Preparation process of scale jelly

A preparation process, fish scale jelly technology, which is applied in the field of fish scale jelly preparation, can solve the problems of complex preparation steps, destruction of nutritional components, inconvenient operation, etc., and achieve the effects of simple process, convenient extraction and low cost

Inactive Publication Date: 2014-10-29
HUZHOU NANXUN SUNYA AGRI DEV +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing fish scale jelly has complicated preparation steps, incon

Method used

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Embodiment Construction

[0016] This specific embodiment adopts following technical scheme: its preparation technological process is as follows:

[0017] 1. Fish scale thawing and rehydration: Thaw the fish scales naturally at room temperature and rehydrate;

[0018] 2. Cleaning: clean the fish scales;

[0019] 3. Pre-treatment: acid treatment, alkali treatment, and enzyme treatment of fish scales, and then wash the fish scales with flowing tap water until the pH is about 7.0, and then rinse twice with distilled water; drain the wet fish scales until no water drips, and then put them Put it into a beaker, add a certain proportion of distilled water, and seal it with aluminum foil to prevent water from evaporating;

[0020] 4. Gum extraction: at a temperature of 70-100°C, a time of 0.5-4 hours, a ratio of wet fish scales to distilled water of 1:3-8, and a pH of 7.0 for the extraction water;

[0021] 5. Suction filtration: Vacuum suction filtration with Buchner funnel, filter fish scale residue with n...

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Abstract

The invention discloses a preparation process of scale jelly, relating to the technical field of processing of fish products. The preparation process comprises the following steps: (1), unfreezing and rehydrating scales; (2), cleaning; (3), pretreating, namely, respectively performing acid treatment, alkali treatment and enzyme treatment on the scales, cleaning the scales with flowing tap water until the pH is 7.0, washing twice with distilled water, draining the wet scales until no water drops, placing the scales in a beaker, adding distilled water in a certain ratio, and sealing with aluminum foil paper to prevent water from evaporating; (4), extracting gelatin, namely, extracting gelatin under the conditions that the temperature is 70-100 DEG C, the time is 0.5-4 hours, the ratio of the wet scales to the distilled water is 1 to (3-8) and the pH of water for extracting the gelatin is 7.0; (5), suction-filtering, namely, performing vacuum suction filtration by a Buchner funnel, and filtering scale residues with nylon filter cloth; and (6), gelling, namely, gelling the scale gelatin in a container at a temperature of -10 to 10 DEG C. The scale jelly is high in yield, and high in calcium content; nutritional ingredients are not damaged; the preparation process is simple, gelatin is convenient to extract, and the cost is low.

Description

Technical field: [0001] The invention relates to the technical field of fish product processing, in particular to a preparation process of fish scale jelly. Background technique: [0002] The fish scales are usually scraped off and thrown away as waste. In fact, fish scales are rich in protein, fat and multivitamins, as well as iron, zinc, calcium and a variety of trace elements necessary for the human body, as well as colloid. [0003] The existing fish scale jelly has complicated preparation steps, inconvenient operation, low yield, high cost and destroyed nutritional components. Invention content: [0004] The object of the present invention is to provide a preparation process of fish scale jelly, which has high yield, high calcium content, no damage to nutrients, simple process, convenient extraction and low cost. [0005] In order to solve the existing problems of the background technology, the present invention adopts the following technical scheme: its preparation...

Claims

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Application Information

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IPC IPC(8): A23L1/325A23L1/06A23L17/00A23L21/10
CPCA23L17/00A23L21/10A23V2002/00
Inventor 都勤学
Owner HUZHOU NANXUN SUNYA AGRI DEV
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