ΒΙΟΓΡΑΦΙΚΟ ΣΗΜΕΙΩΜΑ Επίθετο : ΚΕΦΑΛΑΣ Ονομα : Παναγιώτης Τόπος γέννησης : Μυτιλήνη Λέσβου Ημερομηνία γέννησης : 15/12/1960 Διεύθυνση : Σωζοπόλεως 14-16, Αθήνα 10446 Χαλέπας 6Α, Χανιά 73133 Ανωτάτη Εκπαίδευση Πτυχίο του Χημικού Τμήματος του Παν/μίου Αθηνών (Λίαν καλώς, 1983) Certificate of First Year Graduate Study at Brown University, Providence RI, USA (1984) Doctorat en Sciences (Nouvelle Thèse) στην Οργανική συνθετική χημεία από το Παν/μιο Paris XI, FR. (1988) Μεταδιδακτορική πρακτική (Post-Doc), Centre National de la Recherche Scientifique (CNRS), Gif s/ Yvette, FR. (1990 και 1991) Ξένες Γλώσσες Γαλλικά, Αγγλικά : Αριστη γνώση Γερμανικά : Καλή γνώση Στρατιωτική Θητεία : Ιαν. 1989-Ιαν. 1990 Εργασίες και Επαγγελματική Εμπειρία -Σύνθεση, Βιοσύνθεση και Φαρμακολογική δράση του LSD και της Μεσκαλίνης. (Διπλωματική βιβλιογραφική εργασία, Παν/μιο Αθηνών) -Θέση βοηθού (Teaching Assistantship) στο Παν/μιο Brown, Providence RI, USA -Η Διδακτορική διατριβή ολοκληρώθηκε στο Institut de Chimie des Substances Naturelles του CNRS υπό την εποπτεία του Καθηγητού Δρ. Henri-Philippe HUSSON. Ο τίτλος της διατριβής είναι : "Synthèse d'une indolizidine hydroxylée, analogue de la Castanospermine". (Αυτή η οικογένεια προϊόντων έχει μια αξιοσημείωτη δραστικότητα έναντι στις γλυκοσιδάσες. Αυτά τα αλκαλοϊδή μελετώνται επίσης για τη δράση τους κατά του HIV). -Η μεταδιδακτορική πρακτική ολοκληρώθηκε στο εργαστήριο του Δρ. David GRIERSON ( Directeur de Recherche στο CNRS) στη σύνθεση προϊόντων με πιθανή δραστικότητα κατά του HIV. -Επίσημη μετάφραση του εγχειριδίου για το Διεθνές Συμπόσιο στα φαρμακευτικά φυτά της Νέας Καληδονίας, Αυγ.1991 (Γαλλικά σε Αγγλικά, 30 σελίδες) -Φεβ. 1992-Δεκ. 1996 εργάσθηκα στην ΒΙΟΡΥΛ Α.Ε. στην Αθήνα σαν ερευνητής στο τμήμα Ερευνας και Ανάπτυξης: Σύνθεση φερομονών και προϊόντων με εφαρμογές στην αρωματοποιεία και στην βιομηχανία τροφίμων (fragrances, flavours). Σχεδιασμός συνθέσεων και εφαρμογή για πιλοτικές παραγωγές (φερομόνες, φουρονόλη, α,β-ακόρεστες κετόνες). Απομόνωση φυσικών αντιοξειδωτικών από υπολείματα της βιομηχανίας τροφίμων και ποτών στα πλαίσια προγράμματος ΠΑΒΕ της ΓΓΕΤ σαν υπεύθυνος προγράμματος (φλύδες
εσπεριδοειδών μετά την χυμοποίηση και σταφυλιών μετά την οινοποίηση) και πιλοτικές εφαρμογές. -Από τον Δεκ. 1996 εργάζομαι στο Μεσογειακό Αγρονομικό Ινστιτούτο Χανίων (ΜΑΙΧ) του CIHEAM (Centre International de Hautes Etudes Agronomiques Méditerranéenes): Υπεύθυνος εργαστηρίου χημείας φυσικών προϊόντων και αναλυτικής χημείας. Συντονιστής σπουδών του τμήματος ποιότητας τροφίμων και χημείας φυσικών πρϊόντων (Food Quality Management): Απομόνωση, ταυτοποίηση φυσικών προϊόντων. Αντιοξειδωτική δράση, ταυτοποίηση αντιοξειδωτικών, μέθοδοι εκτίμησης αντιοξειδωτικής δράσης και κινητικά μοντέλλα. Προϊόντα συγκεκριμένης (γεωγραφικής, βοτανικής) προέλευσης και χημικό δακτυλικό αποτύπωμα (fingerprinting) μέλι, κρασί, ελαιόλαδο. Χημικές αναλύσεις τροφίμων και εφαρμογή του συστήματος διασφάλισης ποιότητας ΕΝ 45001/ISO 17025 για αναλύσεις στο ελαιόλαδο, τα οπωρολαχανικά, μέλι και νερό. (Ιδιαίτερη έμφαση δίδεται στα υπολείμματα φυτοφαρμάκων) Οργανολογική εμπειρία : NMR, IR, HPLC/DAD/FLD/RI, LC-MS Σεμινάρια : "Isolation of Natural Antioxidants from the Agricultural Industry Waste" Univ. of Barcelona 23-05-1997 A fast chemiluminescence test for screening of antioxidant activity. Assaigs Biologics en Investigacio de Productes Naturals. 22 26 Jan. 2001, Barcelona, Catalonia, Spain. Contribution to the identification of Greek honey. International Honey Commission. Athens meeting, 26 27 Sept. 2001, Athens, Greece. Contribution to the identification of products of specific origin. Greek Chinese workshop on Food, Nutrition and Health. 26 27 Nov. 2001. Athens, Greece. Antioxidant activity: Rusting chemistry, biological lines of defense, antioxidants-structuremechanism, assessment of activity. 18 Dec. 2003. Harokopio University of Athens, Greece. Advanced course on NMR spectroscopy. MSc programme of the Faculty of Pharmacy, Aristotle University of Thessaloniki, Greece. 23-25 Feb. 2004. Mediterranean food products: Health benefits related with antioxidants. I ère Conférence Internationale ; Rencontres dans la Méditerranée: «Alimentation Méditerranéenne : Raisons pour sa défense». Instituto de la Alimentación Mediterránea, Parque Tecnológico de Andalucía, Malaga, Spain, 01/04/2005. P. Kefalas. The role of antioxidants in health protection: mechanisms and sources / Ο ρόλος των αντιοξειδωτικών στην προστασία της υγείας: μηχανισμοί και πηγές. Forum εκπαίδευσης στην γενική ιατρική / Education Forum in General Medicine. 08/11/2005, Chania, Crete, Greece. P. Kefalas. LC-MS (ESI+) Characterisation of flavonoids: Case studies and tips. 29 & 30 Nov. 2005, Gaia Centre (Goulandri Museum), Athens: User meeting on GC-GC/MS & LC- LC/MS. Modern Instrumentation & Applications (Organised by Thermoelectron Corporation and Rigas labs S.A.).
P. Kefalas. Chemiluminescence: A tool for environmental monitoring. 1 st International Summer School on Optoelectronic Monitoring and Risk Assessment (OTEM 2006). 31 July 9 Aug. 2006, Baia Mare, Romania. P. Kefalas. Enzymic polyphenol oxidation: Model systems and wastewater remediation. National Research Foundation, Athens, Greece. 20 February 2007. Π. Κεφάλας, Δ. Π. Μακρής. Exploitation of Olive Industry By-Products for the Recovery of Value-Added Phytochemicals: Polyphenolic Antioxidants from Olive Leaves. Ενεργειακή Αξιοποίηση Υπολειμμάτων Ελιάς. ΤΕΕ - Περιφερειακό Τμήμα Δυτικής Κρήτης, Χανιά, 15 Οκτωβρίου 2008. P. Kefalas. Antioxidant activity: Rusting chemistry, biological lines of defense, antioxidantsstructure-mechanism, assessment of activity. Faculty of Horticultural Sciences, Corvinus University, Budapest, Hungary, 24/04/2009. Ανακοινώσεις σε συνέδρια P. Kefalas, D.S. Grierson, H-P. Husson. A Hetero Diels-Alder approach to the synthesis of (+)-Castanospermine. 5th European Symposium on Carbohydrates, AB(Eng) Aug. 21-25 (1985), Prague (CZ) P.Kefalas, D. Aitken, D.S. Grierson, H-P Husson. Short syntheses of biologically active Castanospermine analogues. 6th European Symposium on Carbohydrate Chemistry, AB B.153(Eng) Sept. 8-13 (1991), Edingburgh (UK) A.H. Siriwardena, P. Kefalas, N. Mathieux, B. Winchester, D.S. Grierson. Novel glycosidase inhibitors: Synthesis and Biological activity. Presented at : i) Societé Française de Chimie, Reims Jan. 1992 ii) Royal Society of Chemistry, Carbohydrate Discussion Groups, Spring Meeting, London (1992) iii) Bürgenstock Meeting. Apr. 1992 iv) XIV International Carbohydrate Symposium, Paris Jul. 1992 v) Marion Merrel Dow Satellite Meeting, 18th IUPAC Int. Symp. Chem. Nat. Prod., Strasbourg Sept. 1992 Y. Vourdoubas, G. Kaliakatsos, G. Kazakis, A. Doulis, P. Kefalas, C. Kotsifaki. Exploitation of processed liquid waste for the irrigation of wood plantations. 6th Symposium of environmental science and technology. Samos (GR) 30 Aug.-2 Sept. 1999. Y. Vourdoubas, G. Kaliakatsos, G. Kazakis, A. Doulis, P. Kefalas, C. Kotsifaki. Irrigation of energy plantations with processed urban liquid waste. 6th National Symposium for mild forms of Energy. Volos (GR) 3-5 Nov. 1999 I. Parejo, C. Codina, C. Petrakis, P. Kefalas. Evaluation of Scavenging Activity Assessed by Co (II)/EDTA-Induced Luminol Chemiluminescence and DPPH Free Radical Assay. 2nd International Symposium for Breeding Research on Medicinal and Aromatic Plants. 11-16th July 2000, Chania, Crete (GR)
J. Vourdoubas, G. Kazakis, A. Doulis, P. Kefalas, J. Kaliakatsos, S. Sideris, Ch. Kotsifaki, A. Neskakis. Creation of Energy Plantations Irrigated by Processed Urban Liquid Wastes and Use of the Produced Biomass for Heat Generation. Altener 2000 Conference, Toulouse, France, 23-25 Oct 2000 (pp. 370-373) Vourdoubas J., Makris D. P., Kefalas P., Kaliakatsos G. Studies on the production of bioethanol from carob (Ceratonia siliqua). 12 th European Conference and Technology Exhibition on Biomass for Energy, Industry and Climate Protection, 17-21 June 2002, Amsterdam, The Netherlands. A. Guri, P. Kefalas, P. V. Petrakis, C. Vagias and V. Roussis. Chemical composition and antioxidant potential of Pine species growing in Greece. 2nd Conference on Medicinal and Aromatic Plants of the South East European Countries. 29 September 3 October 2002, Chalkidiki, Greece. Vourdoubas J., Makris D. P., Kefalas P., Kaliakatsos G., Naxakis G. Studies on the production of bioethanol from carob. 7 th National Conference of the Institute of Solar Technologies: Mild Forms of Energy.6-8 November 2002, Patras, Greece. P. Kefalas, C. Petrakis, A. Arnous, C. Codina, I. Parejo, A. Antonio, P. Gotsiou. Assessement of Antioxidant Activity by Novel Chemiluminescent Techniques: Evaluation of Wine, Honey and Olive Oil. Third Aegean Analytical Chemistry Days. 29th Sept - 3rd October 2002, Polihnitos, Lesbos, Greece. IL-07, page 7. P. Gotsiou, & P. Kefalas. Contribution to the identification of Greek honey. 1st Scientific Symposium of the Greek Scientific Society of Apiculture & Sericulture: ACQUISITIONS AND PERSPECTIVES OF THE APICULTURAL AND SERICULTURAL RESEARCH IN GREECE, 29 November 1 December 2002, Agricultural Univesity of Athens, Athens, Greece. S. Kallithraka, D. Makris, and P. Kefalas. The effect of polyphenolic composition as related to antioxidant capacity in Greek white wines. "Actualités Œnologiques 2003" VIIème Symposium International d'œnologie. Bordeaux 19-21 Juin 2003, France. A. Stamatakis, D. Savvas, N. Papadantonakis, N. Lydakis, P. Kefalas. Effects of silicon and salinity on fruit yield and quality of tomato grown hydroponically. International ISHS Symposium on "Managing Greenhouse Crops in Saline Environment", 9-12 July 2003, Pisa, Italy. (Proc. IS on Greenhouse Salinity, Eds: A. Pardossi et al. Acta Hort 609, ISHS 2003 pp.141-147) A. Atoui, G. Boskou, P. Kefalas. Tea and Herbal infusions: their antioxidant activity and phenolic profile. 3rd International Conference of Instrumental Methods of Analysis (Modern Trends and Applications), OR 31, pp 141-146, 23-27 September 2003, Thessaloniki, Greece. R. Nahas, D. Abatis, R. Stoiculescu, P. Kefalas, C. Vagias, V. Roussis. Antioxidant Activity of Mediterranean Algae. XI International Symposium of Marine Natural Products. Sorrento, Italy, 4 9 September 2004.
A. Calokerinos and P. Kefalas. Chemiluminescence in Olive Oil Analysis. 4th Aegean Analytical Chemistry Days. Kuşadasi Aydin, Turkey, 29 Sept 3 Oct 2004. Antioxidant Activity of Various Extracts and Fractions of the Greek Service Tree Fruits (Sorbus domestica, Rosaceae), (Poster), Termentzi A., Kefalas P., Kokkalou E. 12o Πανελλήνιο Συνέδριο Φαρμακευτικής (Αθήνα), Μάιος 2005. «Έλεγχος αντιοξειδωτικής ικανότητας και ανάλυση LC-DAD-MS (ESI+) του φαινολικού περιεχομένου του φυτού Sideritis syriaca L.», Γεωργιάδης Ν., Αρματά Μ., Τερμεντζή Α., Γαβριέλη Χ., Κεφάλας Π., Κοκκάλου Ε. 20o Πανελλήνιο Συνέδριο Χημείας (Μέτσοβο), Σεπτέμβριος 2005. P. Kefalas, S. Loupasaki, S. Bezzi, E. Psillakis, C. Petrakis, A. Calokerinos. Chemiluminescence in the quality control of olive oil (WL9). Instrumental Methods of Analysis. Modern Trends and Applications. Heraklion, Crete, Greece. 2-6 October 2005. Michalis Anastopoulos, Nikos Lydakis Simantiris, and Panagiotis Kefalas. Analyte Pulse Perturbation Techniques: The Ru(II) catalyzed Belousov Zhabotinskii Reaction and Detection of H 2 O 2 (Poster presentation). Instrumental Methods of Analysis. Modern Trends and Applications. Heraklion, Crete, Greece. 2-6 October 2005. A. Termentzi, P. Kefalas, E. Kokkalou. LC-DAD-MS analysis of the phenolic constituents of various extracts and fractions of Sorbus domestica fruits, in correlation to their antioxidant activity (2-PO115). 4 th Eurasian Meeting on Heterocyclic Chemistry. Thessaloniki, Greece. 27 31 August 2006. P. Kefalas, D. P. Makris. Exploitation of Agri-Food Solid Wastes for Recovery of High Added-Value Compounds: The case of Grape Pomace and Onion Peels. Bulletin of the University of Agricultural Sciences and Veterinary Medicine Cluj Napoca, 62 276-281 (2006). Prospects to a 3 rd Millenium Agriculture. Cluj-Napoca, Romania, 5 7 Oct. 2006. V.S. Chedea, P. Kefalas, M. Trif and C. Socaciu. Stability studies of encapsulated carotenoid extract from orange waste using pullulan as microencapsulation matrice. Nano TechInsight, pp 156-157, Luxor, Egypt, 10-17 March 2007. A. Termentzi, M. Zervou, P. Kefalas, E. Kokkalou. Phytochemical Analysis and Structure Elucidation of the Phenolic Constituents of Various Extracts and Fractions of Sorbus domestica Fruits. 50 Years of the Phytochemical Society of Europe, Highlights in the Evolution of Phytochemistry. Churchill College, Cambridge, UK. 11-14 April 2007. Εφαρμογές της χημειοφωταύγειας στον έλεγχο ποιότητας του ελαιολάδου. S. Loupasaki, S. Bezzi, V. Stepanyan, C. Petrakis, P. Kefalas and A. Calokerinos. 2 ο Πανελλήνιο Συνέδριο ΛΙΠΗ, ΕΛΑΙΑ, ΛΙΠΙΔΙΑ: ΠΑΡΟΝ ΚΑΙ ΜΕΛΛΟΝ. Ελληνικό Φόρουμ Λιπιδίων. Εθνικό Ίδρυμα Ερευνών, Αθήνα, 7-8 Ιουνίου 2007. Ανάκτηση φλαβονολών με αντιοξειδωτική δράση από στερεά απόβλητα κρεμμυδιών χρησιμοποιόντας συστήματα διαλυτών βασισμένα σε νερό/αιθανόλη. Z. Khiari, D. P. Makris, P. Kefalas. 2 ο Πανελλήνιο Συνέδριο ΛΙΠΗ, ΕΛΑΙΑ, ΛΙΠΙΔΙΑ: ΠΑΡΟΝ ΚΑΙ ΜΕΛΛΟΝ. Ελληνικό Φόρουμ Λιπιδίων. Εθνικό Ίδρυμα Ερευνών, Αθήνα, 7-8 Ιουνίου 2007.
T. Ntourou, P. Kalaitzis, P. Kefalas, P. Hatzopoulos. Characterization of genes involved in the tocopherol biosynthetic pathway of olive tree. Proceedings of the 23rd Conference of the Greek Society of the Science of Vegetables, 23-26 October 2007, Chania, Greece, p. 123 ΧΑΡΑΚΤΗΡΙΣΜΟΣ ΤΩΝ ΓΟΝΙΔΙΩΝ ΤΟΥ ΒΙΟΣΥΝΘΕΤΙΚΟΥ ΜΟΝΟΠΑΤΙΟΥ ΤΟΚΟΦΕΡΟΛΩΝ ΣΤΗΝ ΕΛΙΑ. A Detsi, M Majdalani, C.A.Kontogiorgis, D.Hadjipavlou-Litina, P Kefalas. Synthesis and evaluation of the Antioxidant and lipoxygenase inhibitory activities of natural and non-natural Chalcones and Aurones. 4 th International Conference on Oxidative Stress in Skin Medicine and Biology. Andros, Greece, 11-14 September 2008. P. Kefalas. La chimiluminescence dans le contrôle de la qualité de l huile d olive. Troisième Edition des Journées Méditerranéennes de l Olivier. «Enjeux de la Production d Huile d Olive : Variété, Qualité, Label, Appellation d Origine Contrôlée et Marketing». Meknès, Maroc, 27-29 Octobre 2008. Μακρής Δ. Π., Κεφάλας Π. Απομάκρυνση Φαινολικών Ουσιών από Υγρά Απόβλητα Ελαιουργείου με Χρήση Ακατέργαστου Εκχυλίσματος Πολυφαινολοξειδάσης από Υποπροϊόντα Πατάτας. Ημέρες Χημείας Τροφίμων, 13-14 Φεβρουαρίου 2009, Αθήνα. D. P. Makris, P. Kefalas. Removal of phenolics from OMWW using crude PPO extract from potato waste. Food Chemistry Days, 13-14 Feb 2009, Athens. Δημοσιεύσεις P. Kefalas, D.S. Grierson. Synthesis of Pyrrolo-Castanospermine analogs: A novel Fluoride ion induced rearrangement of a 3-Trialkylsilyl substituted Dihydro-2H-1,2-Oxazine to a Pyrrole. Tetrahedron Letters, 34(22) 3555-3558 (1993). P. Kefalas, H-P. Husson, D.S. Grierson. A Hetero Diels-Alder approach to the synthesis of Castanospermine analogs. Preparation of 1-Ethoxy-1,6,8alpha-Triepicastanospermine. Natural Product Letters, 3(4) 313-318 (1994). P. Kefalas, N. Ragoussis. Efficient Synthesis of the Aonidiella aurantii (Mask.) Sex Pheromone Component: (3S, 6RS)-3-Methyl-6-(1-Methylethenyl)-9-decenyl acetate. Synthesis, 644-646, (1995). P. Kefalas, N. Ragoussis. A New Synthesis of alpha,beta-unsaturated ketones. Greek Patent No. 960100416 (6/12/1996). A. Demo, C. Petrakis, P. Kefalas, D. Boskou. Nutrient Antioxidants in some herbs and Mediterranean Plant Leaves. Food Research International, 31, 351-354 (1998). I. Parejo, C. Petrakis, P Kefalas. A Transition Metal enhanced Luminol Chemiluminescence in the Presence of a Chelator. Journal of Pharmacological and Toxicological Methods, 43(3), 183-190 (2000). I. Parejo, C. Codina, C. Petrakis, P. Kefalas. Evaluation of Scavenging Activity assessed by Co(II)/EDTA-Induced Luminol Chemiluminescence and DPPH. Free Radical Assay. Journal of Pharmacological and Toxicological Methods, 44(3), 507-512 (2000).
S. Kallithraka, P. Kefalas, I. Arvanitoyannis, A. El-Zajouli, E. Soufleros, E. Psarra. Instrumental and Sensory Analysis of Greek Wines; Implementation of Principal Component Analysis (PCA) for Classification according to Geographical Origin. Food Chemistry, 73(4), 501-514 (2001). S. Kallithraka, I. Arvanitoyannis, A. El-Zajouli, P. Kefalas. The application of an improved method for trans-resveratrol to determine the origin of Greek red wines. Food Chemistry, 75, 355-363 (2001). A. Arnous, D. P. Makris, P. Kefalas. Effect of principal polyphenolic components in relation to antioxidant characteristics of aged red wines. Journal of Agricultural and Food Chemistry, 49, 5736 5742 (2001). A. Koski, E. Psomiadou, M. Tsimidou, A. Hopia, P. Kefalas, K. Wähälä, M. Heinonen. Oxidative stability and minor constituents of virgin olive oil and cold-pressed rapeseed oil. European Food Research and Technology, 214, 294 298 (2002). E. Psarra, D. P. Makris, S. Kallithraka, P. Kefalas. Evaluation of the antiradical and reducing properties of selected Greek white wines: Correlation with polyphenolic composition. Journal of the Science of Food and Agriculture. 82, 1014-1020 (2002). T. Kourouli, P. Kefalas, N. Ragoussis, V. Ragoussis. A New Protocol for a Regioselective Aldol Condensation Alternative Convenient Synthesis of β-ketols and α,β-unsaturated Ketones. Journal of Organic Chemistry, 67, 4615-4618 (2002). A. Arnous, D. P. Makris, P. Kefalas. Anthocyanin composition and colour characteristics of selected aged wines produced in Greece. Journal of Wine Research, 13(1), 23-24 (2002). G.D. Nanos, I. Kazantzis, P. Kefalas, C. Petrakis and G.G. Stavroulakis. Irrigation and harvest time affect almond kernel quality and composition. Scientia Horticulturae, 96, 249-256 (2002). A. Arnous, D. P. Makris, P. Kefalas. Correlation of pigment and flavanol content with antioxidant properties in selected aged regional wines from Greece. Journal of Food Composition and Analysis, 15, 655-665 (2002). Γ. Βουρδουμπάς, Π. Κεφάλας, Ν. Ζωγραφάκης, Δ. Μακρής. Δυνατότητες παραγωγής αιθανόλης από το χαρούπι και χρήσης σαν καύσιμο οχημάτων. ΓΕΩΡΓΙΑ-Κτηνοτροφία. 3, 26-31 (2003) -- J. Vourdoubas, P. Kefalas, N. Zografakis, D. Makris. Possibilities of ethanol production from carob for use as vehicle fuel. Agriculture-Cattle breeding. 3, 26-31 (2003) Language: Greek. G. Gradinaru, C.G. Biliaderis, S. Kallithraka, P. Kefalas and C. Garcia-Viguera. Thermal stability of Hibiscus sabdariffa L. anthocyanins in solution and in dry state: effect of copigmentation and glass transition. Food Chemistry, 83, 423-436, (2003). P. Kefalas, S. Kallithraka, I. Parejo, D. Makris. A Comparative Study On The In Vitro Antiradical Efficiency And Hydroxyl Free Radical Scavenging Activity In Aged Red Wines. Food Science and Technology International, 9(6), 383-387 (2003).
D. Makris, E. Psarra, S. Kallithraka, P. Kefalas. The effect of polyphenolic composition as related to antioxidant capacity in white wines. Food Research International, 36, 805-814 (2003). A. Arnous, C. Petrakis, D. P. Makris, P. Kefalas. A peroxyoxalate chemiluminescence-based assay for the evaluation of hydrogen peroxide scavenging activity employing 9,10- diphenylanthracene as fluorophore. Journal of Pharmacological and Toxicological Methods, 48(3), 171-177 (2003). I.A. Akl, D. Savvas, N. Papadantonakis, N. Lydakis - Simantiris, P. Kefalas. Influence of ammonium to total nitrogen supply ratio on growth, yield and fruit quality of tomato grown in a closed hydroponic system. European Journal of Horticultural Science, 68, 204-211 (2003). D. P. Makris, S. Kallithraka, P. Kefalas. Polyphenols in Hellenic wines: creating composition tables as a tool for epidemiological studies. Journal of Wine Research, 14(2-3), 103-114 (2003). D. P. Makris and P. Kefalas. Carob Pods (Ceratonia siliqua L.) as a Source of Polyphenolic Antioxidants. Food Technology and Biotechnology, 42(2), 105-108, (2004). Apidologie 35, S38 S81 (2004). Main European unifloral honeys: descriptive sheets1. Livia PERSANO ODDO, Roberto PIRO with the collaboration of: Étienne BRUNEAU, Christine GUYOT-DECLERCK (Belgium); Tzeko IVANOV (Bulgaria); Ji ina PIŠKULOVÁ (Czech Republic); Christian FLAMINI, Joel LHERITIER, Monique MORLOT (France); Harald RUSSMANN, Werner VON DER OHE, Katharine Von der OHE (Germany); Panagiota GOTSIOU, Sophia KARABOURNIOTI, Panagiotis KEFALAS, Maria PASSALOGLOU - KATRALI, Andreas THRASYVOULOU, Angeliki TSIGOURI (Greece); Gian Luigi MARCAZZAN, Maria Lucia PIANA, Maria Gioia PIAZZA, Anna Gloria SABATINI (Italy); Jacob KERKVLIET (Netherlands); Joana GODINHO (Portugal); Antonio BENTABOL, Alberto ORTIZ VALBUENA (Spain), Stefan BOGDANOV, Kaspar RUOFF (Switzerland). A. K. Atoui, A. Mansouri, G. Boskou, P. Kefalas. Tea and herbal infusions: their antioxidant activity and phenolic profile. Food Chemistry, 89(1), 27-36 (2005). R. Guendez, S. Kallithraka, D. P. Makris, P. Kefalas. Determination of Low Molecular Weight Polyphenolic Constituents in Grape (Vitis vinifera sp.) Seed Extracts: Correlation with Antiradical Activity. Food Chemistry, 89(1), 1-9 (2005). A. Mansouri, G. Embarek, E. Kokkalou, P. Kefalas. Phenolic profile and antioxidant activity of the Algerian ripe date palm fruit (Phoenix dactylifera). Food Chemistry, 89, 411 420 (2005). C. Gabrieli, P. Kefalas, E. Kokkalou. Antioxidant activity of flavonoids from Sideritis raeseri. Journal of Ethnopharmacology, 96(3) 423-428 (2005).
D. Atanassova, P. Kefalas, E. Psillakis. Measuring the antioxidant activity of olive-oil mill wastewater using chemiluminescence. Environment International, 31, 275 280 (2005). D. Atanassova, P. Kefalas, C. Petrakis, D. Mantzavinos, N. Kalogerakis, E. Psillakis. Sonochemical reduction of the antioxidant activity of olive mill wastewater. Environment International, 31, 281 287 (2005). V. Stepanyan, A. Arnous, C. Petrakis, P. Kefalas and A. Calokerinos. Chemiluminescent evaluation of peroxide value in olive oil. Talanta, 65(4), 1056-1058 (2005). R. Guendez, S. Kallithraka, D. P. Makris, P. Kefalas. An Analytical Survey of the Polyphenols of Seeds of Varieties of Grape (Vitis vinifera) Cultivated in Greece: Implications for Exploitation as a Source of Value added Phytochemicals. Phytochemical Analysis, 16, 17-23 (2005). S. Kallithraka, A. A. Mohdaly, D. P. Makris, P. Kefalas. Determination of major anthocyanin pigments in Hellenic native grape varieties (Vitis vinifera sp.): association with antiradical activity. Journal of Food Composition and Analysis, 18(5), 375-386 (2005). D. Bassil, D. P. Makris, P. Kefalas. Oxidation of caffeic acid in the presence of L-cysteine: isolation of 2-S-cysteinylcaffeic acid and evaluation of its antioxidant properties. Food Research International, 38, 395 402 (2005). N. Sioumis, S. Kallithraka, E. Tsoutsouras, D. Makris, P. Kefalas. Browning development in white wines: dependence on compositional parameters and impact on antioxidant characteristics European Food Research and Technology, 220, 236-330 (2005). D. Makris, P. Kefalas. A Study on the Correlation between the Ferric Reducing Power and the Antiradical Activity in Aged Red Wines Employing In Vitro Models. Food Science and Technology International, 11(1), 11-18 (2005). M. A. Anagnostopoulou, P. Kefalas, E. Kokkalou, A. N. Assimopoulou, V. P. Papageorgiou. Analysis of antioxidant compounds in sweet orange peel by HPLC-DAD-MS (ESI+). Biomedical Chromatography, 19, 138-148 (2005). A. Mansouri, D. P. Makris, P. Kefalas. Determination of hydrogen peroxide scavenging activity of cinnamic and benzoic acids employing a highly sensitive peroxyoxalate chemiluminescence-based assay: Structure activity relationships. Journal of Pharmaceutical and Biomedical Analysis, 39(1-2), 22-26 (2005). A. Vrondeli, P. Kefalas, E. Kokkalou. A new alkaloid from Narcissus serotinus L. Pharmazie, 60, 559-560 (2005). I. S. Arvanitoyannis, C. Chalhoub, P. Gotsiou, N. Lydakis Simantiris, P. Kefalas. Novel quality control methods in conjunction with chemometrics (Multivariate Analysis) for detecting honey authenticity. Critical Reviews in Food Science and Nutrition, 45, 193-203 (2005).
A. Termentzi, P. Kefalas, E. Kokkalou. Antioxidant Activity of Various Extracts and Fractions of the Greek Service Tree Fruits (Sorbus domestica, Rosaceae). European Journal of Drug and Metabolism in Pharmacokinetics, 30, 48 (2005). M. Turtoi, M. Popa, P. Niculiţă, I. Vătuiu, P. Kefalas. Modified atmosphere packaging of poultry meat in combination with natural antimicrobials (III). Lucrări ştiinţifice, U.Ş.A.M.V.B., Seria F, Vol. X, 116-128 (2005). M. A. Anagnostopoulou, P. Kefalas, V. P. Papageorgiou, A. N. Assimopoulou, D. Boskou. Radical scavenging activity of various extracts and fractions of sweet orange peel (Citrus sinensis). Food Chemistry, 94, 19-25 (2006). N. Sioumis, S. Kallithraka, D. P. Makris, P. Kefalas. Kinetics of browning onset in white wines: influence of principal redox-active polyphenols and impact on the reducing capacity. Food Chemistry, 94, 98-104 (2006). V. G. Dourtoglou, A. Mamalos, D.P. Makris, P. Kefalas. Storage of Olives (Olea europaea L.) under CO 2 Atmosphere: Liquid Chromatography-Mass Spectrometry Characterization of Indices Related to Changes in Polyphenolic Metabolism. Journal of Agricultural and Food Chemistry, 54, 2211-2217 (2006). A. Guri, P. Kefalas, V. Roussis. Antioxidant Potential of Six Pine Species. Phytotherapy Research, 20, 263-266 (2006). A. Termentzi, P. Kefalas, E. Kokkalou. Antioxidant activities of various extracts and fractions of Sorbus domestica fruits at different maturity stages. Food Chemistry, 98(4), 599-608 (2006). D. P. Makris, S. Kallithraka, P. Kefalas. Flavonols in grapes, grape products and wines: Burden, profile and influential parameters. Journal of Food Composition and Analysis, 19, 396 404 (2006). H. Boudries, P. Kefalas, D. Hornero. Carotenoid composition of Algerian date varieties (Phoenix dactylifera) at different edible maturation stages. Food Chemistry, 101, 1372-1377 (2007). A. Gülşen, D. P. Makris, P. Kefalas. Biomimetic oxidation of quercetin: Isolation of a naturally occurring quercetin heterodimer and evaluation of its in vitro antioxidant properties. Food Research International, 40, 7 14 (2007). R. Nahas, D. Abatis, M. A. Anagnostopoulou, P. Kefalas, C. Vagias, V. Roussis. Radicalscavenging activity of Aegean Sea marine algae. Food Chemistry, 102, 577 581 (2007). P. Kefalas. Νέα μέθοδος απομόνωσης ολεοευρωπαΐνης από φύλλα ελιάς/ A novel method for the isolation of oleuropein from the leaves of the olive tree. Greek Patent 1005464 (2007). P. Papadopoulou, O. Tzakou, C. Vagias, P. Kefalas, V. Roussis. β-orcinol Metabolites from the Lichen Hypotrachyna revoluta. Molecules, 12, 997-1005, (2007).
P. Kefalas. Isolation of oleuropein from the leaves of olive tree. European Patent EP1795201 (A1) (2007). A. Gülşen, B. Turan, D. P. Makris, P. Kefalas. Copper(II)-mediated biomimetic oxidation of quercetin: generation of a naturally occurring oxidation product and evaluation of its in vitro antioxidant properties. European Food Research and Technology, 225, 435-441 (2007). B. Turan, A. Gülşen, D. P. Makris, P. Kefalas. Interactions between quercetin and catechin in a model matrix: Effects on the in vitro antioxidant behaviour. Food Research International, 40, 819 826 (2007). L. Chkaiban, R. Bototndi, A. Bellicontro, D. de Santis, P. Kefalas, F. Mencarelli. Influence of postharvest water stress on lipoxygenase and alcohol dehydrogenase activities, and on the composition of some volatile compounds of Gewürztraminer grapes dehydrated under controlled and uncontrolled thermohygrometric conditions. Australian Journal of Grape and Wine Research, 13, 142 149 (2007). M.E. Ghiduruş, M.E. Popa, P. Niculiţă, A. Miteluţ, M. Turtoi, P. Kefalas. The nutritional behaviour of various strawberry varieties at certain cooling chain parameters, Lucrări Ştiinţifice U.Ş.A.M.V.B., Seria F, Vol. XII, 2007, BIOTEHNOLOGII, ISSN 1224-7774, Bucureşti 2007, pg. 69-76. A. Termentzi, P. Kefalas, E. Kokkalou. LC DAD MS (ESI+) analysis of the phenolic content of Sorbus domestica fruits in relation to their maturity stage. Food Chemistry, 106, 1234 1245 (2008). D. P. Makris, G. Boskou, N. K. Andrikopoulos, P. Kefalas. Characterisation of certain major polyphenolic antioxidants in grape (Vitis vinifera cv. Roditis) stems by liquid chromatography-mass spectrometry. European Food Research and Technology, 226, 1075 1079 (2008). E. Karvela, D. P. Makris, P. Kefalas, M. Moutounet. Extraction of phenolics in liquid model matrices containing oak chips: Kinetics, liquid chromatography mass spectroscopy characterisation and association with in vitro antiradical activity. Food Chemistry, 110, 263 272 (2008). A. Benakmoum, S. Abbeddou, A. Ammouche, P. Kefalas, D. Gerasopoulos. Valorisation of low quality edible oil with tomato peel waste. Food Chemistry, 110, 684 690 (2008). A. Osman, D. P. Makris, P. Kefalas. Investigation on biocatalytic properties of a peroxidaseactive homogenate from onion solid wastes: An insight into quercetin oxidation mechanism. Process Biochemistry, 43, 861 867 (2008). Ayman El Agha, Dimitris P. Makris, Panagiotis Kefalas. Hydrocaffeic acid oxidation by a peroxidase homogenate from onion solid wastes. European Food Research and Technology, 227, 1379 1386 (2008). S. Mylonaki, E. Kiassos, D. P. Makris, P. Kefalas. Optimisation of the extraction of olive (Olea europaea) leaf phenolics using water/ethanol-based solvent systems and response surface methodology. Analytical and Bioanalytical Chemistry, 392, 977 985 (2008).
S. Bezzi, S. Loupassaki, C. Petrakis, P. Kefalas, A. Calokerinos. Evaluation of peroxide value of olive oil and antioxidant activity by luminol chemiluminescence. Talanta, 77, 642 646 (2008). A. El Agha, D. P. Makris, P. Kefalas. Peroxidase-Active Cell Free Extract from Onion Solid Wastes: Biocatalytic Properties and Putative Pathway of Ferulic Acid Oxidation. Journal of Bioscience and Bioengineering, 106(3), 279-285 (2008). A. Makris, F. Amari, A. Fettouche, P. Kefalas, S. Kampranis. Antioxidant small molecules confer variable protection from oxidative damage in yeast mutants. Journal of Agricultural and Food Chemistry, 56, 11740 11751 (2008). Z. Khiari, D.P. Makris, P. Kefalas. Recovery of Bioactive Flavonols from Onion Solid Wastes Employing Water/Ethanol-Based Solvent Systems. Food Science and Technology International, 14, 497-502 (2008). S. Galuska, D. P. Makris, P. Kefalas. Browning Development in Wine-Like Liquid Model Matrices: Dependence on Phenolic, Fe(II) and SO 2 Concentrations. Journal of Food Process Engineering, in press (2008). V.S. Chedea, P. Kefalas, C. Socaciu. Patterns of carotenoid pigments extracted from two orange peel wastes (Valencia & Navel var.). Journal of Food Biochemistry, in press (2009). E. Kiassos, S. Mylonaki, D. P. Makris, P. Kefalas. Implementation of response surface methodology to optimise extraction of onion (Allium cepa) solid waste phenolics. Innovative Food Science and Emerging Technologies, 10, 246 252 (2009). A. El Agha, S. Abbeddou, D. P. Makris, P. Kefalas. Biocatalytic properties of a peroxidaseactive cell-free extract from onion solid wastes: caffeic acid oxidation. Biodegradation, 20, 143 153 (2009). Κεφάλαια σε βιβλία P. Kefalas, D. P. Makris. Liquid chromatography-mass spectrometry techniques in flavonoid analysis: Recent advances. Editors: D. Boskou, I. P. Gerothanassis, P. Kefalas: Natural Antioxidant Phenols. Sources, Structure-Activity Relationship, Current Trends in Analysis and Characterisation. Research Signpost, Kerala, India, 2006, pp 69-123. D. Boskou, V. Exarchou, P. Kefalas. Antioxidant phenols in aromatic plants. Editors: D. Boskou, I. P. Gerothanassis, P. Kefalas: Natural Antioxidant Phenols. Sources, Structure- Activity Relationship, Current Trends in Analysis and Characterisation. Research Signpost, Kerala, India, 2006, pp 157-173.