Preparation method of capsanthin feed additive with low dioxin content
A feed additive, capsicum red technology, applied in animal feed, animal feed, applications, etc., can solve the problems of not reducing dioxins in capsicum red feed additives, and can not effectively separate dioxins, so as to improve feeding safety Sex, method is simple and effective
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Embodiment 1
[0026] The preparation method of the capsanthin feed additive with low dioxin content is as follows:
[0027] 1) Take 250g of commercially available capsicum red ointment and dissolve it in 1L of absolute ethanol; take 75g of potassium hydroxide and dissolve it with a small amount of absolute ethanol; raise the temperature of the capsicum red ointment solution to 80°C, and add it dropwise while stirring Potassium hydroxide solution, then continue stirring reaction with the speed of 30rpm;
[0028] 2) After reacting for 2h, filter to obtain a solidified saponified product;
[0029] 3) Add saponified matter to 2.5L acetone, stir to make it fully dissolve, then filter to remove insoluble matter, distill the filtrate to recover acetone, and obtain 75.9g capsanthin ointment with low dioxin content;
[0030] 4) Take 200ml of ethanol, dissolve the above-mentioned capsanthin ointment, and then stir and mix with 800g of white carbon black to obtain a low-dioxin-content capsanthin feed...
Embodiment 2
[0033] The preparation method of the capsanthin feed additive with low dioxin content is as follows:
[0034] 1) Take 500g of commercially available capsicum red ointment and dissolve it in 1L of absolute ethanol; take 200g of potassium hydroxide and dissolve it with a small amount of absolute ethanol; raise the temperature of the capsicum red ointment solution to 60°C, and add it dropwise while stirring Potassium hydroxide solution, then continue stirring reaction with the speed of 40rpm;
[0035] 2) After reacting for 3h, filter to obtain a solidified saponified product;
[0036] 3) Add the saponified matter into 4L of acetone, stir to make it fully dissolve, then filter to remove the insoluble matter, distill the filtrate to recover the acetone, and obtain 151.5 g of capsicum ointment with low dioxin content;
[0037] 4) Take 300ml of ethanol, dissolve the above-mentioned capsanthin ointment, and then stir and mix with 2.2kg of calcium silicate to obtain a low-dioxin-conte...
Embodiment 3
[0040] The preparation method of the capsanthin feed additive with low dioxin content is as follows:
[0041] 1) Take 500g of commercially available capsicum red ointment and dissolve it in 1.5L of absolute ethanol; take 200g of potassium hydroxide and dissolve it with a small amount of absolute ethanol; raise the temperature of the capsicum red ointment solution to 70°C and, under stirring, drop Add potassium hydroxide solution, then continue stirring reaction with the speed of 50rpm;
[0042] 2) After reacting for 2.5h, filter to obtain a solidified saponified product;
[0043] 3) Add the saponified matter into 3L of acetone, stir to make it fully dissolve, then filter to remove the insoluble matter, distill the filtrate to reclaim the acetone, and obtain 154.5 g of capsicum ointment with low dioxin content;
[0044] 4) Take 300ml of ethanol, dissolve the above-mentioned capsanthin ointment, and then stir and mix with 2.3kg of bentonite to obtain a low-dioxin content capsan...
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