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Latin American applied research
versión impresa ISSN 0327-0793versión On-line ISSN 1851-8796
Resumen
SHENG, Z.; WANG, Y.; WAN, P. y LI, Y.. Ultrasound-assisted extraction of total flavonoids from leaves of Syringa Oblata Lindl. Lat. Am. appl. res. [online]. 2014, vol.44, n.2, pp.131-135. ISSN 0327-0793.
Leaves of Syringa Oblata Lindl. possess some important biological activities, such as antibacterial, antiviral, anti-inflammatory and antioxidant activities. These biological properties are mainly attributed to total flavonoids content. In this paper, ultrasound-assisted extraction of total flavonoids from leaves of Syringa Oblata Lindl. was studied. Effects of several experimental parameters, such as concentration of extracting solvent, ratio of liquid to material, extraction temperature, and time of sonication on extraction efficiencies of total flavonoids were evaluated. The best extraction conditions were: 1 g plant sample with 20 mL of 50% ethanol, at 60°C for 50 min, obtaining a yield of total flavonoids of 92.00 ± 0.87 mg/g of plant. The results indicated that high amounts of total flavonoids can be extracted from leaves of Syringa Oblata Lindl. by ultrasound-assisted extraction technology
Palabras clave : Ultrasound-assisted Extraction; Total Flavonoids; Leaves of Syringa Oblata Lindl.