User profiles for Apostolos Spyros

Apostolos Spyros

Associate Professor of Chemistry, University of Crete
Verified email at uoc.gr
Cited by 2905

Classification of Edible Oils by Employing 31P and 1H NMR Spectroscopy in Combination with Multivariate Statistical Analysis. A Proposal for the Detection of Seed …

G Vigli, A Philippidis, A Spyros… - Journal of Agricultural and …, 2003 - ACS Publications
A combination of 1 H NMR and 31 P NMR spectroscopy and multivariate statistical analysis
was used to classify 192 samples from 13 types of vegetable oils, namely, hazelnut, …

Detection of extra virgin olive oil adulteration with lampante olive oil and refined olive oil using nuclear magnetic resonance spectroscopy and multivariate statistical …

G Fragaki, A Spyros, G Siragakis… - Journal of agricultural …, 2005 - ACS Publications
High-field 31 P NMR (202.2 MHz) spectroscopy was applied to the analysis of 59 samples
from three grades of olive oils, 34 extra virgin olive oils from various regions of Greece, and …

Application of 31P NMR Spectroscopy in Food Analysis. 1. Quantitative Determination of the Mono- and Diglyceride Composition of Olive Oils

A Spyros, P Dais - Journal of Agricultural and Food Chemistry, 2000 - ACS Publications
This paper introduces a facile method to determine the amount of mono- and diglycerides in
virgin olive oils. This method is based on the phosphorylation of the free hydroxyls of the …

Geographical Characterization of Greek Virgin Olive Oils (Cv. Koroneiki) Using 1H and 31P NMR Fingerprinting with Canonical Discriminant Analysis and …

…, S Christophoridou, A Spyros… - Journal of Agricultural …, 2008 - ACS Publications
This work deals with the prediction of the geographical origin of monovarietal virgin olive oil
(cv. Koroneiki) samples from three regions of southern Greece, namely, Peloponnesus, Crete…

[HTML][HTML] NMR-based metabolomics in wine quality control and authentication

M Amargianitaki, A Spyros - Chemical and Biological Technologies in …, 2017 - Springer
A comprehensive summary of research work related to applications of NMR spectroscopy in
combination with multivariate statistical analysis techniques for the analysis, quality control, …

31P NMR spectroscopy in the quality control and authentication of extra‐virgin olive oil: A review of recent progress

P Dais, A Spyros - Magnetic Resonance in Chemistry, 2007 - Wiley Online Library
This review is a brief account on the application of a novel methodology to the quality control
and authentication of extra‐virgin olive oil. This methodology is based on the derivatization …

[BOOK][B] NMR spectroscopy in food analysis

A Spyros, P Dais - 2012 - books.google.com
During the last two decades, the use of NMR spectroscopy for the characterization and
analysis of food materials has flourished, and this trend continues to increase today. Currently, …

Determination of the Diglyceride Content in Greek Virgin Olive Oils and Some Commercial Olive Oils by Employing 31P NMR Spectroscopy

P Fronimaki, A Spyros… - Journal of agricultural …, 2002 - ACS Publications
In this study, the diglyceride contents of 96 samples of virgin olive oils from the regions of
Crete, Lesvos, Messinia, Pilion, Zakynthos, Halkidiki, and Ilia, 15 samples of commercial extra …

13C nuclear magnetic relaxation and local dynamics of synthetic polymers in dilute solution and in the bulk state

P Dais, A Spyros - Progress in Nuclear Magnetic Resonance …, 1995 - Elsevier
2.4 Strategies in describing polymer dynamics by “C magnetic relaxation 3. Theoretical
considerations of dynamic modeling 3.1 Modes of motions of a polymer molecule 3.2 The nature …

Study of aging in oil paintings by 1D and 2D NMR spectroscopy

A Spyros, D Anglos - Analytical chemistry, 2004 - ACS Publications
Nuclear magnetic resonance spectroscopy is proposed as an efficient analytical tool in the
study of painted artworks. The binding medium from two original oil paintings, dated from the …