1 23 European Food Research and Technology Zeitschrift für Lebensmittel- Untersuchung und -Forschung A ISSN 1438-2377 Volume 238 Number 6 Eur Food Res Technol (2014) 238:937-955 DOI 10.1007/s00217-014-2171-6 Analysis of saponins as bioactive zoochemicals from the marine functional food sea cucumber Bohadschia cousteaui Mohamed Elbandy, Jung Rae Rho & Raffat Afifi