Method for industrially extracting protoheme from solarized swine blood meal in slaughter house
An extraction method and a technology of pig blood meal, which are applied in the direction of iron group organic compounds without C-metal bonds, organic chemistry, iron organic compounds, etc., can solve the problems of loss of active components of pig blood, difficulty in solvent recovery, high extraction cost, etc., to achieve Solve the difficulty of recycling, easy recycling and application, and high extraction rate
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Embodiment 1
[0035] A method for industrialized extraction of hemoglobin in sun-dried pig blood powder of a slaughterhouse of the present invention comprises the following steps:
[0036] A. One-stage extraction of heme:
[0037]Dry the sun-dried pig blood meal in the slaughterhouse, add diethylamine and methanol, and the mass volume ratio of pig blood meal to diethylamine and methanol is pig blood meal (g): diethylamine (ml): methanol (ml) = 1 :0.33:3, heat up to 30°C, stir and extract for 1 hour; filter, and vacuum-dry the porcine blood powder filter residue at 40°C, distill the filtrate to dryness under reduced pressure and recover most of the solvent. ): hydrochloric acid (ml) = 1:1 mass volume ratio, add 5% hydrochloric acid solution to the mixture of residue after evaporation to dryness and pig blood meal filter residue; heat up to 50°C, stir and reflux for 1 hour, cool down to 7 Stand at ℃ for 1 hour to crystallize, and filter to obtain steel-blue flashing needle-shaped heme crysta...
Embodiment 2
[0043] A method for industrialized extraction of hemoglobin in sun-dried pig blood powder of a slaughterhouse of the present invention comprises the following steps:
[0044] A. One-stage extraction of heme:
[0045] Dry the sun-dried pig blood meal in the slaughterhouse, add diethylamine and methanol, and the mass volume ratio of pig blood meal to diethylamine and methanol is pig blood meal (g): diethylamine (ml): methanol (ml) = 1 :1:18, heat up to 80°C and stir for 6 hours; filter, and vacuum-dry the porcine blood powder filter residue at 80°C, distill the filtrate to dryness under reduced pressure and recover most of the solvent. ): hydrochloric acid (ml) = 1:6 mass volume ratio, add 20% hydrochloric acid solution to the mixture of residue after evaporation to dryness and pig blood meal filter residue; heat up to 100°C, stir and reflux for 4 hours, cool down to 20°C Stand at ℃ for 10 hours to crystallize, and filter to obtain steel blue flashing needle-shaped heme crystal...
Embodiment 3
[0051] A method for industrialized extraction of hemoglobin in sun-dried pig blood powder of a slaughterhouse of the present invention comprises the following steps:
[0052] A. One-stage extraction of heme:
[0053] Dry the sun-dried pig blood meal in the slaughterhouse, add diethylamine and methanol, and the mass volume ratio of pig blood meal to diethylamine and methanol is pig blood meal (g): diethylamine (ml): methanol (ml) = 1 :0.5-1:12, heat up to 30-80°C, stir and extract for 4 hours; filter, vacuum-dry the pig blood meal filter residue at 460°C, distill the filtrate to dryness under reduced pressure and recover most of the solvent, press the residue after evaporation to dryness and pig blood meal filter residue The mixture (g): hydrochloric acid (ml) = 1:2 mass volume ratio, add a 10% hydrochloric acid solution to the mixture of the residue after evaporation to dryness and the filter residue of pig blood meal; heat up to 70°C, stir and reflux for 2 hours , cooled to ...
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