1, microencapsulated sodium butyrate - product overview


Preparation method of microencapsulated coated sodium butyrate for animal feed additive. Hydroxypropyl methylcellulose, chitosan and silica are mixed and boiled in a fluidized bed at a high temperature of 230 ° C, and then an aqueous solution of sodium butyrate is sprayed onto the mixture of the above three substances, dried at a high temperature and then cured at a low temperature. The sodium butyrate granules are solidified, and then the coating materials such as carnauba wax, palm oil and polyethylene glycol are dissolved in an organic solvent, and the bottom spray coating is carried out in a fluidized bed to obtain uniform sodium butyrate particles. The sodium butyrate mass percentage is between 30-70%. Microencapsulated coating of feed grade sodium butyrate powder to avoid the loss of sodium butyrate in poultry sac and pig stomach, reaching the small intestine and covering the entire intestine, while overcoming the odor, preventing deliquescence, and protecting the diced Sodium is not lost during feed processing.


Sodium butyrate as a feed additive can promote the growth of small intestine villi, improve the ratio of villus length to crypt; improve the shape of small intestine, promote digestion and absorption of small intestine; protect colonic mucosal epithelial cells, enhance immune function; maintain intestinal micro-ecological balance And other functions such as sterilization, anti-cancer, and anti-infection.


A method for preparing microencapsulated coated sodium butyrate, which is characterized in that sodium butyrate is first dissolved in water, and then hydroxypropylmethylcellulose, chitosan and silica are mixed and 230° in a fluidized bed. c high temperature boiling expansion, then spray sodium butyrate aqueous solution onto the above three substances mixture, so that sodium butyrate is embedded in the framework material, and dried at 120-140 ° C; high temperature drying and curing at _5 ° C low temperature The sodium butyrate granules are solidified, and then the carnauba wax, palm oil and polyethylene glycol are dissolved in an organic solvent, and a bottom spray is performed in a fluidized bed coating machine to uniformly spray the coating material to sodium butyrate. The surface of the particles, the flow rate of 0.l_3L/min, the inlet air temperature of 50_90 ° C, the time of 3_4h, the final product size of 85% or more passed the 20 mesh analysis sieve.


The sodium-butyrate was microencapsulated and coated with plant-derived coating material, so that the sodium butyrate after coating was in the micro-encapsulated material, stable in the stomach, and slowly released in the intestine to reach the intestine. Provide energy for the entire intestine, while masking the odor of sodium butyrate to prevent dehydration of sodium butyrate.