Preparation method of high-gel-strength fish scale gelatin

A technology of fish scale gelatin and high gel, applied in the field of preparation of fish scale gelatin, to achieve sustainable green development, reduce imports, and reduce application costs

Active Publication Date: 2013-03-13
NANCHANG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In the present invention, the method for preparing high gel strength fish scale gelatin by ammonium sulfate has not yet seen relevant literature reports both at home and abroad

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  • Preparation method of high-gel-strength fish scale gelatin

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Embodiment 1

[0014] 1. Preparation of initial fish scale gelatin: (1) Tissue pounding: After removing non-scale substances, use a tissue pounder to process fish scales for 6 minutes, and then wash until the water is clear; (2) Fish scale decalcification: Use hydrochloric acid to treat fish scales Carry out decalcification, the process is 0.5mol / L hydrochloric acid concentration, solid-liquid ratio 1:20, decalcification time 1h, after decalcification, the fish scales are cleaned to be close to neutral; (3) fish scale gelatin preparation: fish scales are prepared by hot water method Gelatin, the process is a material-to-liquid ratio of 1:20, a water bath temperature of 80°C, and a time of 3 hours; (4) Spray drying: the inlet air temperature is 180°C, and the outlet air temperature is 90°C to obtain the primary product of fish scale gelatin.

[0015] 2. Preparation of fish scale gelatin products with high gel strength: (1) Preparation of glue solution: Prepare fish scale gelatin into a 4% solu...

Embodiment 2

[0019] 1. Preparation of initial fish scale gelatin: (1) Tissue pounding: After removing non-scale substances, use a tissue pounder to process fish scales for 6 minutes, and then wash until the water is clear; (2) Fish scale decalcification: Use hydrochloric acid to treat fish scales Carry out decalcification, the process is 0.5mol / L hydrochloric acid concentration, solid-liquid ratio 1:20, decalcification time 1h, after decalcification, the fish scales are cleaned to be close to neutral; (3) fish scale gelatin preparation: fish scales are prepared by hot water method Gelatin, the process is a material-to-liquid ratio of 1:20, a water bath temperature of 80°C, and a time of 3 hours; (4) Spray drying: the inlet air temperature is 180°C, and the outlet air temperature is 90°C to obtain the primary product of fish scale gelatin.

[0020] 2. Preparation of fish scale gelatin products with high gel strength: (1) Preparation of glue solution: Prepare fish scale gelatin into a 4% solu...

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Abstract

The invention relates to a preparation method of a high-gel-strength fish scale gelatin, which comprises the following step: performing ammonium sulfate salting-out on a fish scale gelatin, which is prepared from fish scale waste and used as an object, to prepare a high-gel-strength fish scale gelatin product. The preparation method provided by the invention has the following positive effects: 1, the fish scale waste is used as an initial raw material for gelatin preparation, thus realizing the high-value utilization of the resource, protecting the environment, realizing the sustainable green development, effectively reducing the gelatin production cost and reducing the gelatin import volume of China; 2, the fish scale gelatin is subjected to ammonium sulfate salting-out for the first time, thus preparing the high-gel-strength fish scale gelatin, reducing the consumption in the application process and further reducing the gelatin application cost; and 3, the method for preparing a high-gel-strength fish scale gelatin through ammonium sulfate salting-out can provide a practical and feasible basis for the preparation of a high-quality gelatin, thereby laying a foundation for the further study on the gelatin and making a little contribution for the quick development of the gelatin industry in China.

Description

technical field [0001] The invention relates to a method for preparing fish scale gelatin, in particular to a method for preparing fish scale gelatin with high gel strength. Background technique [0002] Gelatin is a multifunctional water-soluble colloid, which can be widely used in food, medicine, cosmetics, photography and other fields. In recent years, with the rapid development of my country's industry, the demand for gelatin has increased sharply. Due to the shortage of food gelatin raw materials and high production costs, many gelatin companies in my country have sold industrial gelatin to pharmaceutical manufacturers to produce medicinal capsules, which has triggered The well-known "poisonous capsule" incident has seriously endangered people's health. [0003] Based on the above-mentioned present situation, the present invention takes fish scale gelatin as object, and adopts ammonium sulfate salting-out method to prepare fish scale gelatin with high gel strength, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09H3/00C09H3/02
Inventor 涂宗财沙小梅王辉许丽敏
Owner NANCHANG UNIV
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