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<p>Curcumin, a natural polyphenolic compound derived from turmeric, is well-documented for its therapeutic properties, including anti-inflammatory, antioxidant, antimicrobial, and anticancer activities. However, its clinical and nutraceutical applications are limited by its poor aqueous solubility, low oral bioavailability, and unpleasant taste. This study aimed to encapsulate curcumin in alginate-based nanoparticles, with and without chitosan coating, to improve its palatability while preserving its therapeutic efficacy. Two optimized formulations uncoated curcumin-loaded alginate nanoparticles (CANPs) and chitosan-coated nanoparticles (CANPs-Cs) were developed, exhibiting average particle sizes of 199.51 ± 9.40&#xa0;nm and 312.90 ± 10.30&#xa0;nm, polydispersity indices of 0.26 ± 0.090 and 0.27 ± 0.09, zeta potentials of − 23.10 ± 1.10&#xa0;mV and + 28.50 ± 1.00&#xa0;mV, encapsulation efficiencies of 93.6 ± 3.5% and 90.8 ± 0.1%, and drug loading of 1.32 ± 0.15% and 1.25 ± 0.19%, respectively. FTIR analysis confirmed the compatibility and successful encapsulation of curcumin within the nanoparticle matrix. The chitosan-coated formulation (CANPs-Cs) exhibited enhanced antioxidant activity and superior taste-masking ability, as evidenced by a significant reduction (~ 50%) in curcumin release within artificial saliva compared to CANPs. Additionally, both formulations demonstrated potent cytotoxic effects against the CT26 colon cancer cell line, with CANPs-Cs maintaining therapeutic efficacy while offering improved sensory attributes. These findings suggest that CANPs-Cs is a promising delivery system for curcumin, offering enhanced bioactivity and palatability suitable for food and pharmaceutical applications.</p>

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Formulation and evaluation of taste-masked curcumin nanoparticles for improved antioxidant and anticancer efficacy

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月20日

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  • Mulham Alfatama,
  • Zalilawati Mat Rashid,
  • Omar A. Harasstani,
  • Hamzeh Alkhatib,
  • Asif Nawaz,
  • Hazem Choukaife

摘要

Curcumin, a natural polyphenolic compound derived from turmeric, is well-documented for its therapeutic properties, including anti-inflammatory, antioxidant, antimicrobial, and anticancer activities. However, its clinical and nutraceutical applications are limited by its poor aqueous solubility, low oral bioavailability, and unpleasant taste. This study aimed to encapsulate curcumin in alginate-based nanoparticles, with and without chitosan coating, to improve its palatability while preserving its therapeutic efficacy. Two optimized formulations uncoated curcumin-loaded alginate nanoparticles (CANPs) and chitosan-coated nanoparticles (CANPs-Cs) were developed, exhibiting average particle sizes of 199.51 ± 9.40 nm and 312.90 ± 10.30 nm, polydispersity indices of 0.26 ± 0.090 and 0.27 ± 0.09, zeta potentials of − 23.10 ± 1.10 mV and + 28.50 ± 1.00 mV, encapsulation efficiencies of 93.6 ± 3.5% and 90.8 ± 0.1%, and drug loading of 1.32 ± 0.15% and 1.25 ± 0.19%, respectively. FTIR analysis confirmed the compatibility and successful encapsulation of curcumin within the nanoparticle matrix. The chitosan-coated formulation (CANPs-Cs) exhibited enhanced antioxidant activity and superior taste-masking ability, as evidenced by a significant reduction (~ 50%) in curcumin release within artificial saliva compared to CANPs. Additionally, both formulations demonstrated potent cytotoxic effects against the CT26 colon cancer cell line, with CANPs-Cs maintaining therapeutic efficacy while offering improved sensory attributes. These findings suggest that CANPs-Cs is a promising delivery system for curcumin, offering enhanced bioactivity and palatability suitable for food and pharmaceutical applications.