A kind of celery seed oil solid dispersion and preparation method thereof
A technology of solid dispersion and celery seed oil is applied in the directions of medical preparations without active ingredients, medical preparations containing active ingredients, pharmaceutical formulas, etc., and can solve the problems of poor water solubility and volatile nature of celery seed oil, To achieve the effect of increasing the effective dose of essential oils, inhibiting volatilization, and shortening the preparation time
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Embodiment 1
[0032] Example 1: Preparation of solid dispersion with hydroxypropyl-β-cyclodextrin as carrier (1:10)
[0033] Add hydroxypropyl-β-cyclodextrin (6.0g) into a beaker, add distilled water to saturation, slowly add celery seed oil (0.6g), stir continuously for 30min, and then filter. The filtrate was spray-dried, the air inlet temperature was 140°C, the injection volume was 1000ml / h, the atomization pressure was 2.5BAR, the air outlet temperature was 85°C, and the fan power was 1.0KW. A solid dispersion of celery seed oil was obtained. Take an appropriate amount of the powder and place it in an Erlenmeyer flask, add 10 mL of distilled water, and shake for 24 hours on a shaker at 37°C and 150 rpm. After taking the supernatant and passing through a 0.45 μm membrane, use high performance liquid chromatography to detect the concentration of the main antibacterial components apigenin and limonene, as the solubility of apigenin and limonene. The test results show that the prepared cel...
Embodiment 2
[0034] Example 2: Preparation of solid dispersion with α-cyclodextrin as carrier (1:10)
[0035] Add α-cyclodextrin (6.0 g) into the beaker, add distilled water to saturation, slowly add celery seed oil (0.6 g), keep stirring for 30 min and then filter. The filtrate was spray-dried, the air inlet temperature was 140°C, the injection volume was 1000ml / h, the atomization pressure was 2.5BAR, the air outlet temperature was 85°C, and the fan power was 1.0KW. A solid dispersion of celery seed oil was obtained. The steps of solubility measurement are the same as in Example 1, and the test results show that the solubility of apigenin A in the prepared celery seed oil solid dispersion is 5.10g / L, and the solubility of limonene is 6.78g / L.
Embodiment 3
[0036] Example 3: Preparation of solid dispersion with β-cyclodextrin as carrier (1:10)
[0037] Add β-cyclodextrin (6.0g) into the beaker, add distilled water to saturation, slowly add celery seed oil (0.6g), keep stirring for 30min and then filter. The filtrate was spray-dried, the air inlet temperature was 140°C, the injection volume was 1000ml / h, the atomization pressure was 2.5BAR, the air outlet temperature was 85°C, and the fan power was 1.0KW. A solid dispersion of celery seed oil was obtained. The solubility detection step is the same as in Example 1. The test results show that the solubility of apigenin A in the prepared celery seed oil solid dispersion is 2.82g / L, and the solubility of limonene is 3.34g / L.
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