Grateloupia filicina polysaccharide preservative for red bayberries

The technology of centipede algae polysaccharide and preservative, which is applied in the field of preservative processing, can solve the problems of retention, focus on bacteriostasis of bayberry, and fail to realize the nutritional components of bayberry well, and achieves improved extraction rate, excellent antibacterial effect, The effect of shortening the extraction time

Inactive Publication Date: 2018-01-19
兰溪市哥特生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Prior art such as, authorized announcement number is the invention patent of CN103918780B, and this invention discloses a kind of red bayberry antistaling agent, and this antistaling agent pays too much attention to the bacteriostasis of red bayberry, fails to realize the retention of the nutritional labeling of red bayberry well

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A centipede polysaccharide preservative for red bayberry, its composition and parts by weight are: 20 parts of centipede polysaccharide, 3.4 parts of chitosan, 0.18 part of nisin, 0.9 part of film-forming aid, wherein film-forming aid The agent is Chinese gallnut, rhubarb, talcum and glycerin, and its weight ratio is 1:0.75:0.45:0.55 successively. The fresh-keeping method of the centipede polysaccharide preservative for red bayberry is as follows: fresh red bayberry is soaked in the fresh-keeping agent of 30 ℃ for 0.9 Take it out after 1 min, dry it and store it under the condition that the temperature is 2°C and the relative humidity is 79%. The preparation method of centipede algae polysaccharide is as follows: take according to the solid-liquid ratio of centipede algae powder and water as 1:35 Centipede algae powder is made into algae liquid, and active polypeptide and compound protease are added. The amount of compound protease added is 2.4% of the weight of centiped...

Embodiment 2

[0023] A centipede polysaccharide preservative for red bayberry, characterized in that the components and parts by weight are: 24 parts of centipede polysaccharide, 4.5 parts of chitosan, 0.28 parts of nisin, 1 part of film-forming aid, and Auxiliary agent is Chinese gallnut, rhubarb, talcum and glycerin, and its weight ratio is successively 1:0.83:0.46:0.56, and wherein, the preparation method of centipede algae polysaccharide is:

[0024] 1) According to the solid-to-liquid ratio of centipede algae powder and water as 1:42, take centipede algae powder to make algae liquid, add active polypeptide and compound protease to enzymatically hydrolyze, the amount of active polypeptide added is 0.04% of the weight of centipede algae powder, active polypeptide The amino acid sequence is: HSHACASYYCSKACCAGTASYLSCLCRVLHPGKLCACVNCSR, the amount of compound protease added is 2.3% of the weight of centipede algae powder, the enzymolysis temperature is 59°C, and the enzymolysis time is 2.8h....

Embodiment 3

[0030] A centipede polysaccharide preservative for red bayberry is characterized in that the components and parts by weight are: 23 parts of centipede polysaccharide, 4 parts of chitosan, 0.24 parts of nisin and 1.1 part of film-forming aid. The film-forming aids are gallnut, rhubarb, talcum and glycerin, and its weight ratio is successively 1:0.8:0.46:0.6, wherein, the preparation method of centipede algae polysaccharide is:

[0031] 1) According to the solid-liquid ratio of centipede algae powder and water as 1:39, take centipede algae powder to make algae liquid, add active polypeptide and compound protease to enzymatically hydrolyze, the amount of active polypeptide added is 0.043% of the weight of centipede algae powder, active polypeptide The amino acid sequence is: HSHACASYYCSKACCAGTASYLSCLCRVLHPGKLCACVNCSR, the amount of compound protease added is 2.7% of the weight of centipede algae powder, the enzymolysis temperature is 58°C, and the enzymolysis time is 3.3h.

[003...

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PUM

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Abstract

The invention provides a grateloupia filicina polysaccharide preservative for red bayberries. The preservative includes the following components in parts by weight: grateloupia filicina polysaccharides 18-25, chitosan 3-5, nisin 0.13-0.34 and a film coalescing aid 0.8-1.2. The preservative provided by the invention can effectively inhibit red bayberry respiration, greatly slow the loss rate of nutritional components like organic acids and VC and inhibit the activity of polyphenol oxidase, peroxidase and phenylalaninase in the red bayberries so as to remarkably delay fruit aging. The grateloupia filicina polysaccharides in the preservative have good effects of resisting oxidation and inhibiting bacteria; and with the addition of active polysaccharides during extraction, the extraction rateis effectively improved and the extraction time is effectively shortened. The preservative provided by the invention is green and environmentally friendly and is suitable for promotion and application

Description

technical field [0001] The invention belongs to the technical field of preservative processing, and in particular relates to a centipede polysaccharide preservative for red bayberry. Background technique [0002] Centipede algae is an important economic seaweed, which is rich in protein, carbohydrates, vitamins, minerals and other nutrients, among which polysaccharides are the main ones. Studies have found that centipede polysaccharides have various biological activities, such as anti-angiogenesis, anti-virus, anti-tumor, anti-coagulation, anti-thrombosis, anti-fatigue and anti-oxidation, etc. Centipede algae is also involved in medicinal aspects, as mentioned in "Chinese Medicinal Spore Plants": "Cure enteritis, wind-heat laryngitis, ascariasis". It can be seen that centipede polysaccharides are not only consumed as food, but also play an important role in agriculture, medicine and industry, and have broad development prospects. [0003] In order to adapt to people's idea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/155C08B37/00
Inventor 李健
Owner 兰溪市哥特生物技术有限公司
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