Method for preparing glutamic acid chelated calcium tablet by utilizing waste bone
A technique for chelating calcium and bones with glutamic acid, applied in the field of calcium tablets, can solve the problems of low cost, poor solubility, and low absorption rate, and achieve the effects of low cost, easy absorption, and high bioavailability
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example 1
[0017] First, weigh 2 kg of discarded pig bones, remove excess meat on the pig bones with a knife, and clean the impurities on the surface with clean water. Soak in sodium solution, filter after soaking for 30 hours, then put the bones into the pot, add distilled water until the bones are submerged, heat to boiling, boil for 30 minutes, then conduct ultrasonic treatment at 50 kHz for 30 minutes, take out the bones after treatment, and rinse the surface with clean water for 3 minutes Put it in an oven and dry at 70°C for 6 hours; put the dried bones into a ball mill to grind and sieve to obtain 100-mesh bone powder, and mix the bone powder and glutamic acid solid at a mass ratio of 1:2 , add deionized water to the mixture according to a solid-to-liquid ratio of 1:10, stir and dissolve to obtain a mixed solution, adjust the pH value of the mixed solution to 7.0 with a mass fraction of 5% sodium hydroxide solution, put it in a water bath after adjustment, and set it at 75°C Carry...
example 2
[0020] First, weigh 3 kg of discarded pig bones, remove excess meat on the pig bones with a knife, and clean the impurities on the surface with clean water. After cleaning, add the bones to a concentration of 2mol / L hydrogen peroxide at a solid-to-liquid ratio of 1:3. Soak in sodium solution, filter after soaking for 40 hours, then put the bones into the pot, add distilled water until the bones are submerged, heat to boiling, boil for 40 minutes, then conduct ultrasonic treatment at 60 kHz for 35 minutes, take out the bones after treatment, and rinse the surface with clean water for 4 Put it in an oven and dry at 75°C for 6.5 hours; put the dried bones into a ball mill to grind and sieve to obtain 110-mesh bone powder, and mix the bone powder and glutamic acid solid in a mass ratio of 1:2 Mix, add deionized water to the mixture according to the solid-to-liquid ratio of 1:10, stir and dissolve to obtain a mixed solution, adjust the pH value of the mixed solution to 7.0 with a ma...
example 3
[0023]First, weigh 4kg of discarded pig bones, remove excess meat on the pig bones with a knife, and clean the impurities on the surface with clean water. Soak in sodium solution, filter after soaking for 50 hours, then put the bones into the pot, add distilled water until the bones are submerged, heat to boiling, boil for 50 minutes, then conduct ultrasonic treatment at 70 kHz for 40 minutes, take out the bones after treatment, and rinse the surface with clean water for 5 minutes Put it in an oven and dry it at 80°C for 7 hours; put the above-mentioned dried bones into a ball mill to grind and sieve to obtain 120 mesh bone powder, and mix the bone powder and glutamic acid solid in a mass ratio of 1:2 , add deionized water to the mixture according to the solid-to-liquid ratio of 1:10, stir and dissolve to obtain a mixed solution, adjust the pH value of the mixed solution to 7.0 with a mass fraction of 5% sodium hydroxide solution, put it in a water bath after adjustment, and se...
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