1. Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina GR-45110, Greece, Laboratory of Food Chemistry and Technology, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece, and Department of Biological Applications and Technologies, University of Ioannina, Ioannina GR-45110, Greece