Summary of the invention
The present invention relates to a kind of preparation method of fat-soluble vitamin for injection.Fat-soluble vitamin for injection of the present invention contains vitamin A palmitate, vitamin D
2, vitamin E, vitamin K
1And acceptable accessories.The aseptic freeze-dried powder that fat-soluble vitamin for injection of the present invention is made through the lyophilized technology, can replenish whole four kinds of fatsoluble vitamiies simultaneously through vein, handle through special process simultaneously, be dissolvable in water the water solublity diluent, needn't in the selection of diluent, must adopt fat milk, solve the patient and used fatsoluble vitamin to be subjected to the inconvenience of diluent restriction.
The fat-soluble vitamin for injection prescription:
Vitamin A palmitate 1.5-2.5 weight portion
Vitamin D
2The 3-8 weight portion
Vitamin E 7-10 weight portion
Vitamin K
1The 130-180 weight portion
Tween 80 40-60 weight portion
Polysorbas20 0.5-1.5 weight portion
Ethanol 250-400 weight portion
Glycine 2-3 weight portion
Cysteine hydrochloride 0.3-0.8 weight portion
Sodium sulfite 2-4 weight portion
EDTA-2Na 0.3-0.8 weight portion
Mannitol 40-60 weight portion
Fat-soluble vitamin for injection technology:
(1) EDTA-2Na that takes by weighing recipe quantity adds in the 75-90% water for injection (25 ℃ of water temperatures), is stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtains solution A, and is standby;
(2) mannitol, glycine, cysteine hydrochloride, the sodium sulfite that takes by weighing recipe quantity joins in the solution A, is stirred to whole dissolvings, and adjusting pH is 5.0-7.0, adds recipe quantity ethanol, stirs, and obtains solution B, and be standby;
(3) take by weighing the recipe quantity vitamin D
2, put in the beaker, add 1-4ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing recipe quantity vitamin E, Tween 80, polysorbas20, vitamin K successively
1, vitamin A palmitate, put in the beaker, stir and made dissolving in 8-12 minute, add in the solution C,, to same beaker, continue to stir and made dissolving in 30-50 minute with 1-5ml ethanol gradation cleaning solution C beaker, obtain solution D, standby;
(5) slowly pour into solution B, solution D in the agitator tank, constantly stir simultaneously, and water is rinsed beaker well, fully after the dissolving, regulate pH value between 6-7 with the NaOH solution of 0.1mol/L or the HCL solution of 0.1mol/L, benefit adds to the full amount of water for injection, and adds 0.05% (g/ml) active carbon, stirring at room 20-40 minute, coarse filtration was taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature is chilled to below-45 ℃, the beginning evacuation when vacuum arrives 8~10Pa, begins to heat up.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet.
Weight portion in the fat-soluble vitamin for injection prescription of the present invention is meant dosage unit commonly used in the pharmacy, as g, and mg, 1ml.
The preparation technology of fat-soluble vitamin for injection of the present invention all carries out under the lucifuge operation.
Data are investigated in fat-soluble vitamin for injection (II) test
One, influence factor's test:
Get this product, by " Chinese pharmacopoeia version appendix in 2005 XIXC requirement carrying out high temperature (40 ℃, 60 ℃) and strong illumination (4500 ± 500LX) tests, result of the test sees Table 1,2,3:
Table 1 influence factor high temperature (40 ℃) result of the test
Table 2 influence factor high temperature (60 ℃) result of the test
Table 3 influence factor illumination (4500 ± 500LX) result of the tests
Two, accelerated test:
Get this product by commercially available back, place under 40 ℃ ± 2 ℃, the condition of relative humidity RH75% ± 5% and placed 6 months, test in duration of test sampling in the 1st, 2,3,6 months, measurement result also compares with 0 month sample result of the test, and result of the test sees Table 4:
Table 4 accelerated test result
Three, long term test:
Get this product by commercially available back, place 20 ℃ ± 2 ℃, relative humidity RH60% ± 10% time to place 12 months, test respectively at sampling in 0,3,6,9,12 month, measurement result also compares with 0 month sample result of the test, and result of the test sees Table 5:
Table 5 long-term test results
The specific embodiment
Embodiment 1
Fat-soluble vitamin for injection prescription (1000):
Vitamin A palmitate 1.5g
Vitamin D
23g
Vitamin E 7g
Vitamin K
1130g
Tween 80 40g
Polysorbas20 0.5g
Ethanol 250ml
Glycine 2g
Cysteine hydrochloride 0.3g
Sodium sulfite 2g
EDTA-2Na 0.3g
Mannitol 40g
Fat-soluble vitamin for injection technology:
(1) take by weighing 0.3g EDTA-2Na and add in 75% water for injection (25 ℃ of water temperatures), be stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtain solution A, standby;
(2) take by weighing 40g mannitol, 2g glycine, 0.3g cysteine hydrochloride, 2g sodium sulfite and join in the solution A, be stirred to whole dissolvings, regulating pH is 5.0, adds 250ml ethanol, stirs, and obtains solution B, standby;
(3) take by weighing the 3g vitamin D
2, put in the beaker, add 1ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing 7g successively and give birth to plain E, 40g Tween 80,0.5g polysorbas20,130g vitamin K
1, the 1.5g vitamin A palmitate, put in the beaker, stir and made dissolving in 8 minutes, add in the solution C,, to same beaker, continue to stir and made dissolving in 30 minutes with 1ml alcohol gradation cleaning solution C beaker, obtain solution D, standby;
(5) solution B, solution D are slowly poured in the agitator tank, constantly stir simultaneously, and water is rinsed well beaker, after the dissolving, regulate pH value to 6 with the NaOH solution of 0.1mol/L fully, benefit adds to the full amount of water for injection, add 0.05% (g/ml) active carbon, stirring at room 20 minutes, coarse filtration is taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature was chilled to below-45 ℃, the beginning evacuation when vacuum arrives 8Pa, began intensification.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet.
Embodiment 2
Fat-soluble vitamin for injection prescription (1000):
Vitamin A palmitate 2.5g
Vitamin D
28g
Vitamin E 10g
Vitamin K
1180g
Tween 80 60g
Polysorbas20 1.5g
Ethanol 400ml
Glycine 3g
Cysteine hydrochloride 0.8g
Sodium sulfite 4g
EDTA-2Na 0.8g
Mannitol 60g
Fat-soluble vitamin for injection technology:
(1) take by weighing 0.8g EDTA-2Na and add in 90% water for injection (25 ℃ of water temperatures), be stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtain solution A, standby;
(2) take by weighing 60g mannitol, 3g glycine, 0.8g cysteine hydrochloride, 4g sodium bisulfate and join in the solution A, be stirred to whole dissolvings, regulating pH is 7.0, adds 400ml ethanol, stirs, and obtains solution B, standby;
(3) take by weighing the 8g vitamin D
2, put in the beaker, add 4ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing 10g vitamin E, 60g Tween 80,1.5g polysorbas20,180g vitamin K successively
1, the 2.5g vitamin A palmitate, put in the beaker, stir and made dissolving in 12 minutes, add in the solution C,, to same beaker, continue to stir and made dissolving in 50 minutes with 5ml ethanol gradation cleaning solution C beaker, obtain solution D, standby;
(5) solution B, solution D are slowly poured in the agitator tank, constantly stir simultaneously, and water is rinsed well beaker, after the dissolving, regulate pH value to 7 with the HCL solution of 0.1mol/L fully, benefit adds to the full amount of water for injection, add 0.05% (g/ml) active carbon, stirring at room 40 minutes, coarse filtration is taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature was chilled to below-45 ℃, the beginning evacuation when vacuum arrives 10Pa, began intensification.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet.
Embodiment 3
Fat-soluble vitamin for injection prescription (1000):
Vitamin A palmitate 2g
Vitamin D
25g
Vitamin E 9g
Vitamin K
1150g
Tween 80 50g
Polysorbas20 1g
Ethanol 300ml
Glycine 2.5g
Cysteine hydrochloride 0.5g
Sodium sulfite 3g
EDTA-2Na 0.5g
Mannitol 50g
Fat-soluble vitamin for injection technology:
(1) take by weighing 0.5g EDTA-2Na and add in 85% water for injection (25 ℃ of water temperatures), be stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtain solution A, standby;
(2) take by weighing 50g mannitol, 2.5g glycine, 0.5g cysteine hydrochloride, 3g sodium sulfite and join in the solution A, be stirred to whole dissolvings, regulating pH is 6.0, adds 300ml ethanol, stirs, and obtains solution B, standby;
(3) take by weighing the 5g vitamin D
2, put in the beaker, add 4ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing 9g vitamin E, 50g Tween 80,1g polysorbas20,150g vitamin K successively
1, the 2g vitamin A palmitate, put in the beaker, stir and made dissolving in 10 minutes, add in the solution C,, to same beaker, continue to stir and made dissolving in 45 minutes with 3ml ethanol gradation cleaning solution C beaker, obtain solution D, standby;
(5) slowly pour into solution B, solution D in the agitator tank, constantly stir simultaneously, and water is rinsed beaker well, fully after the dissolving, NaOH solution with 0.1mol/L is regulated pH value to 6.5, and benefit adds to the full amount of water for injection, and adds 0.05% (g/ml) active carbon, stirring at room 35 minutes, coarse filtration is taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature was chilled to below-45 ℃, the beginning evacuation when vacuum arrives 9Pa, began intensification.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet.
Embodiment 4
Fat-soluble vitamin for injection prescription (1000):
Vitamin A palmitate 1.94g
Vitamin D
25mg
Vitamin E 9.1g
Vitamin K
1150mg
Tween 80 50g
Polysorbas20 0.875g
Ethanol 300ml
Glycine 2.5g
Cysteine hydrochloride 0.5g
Sodium sulfite 2.5g
EDTA-2Na 0.5g
Mannitol 50g
Fat-soluble vitamin for injection technology:
(1) EDTA-2Na that takes by weighing 0.5g adds in 80% water for injection (25 ℃ of water temperatures), is stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtains solution A, and is standby;
(2) take by weighing 50g mannitol, 2.5g glycine, 0.5g cysteine hydrochloride, 2.5g sodium sulfite and join in the solution A, be stirred to whole dissolvings, regulating pH is 6.0, adds 300ml ethanol, stirs, and obtains solution B, standby;
(3) take by weighing the 5mg vitamin D
2, put in the beaker, add 2ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing 9.1g vitamin E, 50g Tween 80,0.875g polysorbas20,150mg vitamin K successively
1, the 1.94g vitamin A palmitate, put in the beaker, stir and made dissolving in 10 minutes, join in the solution C,, to same beaker, continue to stir and made dissolving in 40 minutes with 2ml ethanol gradation cleaning solution C beaker, obtain solution D, standby;
(5) with solution B, the solution of solution D is slowly poured in the agitator tank, constantly stir simultaneously, and water rinses beaker well, after the dissolving, regulates pH value 6.4 with the NaOH solution of 0.1mol/L fully, benefit adds to the full amount of water for injection, add 0.05% (g/ml) active carbon, stirring at room 30 minutes, coarse filtration is taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature was chilled to below-45 ℃, the beginning evacuation when vacuum arrives 8Pa, began intensification.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet, promptly gets fat-soluble vitamin for injection.
Embodiment 5
Fat-soluble vitamin for injection prescription (1500):
Vitamin A palmitate 2.91g
Vitamin D
27.5mg
Vitamin E 13.65g
Vitamin K
1225mg
Tween 80 75g
Polysorbas20 1.3125g
Ethanol 450ml
Glycine 3.75g
Cysteine hydrochloride 0.75g
Sodium sulfite 3.75g
EDTA-2Na 0.75g
Mannitol 75g
Fat-soluble vitamin for injection technology:
(1) EDTA-2Na that takes by weighing 0.75g adds in 80% water for injection (25 ℃ of water temperatures), is stirred to whole dissolvings, and inflated with nitrogen carries out saturatedly, obtains solution A, and is standby;
(2) mannitol, 3.75g glycine, 0.75g cysteine hydrochloride, the 3.75g sodium sulfite that takes by weighing 75g joins in the solution A, is stirred to whole dissolvings, and regulating pH is 6.0, adds 450ml ethanol, stirs, and obtains solution B, and be standby;
(3) take by weighing the 7.5mg vitamin D
2, put in the beaker, add 2ml ethanol, make dissolving, obtain solution C, standby;
(4) take by weighing 13.65g vitamin E, 75g Tween 80,1.3125g polysorbas20,225mg vitamin K successively
1, the 2.91g vitamin A palmitate, put in the beaker, stir and made dissolving in 10 minutes, join in the solution C,, to same beaker, continue to stir and made dissolving in 40 minutes with 2ml ethanol gradation cleaning solution C beaker, obtain solution D, standby;
(5) slowly pour into solution B, solution D in the agitator tank, constantly stir simultaneously, and water is rinsed beaker well, fully after the dissolving, regulate pH value 6.4 with the NaOH solution of 0.1mol/L, benefit adds to the full amount of water for injection, and adds 0.05% (g/ml) active carbon, stirring at room 30 minutes, coarse filtration is taken off charcoal; Survey pH value and intermediate content, carry out aseptic filter pressing after qualified;
(6) liquid medicine filling: indoor hundred grades of clean packing, micropore filter by 0.22 μ m to the aseptic filtration of medicinal liquid twin-stage after, be delivered to the numerical control liquid-filling machine, carry out liquid medicine filling according to the medicinal liquid loading amount, and carry out automatic false add plug, then semi-finished product are put on the clean freeze drying box internal partition, from top to bottom put successively, the products temperature gauge head is placed in required thermometric position on request, shuts chamber door then, medicinal liquid is carried out lyophilization;
(7) lyophilizing: medicine is put into case before the freeze dryer, closes chamber door, drive cold before case, when products temperature being reduced to-40 ℃, be incubated 2 hours, begin cold rear cabinet, when the rear cabinet temperature was chilled to below-45 ℃, the beginning evacuation when vacuum arrives 10Pa, began intensification.Begin to heat up from-40 ℃, the plate temperature heats up with the per 30 minutes speed with 5 ℃ below-25 ℃ the time; Insulation is 1 hour when arriving-20 ℃; Insulation is 2 hours when arriving-15 ℃; Insulation is 2 hours when arriving-10 ℃; Insulation is 2 hours when arriving-5 ℃; Insulation is 1 hour when arriving 0 ℃, observes goods watermark disappearance situation later on, progressively heats up, and products temperature arrives 20 ℃, is incubated 6 hours;
(8) fill nitrogen: lyophilization finishes, and connects the nitrogen pipeline through 0.22 μ m filter aseptic filtration, fills nitrogen.For the first time being filled to vacuum (probably needs 5-6MPa) when 650mbar, when being evacuated to the 10Pa left and right sides again, be filled to vacuum when 950mbar for the second time; Filling finish in cold dried case, carry out automatic tamponade under the condition of partial vacuum after, open charging valve and inflate, inflation is opened chamber door after finishing, and takes out the temperature of articles gauge head, from bottom to top presses the opposite order outlet of inlet, promptly gets fat-soluble vitamin for injection.