[Study on dispersivity of baicalin solid dispersion by vibrational spectrometry]

Area of Science:

• Pharmaceutical Sciences
• Analytical Chemistry
• Materials Science

Context:

• Solid dispersions are crucial for enhancing drug solubility and bioavailability.
• Characterizing the physical state of drugs within solid dispersions is essential for quality control.
• Traditional methods for assessing solid dispersion dispersivity can be time-consuming or destructive.

Purpose:

• To evaluate Raman spectrometry as a method for determining the dispersivity of baicalin solid dispersions.
• To compare Raman spectrometry with infrared spectrometry and X-ray powder diffraction for solid dispersion analysis.
• To establish a simple and efficient technique for examining solid dispersion quality.

Summary:

• Baicalin solid dispersions were prepared using the solvent method.
• Raman spectra, infrared spectra, and X-ray powder diffraction patterns were analyzed.
• Raman spectrometry confirmed the amorphous nature of baicalin in the solid dispersion, consistent with X-ray diffraction results.

Impact:

• Raman spectrometry is identified as an ideal technique for rapid, direct, and non-destructive analysis of solid dispersion dispersivity.
• This study provides a valuable method for quality control in the manufacturing of baicalin solid dispersions.
• The findings contribute to the development of more efficient analytical methods in pharmaceutical science.