Next Article in Journal
Comparative Evaluation of Different Co-Antioxidants on the Photochemical- and Functional-Stability of Epigallocatechin-3-gallate in Topical Creams Exposed to Simulated Sunlight
Previous Article in Journal
Effects of Spray-Drying and Choice of Solid Carriers on Concentrations of Labrasol® and Transcutol® in Solid Self-Microemulsifying Drug Delivery Systems (SMEDDS)
Article Menu

Article Versions

Export Article

Open AccessArticle
Molecules 2013, 18(1), 561-573; doi:10.3390/molecules18010561

The Sonodegradation of Caffeic Acid under Ultrasound Treatment: Relation to Stability

1
Department of Food Science and Nutrition, School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
2
Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, China
*
Author to whom correspondence should be addressed.
Received: 17 October 2012 / Revised: 16 December 2012 / Accepted: 19 December 2012 / Published: 4 January 2013
Download PDF [315 KB, uploaded 18 June 2014]

Abstract

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.
Keywords: ultrasound; caffeic acid; stability; kinetics; degradation ultrasound; caffeic acid; stability; kinetics; degradation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Sun, Y.; Qiao, L.; Ye, X.; Liu, D.; Zhang, X.; Huang, H. The Sonodegradation of Caffeic Acid under Ultrasound Treatment: Relation to Stability. Molecules 2013, 18, 561-573.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Molecules EISSN 1420-3049 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top