St. John’s wort is widely used in medicine due to its anti-inflammatory, antimicrobial and antioxidant properties. The main components of the plant are flavonoids, naphthodianthrones and tannins.
The ultrasonic extraction method is based on the phenomenon of cavitation, which is the formation of bubbles in a solvent under the influence of sound waves. These bubbles disrupt the cell walls of the plant material, accelerating the release of target compounds. The press service noted that the advantages of the technology are a reduction in processing time, a decrease in solvent consumption and an increase in the yield of useful substances.
The developed apparatus provides a continuous supply of raw materials and equal distribution of acoustic energy. This allows the biological activity of the extracted compounds to be preserved, which is especially important for the pharmaceutical and food industries.
Source: Ferra
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