Abstract: Sheep Placenta Lyophilized Powder, belongs to the field of nutritional health care products and biopharmaceuticals. Sheep placenta contains rich nutrients and a variety of biologically active substances but has not been fully developed and utilized. The Sheep Placenta Lyophilized of the present invention is prepared by washing, crushing, and freeze-drying the sheep placenta. it processed by this process contains more than 95% of the effective components of sheep placenta. This product can be stored and transported for a long time and can greatly improve the utilization rate of sheep placenta.
The sheep placenta, also known as sheep cytoplasm, is an important tissue structure for the exchange of material between the fetus and the mother body during the developmental stage of sheep embryo production. Sheep placenta is rich in nutrients and a variety of biologically active substances. Sheep placenta contains more than 80% protein, its amino acid content is a rich, complete, and reasonable ratio, fat content of about 10%, which contains rich phosphate, and ester polysaccharide. Sheep placenta also contains immunoglobulin, a variety of antibodies and interferon, and contains a variety of active polypeptides, factors related to the coagulation process, growth factors to promote the regeneration of red blood cells, and the regulation of endocrine dysfunction related to the active substances and a variety of active enzymes. Therefore, sheep placenta can be used as raw materials and additives for medicines, health products, food, drinks, and cosmetics.
In Inner Mongolia and other livestock production, sheep placenta is very rich in resources, but due to the problems of preservation and transportation (if the traditional processing methods of drying, and roasting), result in the destruction of its nutrients and bioactive substances. Therefore, sheep placenta resources have not been fully exploited. It is understood that at present, there are a few places using sheep placenta to prepare hydrolyzed liquid, which is mainly used as an additive for cosmetics and oral liquid. However, the production process of hydrolyzed liquid is complicated, the output is low, and many tissue components in sheep placenta are lost. Placenta hydrolysate contains only 7% of the effective components of sheep placenta, and the utilization rate of sheep placenta resources is low. In addition, sheep placenta hydrolysate is easy to reproduce bacteria, and it is not suitable for its preservation and transportation.
In order to effectively and fully develop the resource of sheep placenta, a vacuum freeze-drying technology is used to prepare a Sheep Placenta Lyophilized Powder.
The method of preparing:
Sheep Placenta Lyophilized is prepared by washing, crushing, and preparing sheep placenta on a freeze-drying machine with the following process
1. The sheep placenta is in line with the quality standards after washing, and grinding into 80-200 mesh, water content is less than 90% of the particles;
2. Quickly loaded into the lyophilizer dry box, the lyophilizer dry box temperature control at -30 ℃ or so;
3. Freeze the products below the eutectic point within 1 hour at a temperature of about -40℃;
4. Hold the heat for 1 hour, so that the temperature of the condensing cylinder of the lyophilizer quickly reaches -50-55℃;
5. The freeze dryer dry box vacuum, so that its vacuum degree of 10Pa;
6. Products sublimation, temperature at -40 - 26.5 ℃, time in 8-14 hours;
7. Product drying, temperature at -26.5-35.9 ℃, time in 4-10 hours, so that the moisture content is less than 5%;
8. Out-of-the-box packaging, and sterilization.
In the sublimation process, the temperature is controlled below the eutectic point, i.e. -26.5℃; the vacuum degree is controlled at 20-30Pa by adjusting the temperature.
Summary Preparation Method:
Sheep Placenta Lyophilized is the use of the freeze-drying machine, the crushed sheep placenta will first be quickly frozen at low temperature, and then in the appropriate vacuum environment so that the water in the sheep placenta does not go through the process of icy water and water gas, and directly sublimation of water and gas escapes, it is always in a low-temperature state before drying, so the application of freeze-drying technology is more than the other drying methods, such as sun-drying, heating, evaporation, drying, spray-drying, and film drying, etc. are superior.
Sheep Placenta Lyophilized Powder has the following advantages:
1. The volume of the product is basically unchanged, maintaining the structure of the original material, avoiding the concentration of solutes and deterioration of the product.
2. After freeze-drying, the structure is loose, it is easy to dissolve after adding water, and immediately restores its original nature.
3. Sheep placenta is carried out under low temperatures, and the temperature in the late stage of drying is also controlled below 36℃, so it is especially suitable for the drying and preservation of some heat-resistant proteins and living microorganisms.
4. The moisture content of the dried material is less than 5%, which is favorable to the long-term preservation of sheep placenta powder for storage and transportation.
5. The drying of the products is carried out under vacuum conditions, so it is not easy to oxidize, and because it is sublimation drying, so it does not produce foam.
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