Optimization of ultrasonic asssisted extraction of phytosterol from <i>Paeonia suffruticosa</i> Pericarp

CHEN Gang; YANG Yu-zhen; SHANG Ru-jie; LUO Qing; WANG Guo-xia

doi:10.13386/j.issn1002-0306.2018.03.039

CHEN Gang, YANG Yu-zhen, SHANG Ru-jie, LUO Qing, WANG Guo-xia. Optimization of ultrasonic asssisted extraction of phytosterol from Paeonia suffruticosa Pericarp[J]. Science and Technology of Food Industry, 2018, 39(3): 201-204. DOI: 10.13386/j.issn1002-0306.2018.03.039

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Optimization of ultrasonic asssisted extraction of phytosterol from Paeonia suffruticosa Pericarp

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The ultrasonic method was used to extract the phytosterol from Paeonia suffruticosa pericarp. The ultrasonic power,the ratio of liquid to solid and the ultrasonic extraction time were assessed. A three-factor three-level orthogonal test was applied to optimize the ultrasonic extraction conditions. The results showed that the yield of phytosterol 0.495%±0.001% extracted with the optimal extraction conditions:ultrasonic power 300 W,liquid to solid ratio 30 mL/g and ultrasonic time 60 min was significant higher than the yield of phytosterol 0.439%±0.004% with the ethanol extraction conditions(p<0.05).

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Science and Technology of Food Industry

Optimization of ultrasonic asssisted extraction of phytosterol from Paeonia suffruticosa Pericarp

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