous polyurethane |
| CN108129059A (en) * | 2017-12-12 | 2018-06-08 | 常州禾吉纺织品有限公司 | A kind of protein-based cement blowing agent and preparation method thereof |
| CN110183155A (en) * | 2019-05-21 | 2019-08-30 | 烟台大学 | The foam concrete preparation method utilized based on process hides chrome leather scrap and gangue |
| CN110183155B (en) * | 2019-05-21 | 2021-04-30 | 烟台大学 | Foam concrete preparation method based on utilization of tanning chrome-containing leather scraps and coal gangue |
| CN111840155A (en) * | 2020-07-10 | 2020-10-30 | 深圳市兰亭科技股份有限公司 | Foaming composition, preparation method and application thereof |
| CN117898968A (en) * | 2024-03-19 | 2024-04-19 | 江苏亨瑞生物医药科技有限公司 | Collagen shampoo with sun-screening, anti-dandruff and repairing functions and preparation method thereof |
| CN117898968B (en) * | 2024-03-19 | 2024-06-07 | 江苏亨瑞生物医药科技有限公司 | Collagen shampoo with sun-screening, anti-dandruff and repairing functions and preparation method thereof |
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Application publication date: 20160504 |