Search Results - "Ordoudi, S.A."

Uncovering a challenging case of adulterated commercial saffron by Ordoudi, S.A., Cagliani, L.R., Melidou, D., Tsimidou, M.Z., Consonni, R.

“…The analytical approach presented uncovers the type of adulteration of a commercial product labeled as “saffron”, sold packed in powder form in a major…”
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Ion-pair assisted extraction followed by 1H NMR determination of biogenic amines in food and biological matrices by Chatzimitakos, T., Exarchou, V., Ordoudi, S.A., Fiamegos, Y., Stalikas, C.

“…•The extraction and determination of six biogenic amines (BAs) is presented.•The polar BAs are extracted to an organic solvent using an ion pairing agent.•The…”
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Consideration of fluorescence properties for the direct determination of erythrosine in saffron in the presence of other synthetic dyes by Ordoudi, S.A, Tsimidou, M.Z

“…Direct selective detection of erythrosine in saffron in the presence of other synthetic dyes considers its fluorescence at 532 nm excitation/548 nm emission…”
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Detection of erythrosine in saffron by Ordoudi, S.A, Tsioga, K, Tsimidou, M.Z

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Manual procedure to assess pro-/antioxidant imbalance in human plasma based on the Crocin Bleaching Assay (CBA) by Ordoudi, S.A, Nenadis, N, Tsimidou, M.Z, Sarigianni, M, Paletas, K

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Observations on the applicability of commonly used radical scavenging assays to assessment of antioxidant activity of phenolic antioxidants by Ordoudi, S.A, Tsimidou, M.Z

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A non-invasive, sensor-based approach to exploit the autofluorescence of saffron (Crocus sativus L.) for on-site evaluation of aging by Ordoudi, S.A., Ricci, C., Imparato, G., Chroni, M., Nucara, A., Gerardino, A., Bertani, F.R.

“…So far, compliance with ISO 3632 standard specifications for top-quality saffron guarantees good agricultural and post-harvest production practices. Tracking…”
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Greek PDO saffron authentication studies using species specific molecular markers by Bosmali, I., Ordoudi, S.A., Tsimidou, M.Z., Madesis, P.

“…Saffron, the spice produced from the red stigmas of the flower of Crocus sativus L. is a frequent target of fraud and mislabeling practices that cannot be…”
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Crocin Bleaching Assay (CBA) in Structure−Radical Scavenging Activity Studies of Selected Phenolic Compounds by Ordoudi, Stella A, Tsimidou, Maria Z

“…The applicability of the crocin bleaching assay (CBA) to structure−activity relationship (SAR) studies of a great number (n = 39) of selected phenolic…”
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Kinetics of Individual Crocetin Ester Degradation in Aqueous Extracts of Saffron (Crocus sativus L.) upon Thermal Treatment in the Dark by Sánchez, Ana M, Carmona, Manuel, A. Ordoudi, Stella, Z. Tsimidou, María, Alonso, Gonzalo L

“…Kinetics of individual crocetin ester degradation in aqueous extracts of saffron upon thermal treatment in the dark has been studied. Special attention has…”
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Near-Infrared Spectroscopy in Saffron Quality Control:  Determination of Chemical Composition and Geographical Origin by Zalacain, Amaya, Ordoudi, Stella A, Díaz-Plaza, Eva M, Carmona, Manuel, Blázquez, Inmaculada, Tsimidou, Maria Z, Alonso, Gonzalo L

“…Near-infrared reflectance spectroscopy has been applied for the first time to saffron spice to determine the chemical composition and geographical origin of…”
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Crocin Bleaching Assay Step by Step:  Observations and Suggestions for an Alternative Validated Protocol by Ordoudi, Stella A, Tsimidou, Maria Z

“…Examination of the crocin bleaching assay performance and in-house validation were focused on probe and test compound characteristics, conditions for peroxyl…”
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An on-line high performance liquid chromatography-crocin bleaching assay for detection of antioxidants by Bountagkidou, Olga, van der Klift, Elbert J.C., Tsimidou, Maria Z., Ordoudi, Stella A., van Beek, Teris A.

“…► Off-line crocin bleaching assay (CBA) was converted to HPLC on-line antioxidant assay. ► It is the first simple on-line antioxidant assay to use a reactive…”
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Structure-DPPH Radical Scavenging Activity Relationships: Parallel Study of Catechol and Guaiacol Acid Derivatives by Ordoudi, S.A, Tsimidou, M.Z, Vafiadis, A.P, Bakalbassis, E.G

“…The scavenging behavior of a series of catechol and guaiacol acid derivatives toward DPPH radical was examined having as a starting point the order of activity…”
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Screening method for the detection of artificial colours in saffron using derivative UV-Vis spectrometry after precipitation of crocetin by Zalacain, A, Ordoudi, S A, Blázquez, I, Díaz-Plaza, E M, Carmona, M, Tsimidou, M Z, Alonso, G L

“…A screening method for the detection of artificial colours (naphthol yellow, tartrazine, quinoline yellow, Sunset yellow, Allura red, amaranth, azorubine,…”
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DETECTION OF ARTIFICIAL RED COLORANTS IN SAFFRON USING UV-VIS SPECTROMETRY AND TRISTIMULUS COLORIMETRY by Ordoudi, S.A., Tsimidou, M.Z.

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