Abstract
Background: The use of natural-origin active compounds in disease treatment is currently a prevailing trend. Mangiferin, a major component found in mangoes, is present in relatively high proportions. However, mangiferin's disadvantages include low solubility and poor permeability. There are numerous methods available to improve solubility and permeability, among which selfassembly is noteworthy. Self-assembly involves the combination of certain molecules or macromolecules to form three-dimensional networks or other structures with new characteristics, phospholipids and chitosan are often used as raw materials for the self-assembly process to create nanoparticles. This method offers advantages such as high efficiency, simple implementation, short execution time, high retention efficiency, and increased permeability through biological membranes. Objectives: To develop a formulation and process for producing nano mangiferin using the selfassembly method with phosphatidylcholine and chitosan. Materials and methods: The solubility of mangiferin in high-proof ethanol was investigated, followed by an assessment of the influence of formulation factors and processes on the characteristics of nano-sized mangiferin particles. Results: The average solubility of mangiferin in 96% ethanol was approximately 0.5529±0.0003 mg/mL. The mole ratio of mangiferin to Lipoid S100 was 1:1, and the mass ratio of Lipoid S100 to chitosan was 20:1. A stirring speed of 1.000 revolutions per minute, reflux temperature of 70°C, reflux time of 2 hours. homogenization speed of 1,000 revolutions per minute, and homogenization time of 15 minutes produced the smallest nanoparticles (103.44±0.46 nm), with a low polydispersity index (0.281±0.009≤ 0.3) and zeta potential (31.95±0.08 mV ≥ +30 mV), encapsulation efficiency of 82.42±0.53%; loading capacity of 32.97±0.95%. Conclusions: A successful formulation of nanosized mangiferin particles was achieved using the self-assembly method, resulting in particles that meet the criteria of small size, uniformity, and durability. Moreover, nearly 100% mangiferin release was achieved after 60 minutes, indicating the promising potential for developing highly bioavailable oral formulations.
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