Optimization of Ultrasonic-Assisted Extraction of Flavonols and Anthocyanins from Blueberry Using RSM

Abstract:

Ultrasonic-assisted extraction (UAE) method was developed for continued extraction of flavonols and anthocyanins from Blueberry. Response surface methodology (RSM) was employed to optimize experimental conditions for extraction of flavonols and anthocyanins. Three major independent variables such as ultrasonic power (W), extraction time (min), liquid to solid ratio (mL/g) were studied. The optimal extraction conditions of flavonols and anthocyanins were determined as follows: ultrasonic power 512.7 W, extraction time 29.8 min, liquid to solid ratio 9.5:1 mL /g. Under a modified condition (ultrasonic power 510W, extraction time 30 min, liquid to solid ratio 10:1 mL /g), the experimental yields of flavonols and anthocyanins were 0.806mg/g and 2.903mg/g respectively, which were agreed closely with the predicted values (0.804mg/g and 2.899mg/g).

• Periodical: Advanced Materials Research (Volumes 468-471)
• Pages: 2423-2430
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.468-471.2423
• Online since: February 2012
• Authors: Yao Tian, Yu Yang, Ping Gao, Jin Hong Wang, Ya Qin Xu, Ze Yuan Yu
• Keywords: Anthocyanin, Blueberry, Extraction, Flavonols, Optimization, Response Surface Methodology (RSM)

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