Enhancing Polyphenol Recovery and Stability in Lemon Myrtle (Backhousia citriodora) and River Mint (Mentha australis) in Herbal Tea Infusions Using Ultrasound-Assisted Extraction and Spray-Dried Microencapsulation
This study evaluated water-based ultrasound-assisted extraction (UAE) and spray-dried microencapsulation for producing phenolic-rich powders from Australian lemon myrtle (LM; Backhousia citriodora) and river mint (RM; Mentha australis). UAE was screened across time, amplitude and material-to-solvent ratio, with total p...