Luo Wei, Zhang Ruobing, W. Liming, Chen Jie, Guan Zhicheng, L. Xiaojun, Mo Mengbin
{"title":"Effects of PEF-assisted extraction of anthocyanin in red raspberry","authors":"Luo Wei, Zhang Ruobing, W. Liming, Chen Jie, Guan Zhicheng, L. Xiaojun, Mo Mengbin","doi":"10.1109/CEIDP.2008.4772923","DOIUrl":null,"url":null,"abstract":"Pulsed electric field is a novel non-thermal process technology. It could be applied in the extraction of functional components from plant for its irreversible disintegration on plant cell membrane. PEF treatment caused an irreversible disintegration on the cellular membrane of raspberry cell and the extraction yield of anthocyanins from raspberry was linearly correlated to the treatment pulses of PEF. During the extraction, Cyanidin-3-glucoside, the major anthocyanins in raspberry was found to be significantly degraded by PEF. The degradation effects of Cyanidin-3-glucoside decreased with the increase of the electric field or treatment time. In the spectra curves of Cyanidin-3-glucoside treated by PEF, the intensity of the peak at 333 nm increased as electric field and treatment time increased, while the intensity of the peak at 519 nm and the shoulder at 430 nm decreased, indicating Cyanidin-3-glucoside was degraded into chalcone.","PeriodicalId":6381,"journal":{"name":"2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena","volume":"32 1","pages":"630-632"},"PeriodicalIF":0.0000,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEIDP.2008.4772923","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
Pulsed electric field is a novel non-thermal process technology. It could be applied in the extraction of functional components from plant for its irreversible disintegration on plant cell membrane. PEF treatment caused an irreversible disintegration on the cellular membrane of raspberry cell and the extraction yield of anthocyanins from raspberry was linearly correlated to the treatment pulses of PEF. During the extraction, Cyanidin-3-glucoside, the major anthocyanins in raspberry was found to be significantly degraded by PEF. The degradation effects of Cyanidin-3-glucoside decreased with the increase of the electric field or treatment time. In the spectra curves of Cyanidin-3-glucoside treated by PEF, the intensity of the peak at 333 nm increased as electric field and treatment time increased, while the intensity of the peak at 519 nm and the shoulder at 430 nm decreased, indicating Cyanidin-3-glucoside was degraded into chalcone.
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