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Coated acidifying agent for feed and preparation method thereof

The technology of acidifier and coating is applied in the field of preparation of acidifier for feed, which can solve the problems of loss of feed nutrients, and achieve the effects of improving adsorption, improving coating effect and saving cost.

Inactive Publication Date: 2014-12-24
上海邦成生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention aims to solve the problem that the existing acidulant is added to livestock feed, resulting in the loss of feed nutrients, and provides a new acidulant with coating and its preparation method

Method used

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  • Coated acidifying agent for feed and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The process of preparing a kind of coating feed acidulant:

[0045] step 1:

[0046] Weigh 350g of silicon dioxide and 400g of phosphoric acid passed through a 60-mesh sieve into a sample bag, mix and shake until the phosphoric acid is completely absorbed; use a peristaltic pump to spray 100g of the coating solution into a fluidized bed coater for coating Granulation treatment;

[0047] Wherein, the coating solution includes polyacrylic acid resin emulsion and film coating premix with a mass ratio of 4:1, and the film coating premix specifically includes: polyethylene glycol (plasticizer), hard Magnesium fatty acid (anti-sticking agent), lecithin (surfactant), capsanthin (color).

[0048] Step 2:

[0049] Mix 150 g of citric acid and 8 g of fumaric acid with the coated product, and mix evenly to obtain the coated acidulant product. Coating process conditions: compressed air pressure 0.4Mpa, spray volume 0.36kg / min, spray temperature 32°C, air volume 2600m 3 / h.

Embodiment 2

[0051] The process of preparing a kind of coating feed acidulant:

[0052] step 1:

[0053] Weigh 400g of silicon dioxide and 500g of phosphoric acid passed through a 60-mesh sieve into a sample bag, mix and shake well until the phosphoric acid is completely absorbed; use a peristaltic pump to spray 120g of the coating solution into a fluidized bed coater for Coating and granulation treatment;

[0054] Wherein, the coating solution includes a polyacrylic acid resin latex solution and a film coating premix with a mass ratio of 6:1, and the film coating premix specifically includes: triethyl citrate (plasticizer), Micronized silica gel (anti-sticking agent), polysorbate-20 (surfactant), turmeric (color).

[0055] Step 2:

[0056] Mix 180 g of citric acid and 3 g of fumaric acid with the coated product, and mix evenly to obtain the coated acidulant product. Coating process conditions: compressed air pressure 0.5Mpa, spray volume 0.7kg / min, tablet bed temperature 40°C, air vol...

Embodiment 3

[0058] The process of preparing a kind of coating feed acidulant:

[0059] step 1:

[0060] Weigh 480g of silicon dioxide and 500g of phosphoric acid passed through a 60-mesh sieve into a sample bag, mix and shake well until the phosphoric acid is completely absorbed; use a peristaltic pump to spray 120g of the coating solution into a fluidized bed coater for Coating and granulation treatment;

[0061] Wherein, the coating solution includes polyacrylic acid resin emulsion and film coating premix with a mass ratio of 8:1, and the film coating premix specifically includes: glycerol triacetate (plasticizer), talcum powder (anti-sticking agent), polyoxyethylene fatty acid ester (surfactant), natural beta carotene (color).

[0062] Step 2:

[0063] Mix 180 g of citric acid and 3 g of fumaric acid with the coated product, and mix evenly to obtain the coated acidulant product. Coating process conditions: compressed air pressure 0.5Mpa, liquid spray volume 0.7kg / min, tablet bed te...

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Abstract

The invention relates to a preparation method of a coated acidifying agent for a feed. The preparation method comprises the following steps: firstly, adsorbing phosphoric acid; uniformly mixing silicon dioxide with phosphoric acid to completely adsorb phosphoric acid; putting a phosphoric acid adsorbate into a fluidized bed coating machine; spraying coating liquid into the coating machine by a peristaltic pump to perform coating granulation; and uniformly mixing a coated product with citric acid and fumaric acid to obtain the finished product. The acidifying agent prepared by the preparation method is a combination of organic and inorganic materials and the releasing speed of the acidifying agent can be effectively lowered; a coating film wrapping grains is a protective film so that the contact between the acidifying agent and alkaline substances in the feed, a premix and the like is reduced, and the acidifying effect of the acidifying agent is enhanced. The growth and reproduction of effective microbial communities, such as probiotics, can be facilitated to generate organic acids and other antibacterial substances, so that the pH value in gastrointestinal tracts is further reduced, and the growth of harmful bacteria is inhibited. The organic acids which are gradually released in digestive tracts also have a complexing effect and are combined with microelements in the feed, the premix and the like so as to promote the absorption in small intestinal tracts.

Description

technical field [0001] The invention relates to a method for preparing an acidulant for feed, in particular to a method for preparing a coated acidulant for feed and the prepared acidulant. Background technique [0002] Acidifier is a commonly used feed additive, which can increase the acidity of the feed. The acidifier can reduce the pH value of the animal's gastrointestinal tract, thereby improving the digestive activity of the animal's gastrointestinal tract; only when the pH value of the animal's digestive tract is stabilized at a suitable In order to maintain the normal digestive physiology of animals, if the pH value is too high, the activation of pepsinogen will be inhibited, but when the pH value is higher than 6, the pepsin will be inactivated. [0003] The existing acidulant can be combined with feed or water. After the animal eats the feed or water containing the acidulant, it can effectively improve the digestive tract environment of the animal itself, thereby me...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16
Inventor 郑云峰陆克文杨正坤
Owner 上海邦成生物工程有限公司
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