Preparation process and application of dendrobe small-molecular polysaccharide extract liquid

A polysaccharide extraction and preparation technology technology is applied in the field of dendrobium extraction to achieve the effects of good skin feeling, improving moisturizing effect and preventing skin aging

Inactive Publication Date: 2019-03-29
BEIJING PLANT DOCTOR BIOTECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Most of the existing moisturizing products are polysaccharides. Most of the polysaccharides have a large molecular weight and good film-forming prop

Method used

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  • Preparation process and application of dendrobe small-molecular polysaccharide extract liquid
  • Preparation process and application of dendrobe small-molecular polysaccharide extract liquid
  • Preparation process and application of dendrobe small-molecular polysaccharide extract liquid

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0052] Example 1

[0053] A preparation process of a small molecule polysaccharide extract of dendrobium includes the following steps:

[0054] 1) Grind the dried stems of Dendrobium candidum into finely crushed powder with a grinder, pass through a 60-mesh sieve, screen the finely divided Chinese medicine and mix evenly;

[0055] 2) Add Dendrobium officinale powder to deionized water according to the material-to-liquid ratio of 1:150, soak for 0.5 hours, then ultrasonically extract at 30°C for 0.5 hours, then place it in an electric heating mantle and heat to 75°C while adding 1% by weight of Dendrobium officinale powder Open the cold circulating water for hot reflux extraction for 2 hours, cool to 40°C, then add 1% cellulase by weight of Dendrobium officinale powder, react and extract with hot reflux for 0.5 hours;

[0056] 3) Cool the obtained refluxed extraction liquid to room temperature and let it stand for 20 minutes. Take the supernatant and filter it by centrifugation at a sp...

Example Embodiment

[0059] Example 2

[0060] A preparation process of a small molecule polysaccharide extract of dendrobium includes the following steps:

[0061] 1) Grind the dried stems of Dendrobium candidum into finely crushed powder with a grinder, pass through a 60-mesh sieve, screen the finely divided Chinese medicine and mix evenly;

[0062] 2) Add Dendrobium officinale powder to deionized water at a material-to-liquid ratio of 1:165, soak for 0.8 hours, and then ultrasonically extract at 35°C for 1 hour, then place it in an electric heating mantle and heat it to 80°C while adding 2% by weight of Dendrobium officinale For chitosan, open the cold circulating water for hot reflux extraction for 2.5 hours, cool to 45°C, add 3.5% cellulase by weight of Dendrobium officinale powder, and react with hot reflux extraction for 1 hour;

[0063] 3) Cool the obtained reflux extraction liquid to room temperature and let it stand for 20 minutes. Take the supernatant for centrifugal filtration at a speed of 18...

Example Embodiment

[0064] Example 3

[0065] A preparation process of Dendrobium small molecule polysaccharide extract, including the following steps:

[0066] 1) Grind the dried stems of Dendrobium candidum into finely crushed powder with a grinder, pass through a 60-mesh sieve, screen the finely divided Chinese medicine and mix evenly;

[0067] 2) Add Dendrobium officinale powder to deionized water at a material-to-liquid ratio of 1:180, soak for 1 hour, then ultrasonically extract at 40°C for 1.5 hours, then place it in an electric heating mantle and heat to 85°C while adding 3% by weight of Dendrobium officinale For chitosan, open cold circulating water for hot reflux extraction for 3 hours, cool to 50°C, add 5% cellulase by weight of Dendrobium officinale stems, and react with hot reflux extraction for 1.5 hours;

[0068] 3) Cool the obtained reflux extraction liquid to room temperature and let it stand for 20 minutes. Take the supernatant for centrifugal filtration at a speed of 2000 revolutions p...

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Abstract

The invention discloses a preparation process of a dendrobe small-molecular polysaccharide extract liquid. The process includes: a) crushing dendrobium officinale and screening the dendrobium officinale through a sieve in 60 meshes, and adding deionized water according to material-to-liquid ratio of 1:150-1:180 by weight to soak the dendrobium officinale for 0.5-1 h; b) performing ultrasonic extraction for 0.5-1.5 h, temperature controlled at 30-40 DEG C; c) performing reflux extraction at 75-85 DEG C for 2-3 h and meanwhile adding chitosan accounting for 1-3 wt% of the dendrobium officinale,and continuously stirring and naturally cooling the extract to 40-50 DEG C; d) adding cellulase accounting for 1-5 wt% of the dendrobium officinale, performing heat reflux extraction for 0.5-1.5 h, heating the mixture to 75-85 DEG C and maintaining the temperature for 3-7 min; e) cooling and filtering the mixture to prepare the extract liquid. The dendrobe extract liquid contains a large quantityof dendrobe small-molecular polysaccharides and can deeply enter the basal layer of skin, so that the deep moisturizing effect of the dendrobe polysaccharide on skin is greatly enhanced. The dendrobeextract liquid is natural and safe and effectively achieves multiple moisturizing effects on skin.

Description

technical field [0001] The invention relates to a preparation process and application of dendrobium small-molecule polysaccharide extract, belonging to the technical field of dendrobium extraction. Background technique [0002] Lack of moisture in the skin can lead to various skin problems, such as dryness, yellowing, dullness, sagging, wrinkles, aging, etc. When the skin is hydrated, it will appear plump, smooth, moist and shiny, and the skin will be firm Full of elasticity. [0003] There are multiple ways to hydrate the skin. Most hydrating methods directly supply the water needed by the stratum corneum cells of the skin and moisturize the skin. If you want long-term hydration and moisturizing, you need more nutrients to penetrate the stratum corneum and reach the bottom layer of the skin to achieve deep hydrating and moisturizing effects. [0004] Dendrobium is rich in Dendrobium polysaccharides, the molecular weight of which varies greatly. The general extraction meth...

Claims

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Application Information

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IPC IPC(8): C08B37/00A61K8/73A61K8/9794A61Q19/00A61Q19/10
CPCA61K8/73A61K8/9794A61K2800/10A61Q19/00A61Q19/10C08B37/0003
Inventor 解勇王雅琴许艳勇李一泽
Owner BEIJING PLANT DOCTOR BIOTECHNOLOGY CO LTD
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