Abstract
Abstract
Purpose
Rubus idaeus cultivation has boosted productivity due to its high nutritional value. In consequence, waste production increased. The discarded biomass, including leaves and aerial components, can be transformed into valuable functional ingredients for industrial applications, such as cosmetics. Studying their bioactivity potential is highly relevant.
Methods
According to the present idea, the research involved producing extracts from raspberry plant branches and leaves by employing four different techniques: aqueous decoction, aqueous infusion, hydroethanolic maceration, and ultrasound-assisted extraction (UAE). Subsequently, these compounds were screened for their bioactive potential, including antioxidant, antibacterial, anti-inflammatory, and cytotoxic properties.
Results
The ultrasound-assisted extraction produced extracts rich in phenolic compounds, whereas the infusion and maceration methods resulted in higher flavonol contents. Among the identified phenolic compounds, hydrolyzable tannins, particularly galloyl-bis-HHDP-glucose, were the most dominant ones. Regarding antioxidant potential, the decoction extract was the strongest, while the infusion showed the greatest potential for inhibiting lipid peroxidation. The UAE extract was found to be highly effective as an antibacterial agent. Both infusion and UAE extracts demonstrated the highest anti-inflammatory potential.
Conclusion
The combination of these results highlights the sample’s bioactive potential and the importance of exploiting bioresidues as unique, sustainable candidates for industrial applications.
Funder
Instituto Politécnico de Bragança
Publisher
Springer Science and Business Media LLC
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