Salmon calcitonin phospholipid complex, its lipid nanoparticles and preparation method
A technology of calcitonin phospholipids and lipid nanoparticles, which is applied in the field of medicine, can solve the problems of poor fat solubility, low encapsulation rate, and low permeability, and achieve long-term storage and transportation and good long-term stability. Effect
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[0046] The above-mentioned content of the present invention will be further described in detail below through specific implementation in the form of examples, to illustrate but not limit the present invention.
[0047] Given that salmon calcitonin has poor fat solubility, poor transmembrane absorption, is easily degraded by proteolytic enzymes in the gastrointestinal tract, and is sensitive to the pH of the gastrointestinal tract, its oral bioavailability is low. The inventors overcome the problem by making lipid nanoparticles from salmon calcitonin into phospholipid complexes, lipid materials, surfactants and water through thin film dispersion. The above-mentioned defects have obtained salmon calcitonin-phospholipid complex lipid nanoparticles with advantages such as high oil-water partition coefficient of the drug, high mucosal permeability, good stability, and protection from protease degradation, which can improve oral bioavailability and purpose of clinical efficacy.
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