{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1195"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1195","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΑΝΑΛΥΣΗ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΜΕ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","abstract":"SUBJECT OF THE THESIS IS THE DEVELOPMENT OF A NEW METHOD FOR THE ISOLATION OF PALM OIL CAROTENOIDS WITHOUT ANY DEGRADATION OF THE OIL'S QUALITY. THE PROPOSED METHOD IS BASED ON THE PREPARATIVE LIQUID CHROMATOGRAPHY. THE EFFECT OF THE FEED THROUGHPUT, THE DIAMETER OF THE COLUMN, THE SOLVENT FLOW AS WELL AS THE RECYCLING OF COLLECTED FRACTIONS ARE STUDIED IN ORDER TO GIVE USEFUL HINTS FOR THE SCALE-UP OF THE METHOD. A NEW ANALYTICAL METHOD FOR THE SIMULTANEOUS ANALYTICAL DETERMINATION OF THE CAROTENOIDS AND THE TRIGLYCERIDES OF THE PALM OIL IS ALSO DEVELOPED. IT IS BASED ON THE REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC).","abstract_html":"SUBJECT OF THE THESIS IS THE DEVELOPMENT OF A NEW METHOD FOR THE ISOLATION OF PALM OIL CAROTENOIDS WITHOUT ANY DEGRADATION OF THE OIL'S QUALITY. THE PROPOSED METHOD IS BASED ON THE PREPARATIVE LIQUID CHROMATOGRAPHY. THE EFFECT OF THE FEED THROUGHPUT, THE DIAMETER OF THE COLUMN, THE SOLVENT FLOW AS WELL AS THE RECYCLING OF COLLECTED FRACTIONS ARE STUDIED IN ORDER TO GIVE USEFUL HINTS FOR THE SCALE-UP OF THE METHOD. A NEW ANALYTICAL METHOD FOR THE SIMULTANEOUS ANALYTICAL DETERMINATION OF THE CAROTENOIDS AND THE TRIGLYCERIDES OF THE PALM OIL IS ALSO DEVELOPED. IT IS BASED ON THE REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC).","abstract_has_math":false,"creators":["Δοντάς, Σπύρος"],"institution":"Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-24T02:24:46Z","subjects":["Carotenoids","Natural products","PREPARATIVE CHROMATOGRAPHY","Καροτενοειδή","ΠΑΡΑΣΚΕΥΑΣΤΙΚΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","Φυσικά προϊόντα","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1195"],"render_values":[{"text":"10.12681/eadd/1195","href":"https://doi.org/10.12681/eadd/1195","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1195","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Δοντάς, Σπύρος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Carotenoids","Natural products","PREPARATIVE CHROMATOGRAPHY","Καροτενοειδή","ΠΑΡΑΣΚΕΥΑΣΤΙΚΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","Φυσικά προϊόντα","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1195","http://hdl.handle.net/10442/hedi/1195"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["SUBJECT OF THE THESIS IS THE DEVELOPMENT OF A NEW METHOD FOR THE ISOLATION OF PALM OIL CAROTENOIDS WITHOUT ANY DEGRADATION OF THE OIL'S QUALITY. THE PROPOSED METHOD IS BASED ON THE PREPARATIVE LIQUID CHROMATOGRAPHY. THE EFFECT OF THE FEED THROUGHPUT, THE DIAMETER OF THE COLUMN, THE SOLVENT FLOW AS WELL AS THE RECYCLING OF COLLECTED FRACTIONS ARE STUDIED IN ORDER TO GIVE USEFUL HINTS FOR THE SCALE-UP OF THE METHOD. A NEW ANALYTICAL METHOD FOR THE SIMULTANEOUS ANALYTICAL DETERMINATION OF THE CAROTENOIDS AND THE TRIGLYCERIDES OF THE PALM OIL IS ALSO DEVELOPED. IT IS BASED ON THE REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC).","ΑΝΤΙΚΕΙΜΕΝΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΙΝΑΙ Η ΑΝΑΠΤΥΞΗ ΜΙΑΣ ΝΕΑΣ ΜΕΘΟΔΟΥ ΓΙΑ ΤΗΝ ΑΠΟΜΟΝΩΣΗ ΤΩΝ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΔΙΧΩΣ ΤΗΝ ΠΑΡΑΛΛΗΛΗ ΥΠΟΒΑΘΜΙΣΗ ΤΗΣ ΠΟΙΟΤΗΤΑΣΤΟΥ ΕΛΑΙΟΥ. Η ΠΡΟΤΕΙΝΟΜΕΝΗ ΜΕΘΟΔΟΣ ΒΑΣΙΖΕΤΑΙ ΣΤΗΝ ΠΑΡΑΣΚΕΥΑΣΤΙΚΗ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ. ΜΕΛΕΤΗΘΗΚΕ Η ΕΠΙΔΡΑΣΗ ΤΗΣ ΤΡΟΦΟΔΟΣΙΑΣ ΤΗΣ ΣΤΗΛΗΣ ΤΗΣ ΔΙΑΜΕΤΡΟΥ ΤΗΣ ΣΤΗΛΗΣ, ΤΗΣ ΡΟΗΣ ΤΟΥ ΔΙΑΛΥΤΗ ΕΚΛΟΥΣΗΣ ΚΑΘΩΣ ΚΑΙ Η ΑΝΑΚΥΚΛΩΣΗ ΕΠΙΛΕΓΜΕΝΩΝ ΠΛΑΣΜΑΤΩΝ ΕΚΛΟΥΣΕΩΣ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ, ΜΕ ΣΚΟΠΟ ΝΑ ΣΥΛΛΕΓΟΥΝ ΧΡΗΣΙΜΕΣ ΠΛΗΡΟΦΟΡΙΕΣ ΓΙΑ ΤΗΝ ΚΛΙΜΑΚΩΣΗ ΤΗΣ ΜΕΘΟΔΟΥ. ΑΝΑΠΤΥΧΘΗΚΕ ΕΠΙΣΗΣ ΜΙΑ ΝΕΑ ΑΝΑΛΥΤΙΚΗ ΜΕΘΟΔΟΣ ΤΑΥΤΟΧΡΟΝΟΥ ΠΡΟΣΔΙΟΡΙΣΜΟΥ ΤΩΝ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΚΑΙ ΤΩΝ ΤΡΙΓΛΥΚΕΡΙΔΙΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ. Η ΜΕΘΟΔΟΣ ΒΑΣΙΖΕΤΑΙ ΣΤΗΝ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ ΥΨΗΛΗΣ ΑΠΟΔΟΣΗΣ (HPLC)"]},{"key":"dc:title","label":"Title","values":["ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΑΝΑΛΥΣΗ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΜΕ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","ISOLATION AND ANALYSIS OF THE PALM OIL CAROTENOIDS LIQUID CHROMATOGRAPHY"]}]}],"canonical_facts":{"dc:creator":["Δοντάς, Σπύρος"],"dc:date":["1989"],"dc:description":["SUBJECT OF THE THESIS IS THE DEVELOPMENT OF A NEW METHOD FOR THE ISOLATION OF PALM OIL CAROTENOIDS WITHOUT ANY DEGRADATION OF THE OIL'S QUALITY. THE PROPOSED METHOD IS BASED ON THE PREPARATIVE LIQUID CHROMATOGRAPHY. THE EFFECT OF THE FEED THROUGHPUT, THE DIAMETER OF THE COLUMN, THE SOLVENT FLOW AS WELL AS THE RECYCLING OF COLLECTED FRACTIONS ARE STUDIED IN ORDER TO GIVE USEFUL HINTS FOR THE SCALE-UP OF THE METHOD. A NEW ANALYTICAL METHOD FOR THE SIMULTANEOUS ANALYTICAL DETERMINATION OF THE CAROTENOIDS AND THE TRIGLYCERIDES OF THE PALM OIL IS ALSO DEVELOPED. IT IS BASED ON THE REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC).","ΑΝΤΙΚΕΙΜΕΝΟ ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΙΝΑΙ Η ΑΝΑΠΤΥΞΗ ΜΙΑΣ ΝΕΑΣ ΜΕΘΟΔΟΥ ΓΙΑ ΤΗΝ ΑΠΟΜΟΝΩΣΗ ΤΩΝ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΔΙΧΩΣ ΤΗΝ ΠΑΡΑΛΛΗΛΗ ΥΠΟΒΑΘΜΙΣΗ ΤΗΣ ΠΟΙΟΤΗΤΑΣΤΟΥ ΕΛΑΙΟΥ. Η ΠΡΟΤΕΙΝΟΜΕΝΗ ΜΕΘΟΔΟΣ ΒΑΣΙΖΕΤΑΙ ΣΤΗΝ ΠΑΡΑΣΚΕΥΑΣΤΙΚΗ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ. ΜΕΛΕΤΗΘΗΚΕ Η ΕΠΙΔΡΑΣΗ ΤΗΣ ΤΡΟΦΟΔΟΣΙΑΣ ΤΗΣ ΣΤΗΛΗΣ ΤΗΣ ΔΙΑΜΕΤΡΟΥ ΤΗΣ ΣΤΗΛΗΣ, ΤΗΣ ΡΟΗΣ ΤΟΥ ΔΙΑΛΥΤΗ ΕΚΛΟΥΣΗΣ ΚΑΘΩΣ ΚΑΙ Η ΑΝΑΚΥΚΛΩΣΗ ΕΠΙΛΕΓΜΕΝΩΝ ΠΛΑΣΜΑΤΩΝ ΕΚΛΟΥΣΕΩΣ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ, ΜΕ ΣΚΟΠΟ ΝΑ ΣΥΛΛΕΓΟΥΝ ΧΡΗΣΙΜΕΣ ΠΛΗΡΟΦΟΡΙΕΣ ΓΙΑ ΤΗΝ ΚΛΙΜΑΚΩΣΗ ΤΗΣ ΜΕΘΟΔΟΥ. ΑΝΑΠΤΥΧΘΗΚΕ ΕΠΙΣΗΣ ΜΙΑ ΝΕΑ ΑΝΑΛΥΤΙΚΗ ΜΕΘΟΔΟΣ ΤΑΥΤΟΧΡΟΝΟΥ ΠΡΟΣΔΙΟΡΙΣΜΟΥ ΤΩΝ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΚΑΙ ΤΩΝ ΤΡΙΓΛΥΚΕΡΙΔΙΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ. Η ΜΕΘΟΔΟΣ ΒΑΣΙΖΕΤΑΙ ΣΤΗΝ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ ΥΨΗΛΗΣ ΑΠΟΔΟΣΗΣ (HPLC)"],"dc:identifier":["10.12681/eadd/1195","http://hdl.handle.net/10442/hedi/1195"],"dc:language":["gre"],"dc:publisher":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"],"dc:subject":["Carotenoids","Natural products","PREPARATIVE CHROMATOGRAPHY","Καροτενοειδή","ΠΑΡΑΣΚΕΥΑΣΤΙΚΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","Φυσικά προϊόντα","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"dc:title":["ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΑΝΑΛΥΣΗ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΜΕ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ","ISOLATION AND ANALYSIS OF THE PALM OIL CAROTENOIDS LIQUID CHROMATOGRAPHY"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:46Z"}