Porcine gelatin3/20/2023 ![]() The Ventilex gelatin dryer is essentially a conveyor belt dryer. Next, it is transported into the drying tunnel. When the gelatin cools down, it spreads out on a stainless-steel conveyor belt in the form of a noodle. All other contact parts are made of stainless steel. The removable heat transfer tube is made of carbon steel and has been hard-chrome plated on the inside. This unit consists of a horizontal heat transfer cylinder furnished with scraper blades, a high-pressure pump, and an extrusion head gelling section. At Ventilex, the drying process starts by cooling the gelatin in a chemetator unit. A sterilization process completes this step.Īfter filtration, concentration, and sterilization, the liquid will be dried until it contains about 88% gelatin and 12% water. Evaporators are then used to concentrate the substance. Gelatin filtration and evaporation The next step in the gelatin manufacturing process is gelatin filtration: the liquid is pressed through filters to remove any bone, tissue, or skin that might still be present. On a side note, the gelatin extraction process can be done using water or acid, but never alkali, as this results in gelatin degradation. Each time, approximately 4% gelatin solution is extracted by drawing off the gelatin liquid. ![]() The gelatin extraction process consists of four to five cycles of boiling the raw materials in water or acid solutions. Gelatin extraction process During the gelatin hydrolysis stage, the protein molecules are dissolved in hot water, giving diluted solutions of gelatin. It is also said to result in more yield and better-quality gelatin. Gelatin hydrolysis can also be performed using enzymes, which requires less time than alkali gelatin hydrolysis. It takes several weeks to obtain this gelatin type B. For the treatment of bovine hide, alkali is typically used. The gelatin obtained in this way is called type-A gelatin. Acid treatment is predominantly used for pigskin and requires up to 2 days. Gelatin hydrolysis Next, the raw materials are hydrolyzed using acid or alkali. Hair is removed from the hides, and all materials are boiled to degrease them. Pretreatment When the raw materials come to the processing plant, they are first washed to remove debris. The improvement of the drying stage, in particular, can lead to interesting optimizations. However, with the growth of the gelatin market comes the challenge of optimizing the gelatin manufacturing process. Global gelatin market size, source: adroit market research Its thickening and gelling properties make it appealing for use in the personal care market.Īs can be seen in the image below, the rise in the production of food-grade, medical and pharmaceutical-grade gelatin, shows no signs of stopping: In addition, gelatin possesses properties like wound-healing, biodegradability, and a high absorption rate, driving the demand for medical and pharmaceutical-grade gelatin. It also has excellent stabilizing, binding, and emulsifying properties, enabling its use in a wide variety of food products. After all, gelatin is not just high in protein and low in fat. This, in turn, has led to a rise in the production of food-grade gelatin, collagen peptide and sub protein. Higher age and increased health-awareness spurred the demand for functional and nutraceutical foods. Gelatin has been used for centuries, but in recent years, the global gelatin market has grown significantly. Global gelatin market size in 2017, source: adroit market research The rise of the gelatin market However, cultural and religious objections to the use of bovine, and particularly porcine gelatin, have led to an emergence of the use of fish by-products. At present, pigskin is used most often, closely followed by bovine hide. Porcine gelatin is a hydrolyzed form of pork collagen. ![]() The three main sources of gelatin are cattle bones, pigskins and bovine hides. Gelatin is derived from collagen, a bodily protein substance. Let’s start with some background information. Read how we optimize the gelatin manufacturing process by increasing the efficiency of the gelatin dryer. At present, 50-60% of global gelatin is dried with a Ventilex DryGenic gelatin dryer. The improvement of the drying stage, in particular, can lead to interesting enhancements. The global gelatin market continues to grow, and companies are looking for efficient manufacturing processes. ![]()
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