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Hydration amino formyl glycine dipeptide chelating iron and preparation method thereof
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A technology for hydrating carbamoylglycine dipeptide and carbamoylglycine dipeptide, which is applied in the field of hydrated carbamoylglycine dipeptide chelated iron and its preparation, can solve problems such as environmental pollution, and achieve high product purity and reduced content , the effect of increasing the content
Active Publication Date: 2015-01-28
GUANGZHOU TANKE BIO TECH +3
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Therefore, only a small part (5% to 8%) is absorbed, and the rest is excreted through the intestinal tract with feces, which is likely to cause environmental pollution
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Embodiment 1
[0024] The preparation method of hydrated carbamoylglycine dipeptide chelated iron, its concrete steps are as follows:
[0025] Weigh 23.6g (0.2mol) of carbamoylglycine dipeptide, add 60ml of water to dissolve, adjust the pH to 5.0 with sodiumhydroxide, and heat to 60°C; then add 0.35g of ascorbic acid, 27.8g (0.1mol) of ferroussulfate heptahydrate , control the temperature at 60° C., react for 1.0 hour; cool and stir to crystallize, filter with suction, and vacuum-dry the obtained solid at 60° C. to obtain 29.2 g of hydrated carbamoylglycine dipeptide chelated iron.
[0026] The iron content in the dipeptide chelated iron was detected to be 13.72%, and the nitrogen content was 13.84%.
Embodiment 2
[0028] The preparation method of hydrated carbamoylglycine dipeptide chelated iron, its concrete steps are as follows:
[0029] Weigh 40.12g (0.34mol) of carbamoylglycine dipeptide, add 80ml of water to dissolve, adjust the pH to 6.0 with sodiumhydroxide, and heat to 50°C; then add 0.70g of ascorbic acid, 55.6g (0.2mol) of ferroussulfate heptahydrate , control the temperature at 70°C, react for 0.5 hours; cool and stir to crystallize, filter with suction, and vacuum-dry the obtained solid at 60°C to obtain 59.4 g of hydrated carbamoylglycine dipeptide chelated iron.
[0030] The iron content in the dipeptide chelated iron was detected to be 13.88%, and the nitrogen content was 13.76%.
Embodiment 3
[0032] The preparation method of hydrated carbamoylglycine dipeptide chelated iron, its concrete steps are as follows:
[0033] Weigh 74.34g (0.63mol) of carbamoylglycine dipeptide, add 193ml of water to dissolve, adjust the pH to 5.0 with sodiumhydroxide, and heat to 55°C; then add 1.05g of ascorbic acid, 83.4g (0.3mol) of ferrous sulfate heptahydrate , control the temperature at 80° C., and react for 1.0 hour; cooling, stirring and crystallization, suction filtration, and vacuum drying of the obtained solid at 60° C. to obtain 85.8 g of hydrated carbamoylglycine dipeptide chelated iron.
[0034] The iron content in dipeptide chelated iron was detected to be 13.81%, and the nitrogen content was 13.79%.
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Abstract
The invention discloses a hydration amino formyl glycinedipeptidechelating iron and preparation method thereof. The invention uses amino formyl glycinedipeptide and ferrous sulphate as main raw materials, and the crystal hydration amino formyl glycinedipeptidechelating iron can be directly precipitated from aqueous solution without organic solvent. The invention has the advantages of easily available raw materials, simple process, low cost, high product purity, stable quality and convenient for industrial production, etc. The hydration amino formyl glycine dipeptide chelating iron provided by the invention can be used as an animal feed additive for improving production performance of weaned pig, and improving content of trace elements in the serum, and reducing content of metal elements in night soil and improving antioxidation performance of body.
Description
technical field [0001] The invention belongs to the technical field of feed additives, in particular to hydrated carbamoylglycine dipeptide chelated iron and a preparation method thereof. Background technique [0002] Iron is one of the most essential trace elements for animals. About two-thirds of the iron in the animal body exists in the hemoglobin of red blood cells and myoglobin of muscles, and 20% of the iron exists in liver, spleen and other tissues in different forms. The main physiological function of iron is to transport oxygen and carbon dioxide through hemoglobin, and to fix and store oxygen through myoglobin. Modern studies have proved that iron is closely related to energy metabolism, because more than half of the enzymes and factors in the tricarboxylic cycle contain iron or can only exert their biochemical effects and complete physiological functions when iron exists. Iron also affects protein synthesis and immune function in animals. [0003] Iron deficien...
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