Gelatin Raw Materials powder Gelatin

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Gelatin powder Usage and Synthesis.

1.Edible gelatin. It is an important ingredient and additive in the food industry, often used as gelling agent, stabiliser, emulsifier, thickener and clarifier in the production of meat products, cakes, ice cream, beer, fruit juice and so on.

2. Biofilm materials. The most researched gelatin-based membrane materials at home and abroad are mainly chitosan-gelatin co-blended membrane, gelatin-silk pigment co-blended membrane, poly(lactic acid)-gelatin co-blended membrane and poly(vinyl alcohol)-gelatin co-blended membrane, etc. These blended materials greatly improve the physicochemical properties of gelatin, so that the gelatin-based polymer membrane materials are more functional. Gelatin is a hydrophilic chemical substance, useful in histochemistry, bacterial culture medium and optical microscope radioautography.

3. Medical fibres. Improvement of mechanical properties of gelatin-based medical fibre materials using other composites and gelatin for co-spinning.

4. Tissue repair and replacement. Gelatin-based composites used as tissue engineering scaffold materials and signal molecule carriers is currently one of the research hotspots of biomaterials. Gelatin solution after crosslinking to form a hydrogel, in which the water is a pore-forming agent, freeze-drying to form porous scaffold materials, and can be adjusted by changing the freezing parameters of the pore rate and pore size. Therefore, according to different tissue repair requirements, the design of ideal gelatin-based tissue engineering materials.

5.Industrial gelatine. Used in the manufacture of fibre textile, insulating materials, paper, holographic materials and so on.

Uses of Gelatin powder.

Gelatin is a hydrophilic colloid, has the effect of protecting the colloid, and can be used as a stabiliser and emulsifier for hydrophobic colloids. It is an amphoteric electrolyte, which can coagulate charged particles into blocks in water, and thus can be used as clarifying agent for wine and alcohol. As a dispersant, binder, thickener, stabiliser and emulsifier, it is widely used in photographic materials, pharmaceuticals, food, papermaking, printing, textile, printing and dyeing, electroplating, cosmetics, bacterial culture and so on.

preparation of Gelatin powder.

1. Alkali method: the bones and skins of animals are fully impregnated with lime emulsion, then neutralised with hydrochloric acid, washed with water, boiled at 60℃～70℃, and then preserved, bleached, frozen, flaked and dried. The finished product is called ‘B-type gelatine’ or ‘alkali gelatine’.

2. Acid method: the raw material is acidified in cold sulfuric acid solution with pH value of 1~3 for 2~8h, rinsed and soaked in water for 24h, then boiled at 50℃~70℃ for 4~8h, then frozen, extruded and dried. Finished products called ‘A-type gelatin’ or ‘acid gelatin’.

3. Enzymatic method: use protease to dissolve the raw material skin enzymatically and then treat it with lime for 24h, then neutralise, boil the gelatine, concentrate, freeze and dry it.

Product Method of Bulk Gelatin powder.

Alkali method will be fully impregnated with lime emulsion, such as animal bones and skins, and then neutralised with hydrochloric acid, washed, boiled at 60 ~ 70 ℃ gelatine, and then through the antiseptic, bleaching, freezing, slicing, drying and obtained. The finished product is called ‘B-type gelatine’, or ‘alkaline gelatine’.

Acid raw materials in the pH value of 1 ~ 3 cold sulfuric acid acid acidification 2 ~ 8h, rinsing and immersion in water for 24h, boiling gelatin at 50 ~ 70 ℃ for 4 ~ 8h, and then frozen gelatin, extrusion, drying and become. Finished products called ‘A-type gelatin’, or ‘acid gelatin’. The enzyme method uses protease to dissolve the raw material skin enzyme and then treat it with lime for 24h, and then neutralise, boil the gelatine, concentrate, freeze and dry it.

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