1, through the rumen choline chloride - product overview

Choline chloride has been widely used as an animal feed additive in the feeding of monogastric animals. The feed additive has 70% and 75% choline chloride aqueous solution on choline chloride, and 50% and 60%. The choline chloride solid powder product, whether solid or liquid feed grade choline chloride, has different degrees of moisture absorption. The moisture absorption, carbon dioxide absorption and surface activity of choline chloride are all in the feed. The vitamins have a strong destructive effect.

Choline chloride enters the rumen of animals, most of which is degraded by rumen microbes, and only a small part can enter the small intestine. Therefore, choline chloride is directly fed to ruminants, and the effect is not obvious. Therefore, the potency of choline chloride in ruminants is much lower than that of monogastric animals, which is the root cause of chlorinated choline not widely used in ruminant diets.

 
2, the rumen coated choline chloride - preparation process

The technology of choline chloride microcapsules is characterized in that choline chloride is a carrier core and a hydrogenated vegetable oil is used as a capsule material. Considering the problem of choline chloride absorption and vitamin destructiveness, silica is used as a carrier to solve the problem of moisture absorption. Considering the characteristics of ruminant rumen, it is hoped that the core of the capsule can be coated with hydrogenated vegetable oil to reduce the rumen. Absorption of choline chloride. Hydrogenated vegetable oil, as a coating, has poor solid formability and is deformed and broken by a slight pressure.

In the microcapsule technology, a choline chloride is required as a core component, and the coating (also referred to as a capsule or wall material) is not easily degraded in the rumen, absorbed by the small intestine as much as possible, and the cost is low, and A rumen choline chloride microcapsule product which has good solidity and can withstand a certain pressure without deformation.
 
 
By arranging more than one layer of different coatings on the core material, Jiangsu Bohong Company can not only be waterproof but also solid, ensuring that the finished product will not be damaged by compression and deformation during packaging, transportation and storage, and can be reached in the rumen. The purpose of sustained release is to increase the absorption rate of choline chloride in the small intestine. The core material is spray coated by a fluidized bed process, the coating thickness is uniform, the particles are rounded and formed well, and can be used as a dietary choline addition of ruminants such as cattle and sheep.
（1） Preparation of core material: 40 kg of choline chloride, 10 kg of starch, 5 kg of microcrystalline cellulose, 45 kg of vermiculite and 30,000 ml of 1.5% aqueous solution of sodium carboxymethylcellulose, and then granulated by a rocking granulation mechanism. After being shot blasting by shot blasting machine, drying (equipment: FLP type fluidized bed granulation coating dryer), sieving, sieving the particle size between 16-40 mesh, spare.
The rumen-coated choline chloride is spray coated with the core material in a fluidized bed process, the coating thickness is uniform, the particles are rounded and formed, and the choline chloride, starch, microcrystalline cellulose and carboxymethyl cellulose are used. The sodium aqueous solution is mixed in proportion, and is granulated by a rocking granulation mechanism, and then subjected to shot blasting by a centrifugal shot blasting machine, a fluidized bed granulation coating dryer, and sieved, and the sieved particle size is between 16-40 mesh.
 
(2) After the inner coating is finished, adjust the atomization pressure O. 15~0. 20Mpa, the inlet air temperature is 80~90, the peristaltic pump flow rate is 3~5g/min, and the chitosan solution is sent to the peristaltic pump. The fluidized bed was sprayed on the inner layer coating of the core material particles by a spray gun to form an outer layer coating of the core material, and the amount of the dried chitosan was 3% of the core material as the outer layer coating.
 (3) After the inner and outer coatings are sprayed, the atomization pressure is adjusted to 0.15~0.20Mpa, the inlet air temperature is 45~55, the peristaltic pump flow rate is 8~14g/min, and the ethyl cellulose solution is sent to the peristaltic pump. The fluidized bed is sprayed on the outer coating of the core material particles by a spray gun to form an additional layer coating of the core material, and the sprayed amount of the dried ethyl cellulose is coated as an additional layer as 5% of the core material mass, and dried. After that, the rumen choline chloride product was obtained.
The higher the release rate in the buffer solution, the better the digestibility of the small intestine. The purpose of passing the rumen is to make the choline chloride avoid the digestion of choline chloride by the rumen as much as possible, and to reach the small intestine as much as possible to be absorbed by the small intestine, so that the ruminant can obtain nutrition in a simple and quick way. Therefore, it can be seen from the above table that the use of a single layer coating to avoid rumen digestion has a poor effect on choline digestion, and the effect of coating with two or more layers is better.