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我室在《Innovative Food Science & Emerging Technologies》发表SCI文章

发布日期:2016-03-28    作者:     来源:     点击:

Homogenate-assisted negative pressure cavitation extraction of active compounds from Pyrola incarnata Fisch. and the extraction kinetics study


Innovative Food Science & Emerging Technologies, Volume 27, February 2015, Pages 86-93


Ming-Hui Duan, Wen-Jing Xu, Xiao-Hui Yao, Dong-Yang Zhang, Yu-Hang Zhang, Yu-Jie Fu, Yuan-Gang Zu


Impact Factor: 2.248


Abstract


A new extraction method, homogenate-assisted negative pressure cavitation extraction,was designed to extract themain active compounds from Pyrola incarnata Fisch. The influential parameterswere optimized by single factor experiments and extraction kinetics. Optimal conditionswere set as follows: homogenate time of 120 s, negative pressure of −0.05 MPa, liquid/solid ratio of 30:1 mL/g, ethanol concentration at 60%, extraction temperature of 50 °C and extraction time of 25 min.Maximum extraction yields of hyperin, 2″-O-galloylhyperin and chimaphilin reached 1.205 ± 0.054, 4.961± 0.108 and 0.291± 0.016 mg/g, respectively. urthermore, 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay was used to assess the antioxidant activity of the extracts.HNPCE extract had the best antioxidant activity with IC50 value of 0.144 ± 0.017 mg/mL. The present results showed that HNPCE could be a promising extraction technique used in the extraction of active compounds from plants.

Industrial relevance: In this work we showed a new extraction method, homogenate-assisted negative pressure cavitation extraction. This novel extraction technique also processes the advantages of potential eco-friendly technology, lower energy consumption, easy operation, shorter time and higher efficiency. It is promising for extensive industry applications in the nature product extraction fields. The results may provide valuable data for industrial scale-up applications.


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