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L-ascorbic acid-2-phosphate compound and preparation method and application thereof

A technology of vitamins and phosphate esters, applied in the fields of applications, compounds of elements of Group 5/15 of the periodic table, chemical instruments and methods, etc.

Inactive Publication Date: 2015-01-28
ANHUI AIWEI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the preparation method of vitamin C polyester composition is as follows: under the conditions of 15°C-45°C and pH 7-13, carry out esterification reaction of vitamin C and phosphate, and then stand and solidify the cured product. The vitamin C polyester composition is obtained through spray drying or flash drying, but the content of free vitamin C in the vitamin C polyester composition is still high, resulting in the stability of the vitamin C polyester composition. Sex still needs to be improved

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  • L-ascorbic acid-2-phosphate compound and preparation method and application thereof

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preparation example Construction

[0015] The invention provides a preparation method of a vitamin C phosphate composition, the preparation method comprising:

[0016] a. The second mixing process of mixing the lye and the first mixed solution to obtain a second mixed solution with a pH of 6.4-6.7;

[0017] B, sodium trimetaphosphate is mixed with the second mixed solution to form the third mixed solution of the third mixed solution;

[0018] c. The fourth mixing process of mixing the lye and the third mixed solution to obtain a fourth mixed solution with a pH of 11.0-11.5;

[0019] d. The fourth mixed liquid is left to solidify and the cured product is dried in a microwave with a frequency of 2400-2500MHZ to obtain a vitamin C phosphate composition;

[0020] Wherein, the first mixed solution contains vitamin C, anhydrous calcium chloride, a stabilizer and water; the lye is selected from one or more of calcium hydroxide aqueous solution, sodium hydroxide aqueous solution, and potassium hydroxide solution In t...

Embodiment 1

[0035] 1) At 20°C, mix 100kg vitamin C, 8kg anhydrous calcium chloride, 0.3kg sodium alginate and 150kg water for 10 minutes to prepare the first mixed solution;

[0036] 2) At 18°C, mix an aqueous calcium hydroxide solution with a pH of 12.2 and the first mixed solution for 25 minutes to prepare a second mixed solution with a pH of 6.5;

[0037] 3) At 15°C, mix 85kg of sodium trimetaphosphate with the second mixed solution for 15 minutes to form the third mixed solution;

[0038] 4) At 29°C, mix an aqueous calcium hydroxide solution with a pH of 12.2 and the third mixed solution for 3 hours to prepare a fourth mixed solution with a pH of 11.2;

[0039] 5) At 29°C, the fourth mixed liquid was left to solidify for 3 hours, and the cured product was dried in a microwave with a frequency of 2450MHZ (power 500KW) (the drying temperature was 80°C, and the drying time was 2.5h). Vitamin C Phosphate Composition A1.

Embodiment 2

[0041] 1) At 20°C, mix 100kg of vitamin C, 7kg of anhydrous calcium chloride, 0.1kg of sodium alginate and 100kg of water for 10 minutes to prepare the first mixed solution;

[0042] 2) At 17°C, mix an aqueous calcium hydroxide solution with a pH of 12 and the first mixed solution for 20-30 minutes to prepare a second mixed solution with a pH of 6.4;

[0043] 3) At 14°C, mix 80kg of sodium trimetaphosphate with the second mixed solution for 10 minutes to form the third mixed solution;

[0044] 4) At 28°C, mix the calcium hydroxide aqueous solution with a pH of 12 and the third mixed solution for 2-4 hours to prepare a fourth mixed solution with a pH of 11.0;

[0045] 5) At 28°C, the fourth mixed solution was left to solidify for 2 hours, and the cured product was dried in a microwave with a frequency of 2400MHZ (power 50KW) (the drying temperature was 70°C, and the drying time was 2h) to obtain vitamin C Phosphate Composition A2.

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Abstract

The invention discloses an L-ascorbic acid-2-phosphate compound and a preparation method and application thereof. The preparation method comprises the following steps: a, a second mixing procedure, namely mixing alkali liquor with first mixed liquor to prepare second mixed liquor with pH being 6.4-6.7; b, a third mixing procedure, namely mixing sodium trimetaphosphate with the second mixed liquor to obtain third mixed liquor; c, a fourth mixing procedure, namely mixing alkali liquor with the third mixed liquor to obtain fourth mixed liquor with pH being 11.0-11.5; and d, solidifying the fourth mixed liquor by standing and drying the solidified mixed liquor in microwaves with the frequency being 2400-2500MHZ to obtain the L-ascorbic acid-2-phosphate compound, wherein the first mixed liquor contains vitamin C, anhydrous calcium chloride, a stabilizer and water, and the alkali liquor is one or more of an aqueous solution of calcium hydroxide, an aqueous solution of sodium hydroxide and an aqueous solution of potassium hydroxide. The L-ascorbic acid-2-phosphate compound is excellent in stability.

Description

technical field [0001] The invention relates to a vitamin C phosphate composition, a preparation method and an application thereof. Background technique [0002] The vitamin C polyester composition is a stable vitamin C compound feed. The principle of its preparation is: use vitamin C as raw material for phosphorylation, protect the easily oxidizable group of vitamin C, and fundamentally Solve the defects of vitamin C instability and easy oxidation. When vitamin C polyester is ingested into animals, it is decomposed and absorbed by the phosphatase in the intestinal tract, thus playing the same physiological role as vitamin C. Therefore, compared with pure vitamin C and other types of vitamin C compounds, the vitamin C polyester composition not only has better stability, but also is easier to be absorbed by objects, thereby greatly improving vitamin C. C bioavailability. Vitamin C polyester composition has been widely used in various forms of feed, especially in aquatic fe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16C07F9/655
Inventor 孙金钟
Owner ANHUI AIWEI BIOTECH CO LTD
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