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Bacterial cellulose facial mask with gradient structure and preparation method of facial mask

A technology of bacterial cellulose and gradient structure, applied in the direction of microorganism-based methods, biochemical equipment and methods, skin care preparations, etc., can solve the problems of single membrane structure, membrane inhomogeneity, etc., and achieve a wide range of sources and easy portability , product green effect

Inactive Publication Date: 2013-07-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN102525837A discloses the preparation of a bacterial cellulose film containing astaxanthin. The final formed mask is mechanically cut, which easily leads to the inhomogeneity of the film
[0007] The currently disclosed bacterial cellulose facial mask with skin-beautifying effects is mainly obtained by the bacterial cellulose gel mask obtained by placing Acetobacter xylinum in coconut water and adding nutrients. This type of membrane has a single structure

Method used

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  • Bacterial cellulose facial mask with gradient structure and preparation method of facial mask
  • Bacterial cellulose facial mask with gradient structure and preparation method of facial mask
  • Bacterial cellulose facial mask with gradient structure and preparation method of facial mask

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] 1) the deployment of fermentation broth;

[0050] The components of the culture solution, in mass percent, in wt%: glucose, fructose, sucrose or mannitol 2, peptone 0.05, yeast extract 0.05, citric acid 0.01, disodium hydrogen phosphate 0.02, potassium dihydrogen phosphate 0.01, methyl Cellulose 0.1, wheat starch 0.1;

[0051] The pH of the culture medium is 4.0;

[0052] Heat the culture solution to 50°C to dissolve methyl cellulose and evenly disperse it in the culture solution, at the same time make the wheat starch gelatinize and evenly disperse it in the fermentation culture solution, sterilize by high pressure steam, irradiate with ultraviolet rays and cool to room temperature , through pure oxygen, the fermentation broth is obtained;

[0053] 2) Strain expansion;

[0054] Inoculate and expand the fermentation broth; expansion degree: the number of Acetobacter xylinum cells is 2 × 10 5 pcs / ml.

[0055] 3) static culture;

[0056] Transfer the expanded bacter...

Embodiment 2

[0060] 1) the deployment of fermentation broth;

[0061] The components of the culture solution, in mass percentage, in wt%: glucose, fructose, sucrose or mannitol 3, peptone 0.2, yeast extract 0.2, citric acid 0.05, disodium hydrogen phosphate 0.1, potassium dihydrogen phosphate 0.05, methyl Cellulose 0.5, wheat starch 0.5;

[0062] The pH of the culture medium is 5.0;

[0063] The culture solution was heated to 70°C to dissolve methylcellulose and evenly disperse it in the culture solution, at the same time, the wheat starch was gelatinized and evenly dispersed in the fermentation culture solution, sterilized by high pressure steam, irradiated with ultraviolet rays and cooled to room temperature , through pure oxygen, the fermentation broth is obtained;

[0064] 2) Strain expansion;

[0065] Inoculate and expand the fermentation broth; expansion degree: the number of Acetobacter xylinum cells is 2 × 10 6 pcs / ml.

[0066] 3) static culture;

[0067] Transfer the expande...

Embodiment 3

[0071] 1) the deployment of fermentation broth;

[0072] The components of the culture medium, in mass percent, in wt%: glucose, fructose, sucrose or mannitol 5, peptone 0.5, yeast extract 0.5, citric acid 0.1, disodium hydrogen phosphate 0.2, potassium dihydrogen phosphate 0.1, methyl cellulose 1, wheat starch 1;

[0073] The pH of the culture medium is 6.0;

[0074] The culture solution is heated to 80°C to dissolve and uniformly disperse the thickening agent in the culture solution, meanwhile, the wheat starch is gelatinized and evenly dispersed in the fermentation culture solution, sterilized by high pressure steam, irradiated with ultraviolet rays and cooled to room temperature, Pass through pure oxygen to obtain fermentation broth;

[0075] 2) Strain expansion;

[0076] Inoculate and expand the fermentation broth; expansion degree: the number of Acetobacter xylinum cells is 2 × 10 7 pcs / ml.

[0077] 3) static culture;

[0078] Transfer the expanded bacterial liquid...

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Abstract

The invention relates to a bacterial cellulose facial mask with a gradient structure and a preparation method of the facial mask. The preparation method comprises the following steps of: adding a thickening agent and crop starch in fermentation culture liquid, heating to dissolve and paste the thickening agent and the crop starch, uniformly dispersing the thickening agent and the crop starch in the culture liquid, carrying out static culture on the thickening agent and the crop starch, so as to prepare the bacterial cellulose facial mask similar to the skin of a human body and having the loose structure in which the compactness of the upper surface gradually transits to the lower surface. The bacterial cellulose facial mask has good water binding capacity and dragging resistance and an extremely high veneering degree, is biodegradable, ecologic and environment-friendly, is low in preparation cost and is simple and convenient to use and carry.

Description

technical field [0001] The invention relates to a bacterial cellulose mask with a gradient structure and a preparation method thereof, in particular to a bacterial cellulose mask with a loose lower surface with a dense upper surface and a continuous downward transition and a preparation method thereof. Background technique [0002] With the progress of the times and the development of the economy, more and more people have begun to pay attention to the maintenance of personal skin quality. Among them, facial masks have been recognized by more and more people as a cosmetic that cleans, cares and nourishes facial skin. [0003] The principle of the mask is to first form an airtight film on the facial skin, isolate the skin from the outside world, increase the temperature of the skin, sweat a lot in the pores, and the secretion of the skin is vigorous. Dander, dirt, etc. are squeezed out to clean the pores; at the same time, other ingredients in the mask, such as vitamins, hydr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/02A61K8/73A61Q19/00C12P19/04C12R1/02
Inventor 杨敬轩吴旭君李喆孙晓晓王华平陈仕艳
Owner DONGHUA UNIV
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