Extraction and NMR Analysis of Oils

Solvents used for extraction of the oils, MeOH and H₂O, were of HPLC grade (Fisher Scientific, Loughborough, UK). The deuterated NMR solvent used, chloroform-d (purity 99.8% D), was acquired from Eurisotop GmbH (Saarbrücken, Germany). Hexamethyldisiloxane (HMDSO; NMR grade, ≥99.5%, Sigma-Aldrich Corporation, St. Louis, MO, USA) was used as a line-shape indicator. NMR tubes (D600-5-7, 5 mm diameter and 7 inches long) with PTFE caps were obtained by Deutero GmbH (Kastellaun, Germany).

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Beteinakis S., Papachristodoulou A., Kolb P., Rösch P., Schwarzinger S., Mikros E, & Halabalaki M. (2023). NMR-Based Metabolite Profiling and the Application of STOCSY toward the Quality and Authentication Assessment of European EVOOs. Molecules, 28(4), 1738.

Publication 2023

chloroform-d NMR tubes (D600-5-7, PTFE caps

Chloroform D600 Hexamethyldisiloxane Hplc Oils Ptfe Solvent

Corresponding Organization : National and Kapodistrian University of Athens

Other organizations : University of Bayreuth

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Variable analysis

independent variables

Solvents used for extraction of the oils (MeOH and H2O)

dependent variables

Not explicitly mentioned

control variables

Solvents used for extraction were of HPLC grade
Deuterated NMR solvent used was chloroform-d (purity 99.8% D)
Hexamethyldisiloxane (HMDSO; NMR grade, ≥99.5%) was used as a line-shape indicator
NMR tubes (D600-5-7, 5 mm diameter and 7 inches long) with PTFE caps were used

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