Method for preparing nano-scale or amorphous particle using solid fat as a solvent
First Claim
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1. A method for preparing nanoscale or amorphous particles comprising the steps of:
- (1) preparing a mixture comprising one or more active ingredients and solid fat and (2) pressurizing the mixture comprising one or more active ingredients and solid fat to the critical pressure or more by adding the gas of a supercritical fluid into the mixture, and then removing the solid fat from the mixture by releasing out the solid fat together with the gas of the supercritical fluid
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Abstract
The present invention relates to a method for preparing nanoscale or amorphous particles using solid fat as a solvent. According to the present invention, nanoscale or amorphous particles of active ingredients are prepared by using fat as a solvent, wherein the fat is in solid phase at room temperature. The nanoscale or amorphous particles of active ingredients can be advantageously used in medicine, cosmetics, functional foods or the like.
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18 Claims
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1. A method for preparing nanoscale or amorphous particles comprising the steps of:
- (1) preparing a mixture comprising one or more active ingredients and solid fat and (2) pressurizing the mixture comprising one or more active ingredients and solid fat to the critical pressure or more by adding the gas of a supercritical fluid into the mixture, and then removing the solid fat from the mixture by releasing out the solid fat together with the gas of the supercritical fluid
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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