Plant glycogen nano film coating preservative and film coating preservation method of poultry eggs

A film-coating preservative and plant glycogen technology, applied in the field of preservatives, can solve the problems of low strength, low air permeability and high water permeability, and achieve the effects of low cost, reducing water permeability and enhancing light transmittance

Active Publication Date: 2015-09-30
湖北聚瑞生物科技有限公司
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  • Application Information

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Problems solved by technology

Because chitosan has good film-forming properties, antibacterial properties and edible properties, it is widely used in coating p

Method used

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Embodiment Construction

[0033] The following examples further illustrate the technical solutions of the present invention, but are not intended to limit the protection scope of the present invention.

[0034] The preparation process of plant glycogen nano coating preservative of the present invention is as follows:

[0035] Take softened crab shells and mix them with ethanol, heat and reflux at 80-90°C for 0.5-1.5h, cool and suction filter, and dry the filter residue to obtain chitin; mix chitin with saturated NaOH ethanol solution, heat and reflux at 80-90°C for 3- 5h, cooling, suction filtration, washing with water, and drying to obtain chitosan.

[0036] The phytoglycogen uses sugary 1 sweet grain as a raw material, and is sequentially crushed, extracted in a physical field, enzymatically hydrolyzed, membrane filtered, ethanol precipitated, and dried to obtain phytoglycogen.

[0037] Mix and disperse plant glycogen, calcium hydroxide, and acetic acid aqueous solution with a volume ratio of 2%; ad...

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Abstract

The invention discloses a plant glycogen nano film coating preservative and a film coating preservation method of poultry eggs. The plant glycogen nano film coating preservative is prepared according to the following manner: uniformly mixing and dispersing plant glycogen, calcium hydroxide and an acetic acid water solution with the volume ratio of 2%; adding chitosan and heating and stirring for 4-6 minutes; adjusting the pH value to be 5-6; adding methylcellulose and carrying out ultrasonic degassing; and cooling to obtain the product. The film coating preservative of the poultry eggs has good water solubility and the chitosan in the preservative component is extracted from waste crab shells; and the plant glycogen is extracted from sweet corns and has edibility. The water-soluble nano plant glycogen particles are added into a chitosan preservation solution so that the antibacterial molecule connection strength in a coated film is enhanced, the permeable rate of the coated film is reduced, the light transmittance of the coated film is enhanced and the dissolving rate of the thin film is enhanced; and the nano coated film has an antibacterial function all the time and has antibacterial and preservation effects for long time, so that the product can be used for storing the poultry eggs for the long period and keeping the quality.

Description

technical field [0001] The invention belongs to the technical field of preservatives, and in particular relates to a plant glycogen nano-coated preservative and a fresh-keeping method for poultry eggs. Background technique [0002] In 1939, Morris first reported the synthesis of a highly branched glucan in the su1 type sweet corn endosperm. Subsequently, scientists found that mutant plants such as barley, sorghum, rice, and Arabidopsis contain a large amount of phytoglycogen. Research on phytoglycogen at home and abroad has found that it can be highly dispersed in aqueous solution and can be dissolved in water at room temperature, and the viscosity of phytoglycogen aqueous solution is very small. The surface of plant glycogen has many functional groups that can be modified. It can be esterified with octenyl succinic anhydride. The esterified sample has good emulsification and emulsification stability. At the same time, it is found that it has high antibacterial activity an...

Claims

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Application Information

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IPC IPC(8): A23B5/06A23B5/14A23B5/18
Inventor 王劲松朱德艳李蓉陈清禅简清梅王学民
Owner 湖北聚瑞生物科技有限公司
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