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CBD-Loaded Nanostructured Lipid Carriers: Optimization, Characterization, and Stability.

Yang Xie1, Peng Li1, Dong Fu1

  • 1Heilongjiang Academy of Sciences, Institute of Advanced Technology, Harbin 150020, China.

ACS Omega
|October 7, 2024
PubMed
Summary
This summary is machine-generated.

Nanostructured lipid carriers (CBD-NLCs) were developed to improve cannabidiol (CBD) stability and solubility for enhanced depression treatment. These CBD-NLCs show promise for pharmaceutical and food applications.

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Area of Science:

  • Pharmaceutical Nanotechnology
  • Drug Delivery Systems
  • Cannabinoid Research

Background:

  • Cannabidiol (CBD) shows therapeutic potential for depression but faces challenges like poor solubility and stability.
  • Polymorphism, limited water solubility, and hepatic first-pass metabolism hinder CBD's clinical application.
  • Novel delivery systems are needed to overcome these limitations and enhance CBD's efficacy.

Purpose of the Study:

  • To develop and optimize CBD-loaded nanostructured lipid carriers (CBD-NLCs) to improve CBD's chemical stability and water solubility.
  • To characterize the physicochemical properties and stability of the developed CBD-NLCs.
  • To evaluate the release profile and potential applications of CBD-NLCs in food fortification and pharmaceuticals.

Main Methods:

  • CBD-NLCs were prepared using hot-melt emulsification and optimized via response surface methodology (RSM) with a Box-Behnken design.
  • Formulations were characterized for particle size, polydispersity index (PDI), zeta potential, and encapsulation efficiency.
  • Morphology was assessed using scanning and transmission electron microscopy (SEM/TEM); stability and drug release kinetics were also evaluated.

Main Results:

  • Optimized CBD-NLCs exhibited a mean particle size of 54.33 nm, PDI of 0.118, zeta potential of -29.7 mV, and 87.58% encapsulation efficiency.
  • Electron microscopy confirmed spherical nanoparticle morphology.
  • CBD-NLCs demonstrated enhanced photostability, maintained integrity for 42 days, and showed a biphasic release pattern (initial burst followed by sustained release).

Conclusions:

  • The developed CBD-NLCs effectively enhance CBD's stability and solubility, addressing key limitations for therapeutic use.
  • The formulation's desirable characteristics and controlled release profile suggest significant potential for CBD delivery in pharmaceutical and food fortification applications.
  • This nanostructured lipid carrier system offers a promising strategy for improving the bioavailability and therapeutic efficacy of cannabidiol.