On Preparation and Characteristics of Coenzyme Q10 Supersaturated Selfmicroemulsion

Su Wei, He Shuangyan

Chinese Pharmaceutical Affairs ›› 2022, Vol. 36 ›› Issue (9) : 1049-1060.

Chinese Pharmaceutical Affairs ›› 2022, Vol. 36 ›› Issue (9) : 1049-1060. DOI: 10.16153/j.1002-7777.2022.09.011

On Preparation and Characteristics of Coenzyme Q10 Supersaturated Selfmicroemulsion

  • Su Wei, He Shuangyan
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Abstract

Objective: To prepare Coenzyme Q10 supersaturated self-microemulsion drug delivery system (Coenzyme Q10 S-SMEDDS) and study its in vitro properties. Methods: Taking particle size and selfemulsification time as indicators, the optimal proportion of SMEDDS prescription was obtained through optimizing Box-Behnken response surface methodology; the drug loading of Coenzyme Q10 SMEDDS was determined by investigating the saturated solubility of Coenzyme Q10 in mixed oil phase; Finally, the type and dosage of saturation promoting substances were gotten by investigating the compatibility of saturation promoting substances with Coenzyme Q10 SMEDDS and the stability after emulsification; the physical and chemical properties of Coenzyme Q10 S-SMEDDS were determined. Results: The optimal prescription of Coenzyme Q10 S-SMEDDS is MCT-Cremophor EL-Labrasol (30.92∶58.94∶40). The drug loading of Coenzyme Q10 in SMEDDS is 8.3%, the addition amount of Hydroxypropyl methyl cellulose K100 (HPMC K100) is 2%, the formed microemulsion has an average particle size of 28.90 nm, an average emulsification time of 29.49 s and an average potential of -31.15 mV, and the dissolution rate reaches 90.11% at 20 min. Conclusion: The prepared Coenzyme Q10 S-SMEDDS could significantly improve its solubility, and the stability is better after emulsification. S-SMEDDS has more advantages than ordinary SMEDDS.

Key words

coenzyme Q10; supersaturated promoting substances; supersaturated self-emulsifying drug delivery system; particle size; box-behnken response surface methodology; solubility; stability

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Su Wei, He Shuangyan. On Preparation and Characteristics of Coenzyme Q10 Supersaturated Selfmicroemulsion[J]. Chinese Pharmaceutical Affairs, 2022, 36(9): 1049-1060 https://doi.org/10.16153/j.1002-7777.2022.09.011

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