Document Detail


The Sonodegradation of Caffeic Acid under Ultrasound Treatment: Relation to Stability.
MedLine Citation:
PMID:  23292325     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The degradation of caffeic acid under ultrasound treatment in a model system was investigated. The type of solvent and temperature were important factors in determining the outcome of the degradation reactions. Liquid height, ultrasonic intensity and duty cycle only affected degradation rate, but did not change the nature of the degradation. The degradation rate of caffeic acid decreased with increasing temperature. Degradation kinetics of caffeic acid under ultrasound fitted a zero-order reaction from -5 to 25 °C. Caffeic acid underwent decomposition and oligomerization reactions under ultrasound. The degradation products were tentatively identified by FT-IR and HPLC-UV-ESIMS to include the corresponding decarboxylation products and their dimers.
Authors:
Yujing Sun; Liping Qiao; Xingqian Ye; Donghong Liu; Xianzhong Zhang; Haizhi Huang
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Publication Detail:
Type:  Journal Article     Date:  2013-01-04
Journal Detail:
Title:  Molecules (Basel, Switzerland)     Volume:  18     ISSN:  1420-3049     ISO Abbreviation:  Molecules     Publication Date:  2013  
Date Detail:
Created Date:  2013-01-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100964009     Medline TA:  Molecules     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  561-73     Citation Subset:  IM    
Affiliation:
Department of Food Science and Nutrition, School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China. psu@zju.edu.cn.
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