Presentation slides from the year 2016 in the subject Chemistry – Organic Chemistry, grade: 1, 0, University of Cologne (Organische Chemie), language: English, abstract: Presentation with the title ’Usage of NMR Spectroscopy in Profiling/ metabonomics’ and the following contents:
– NMR Spectroscopy;
– Spin-spin coupling;
– Why 1H NMR is adequate for the analysis of fruit juices;
– Usage of Amix viewer for Data Analysis;
– Objectives;
– Preparation of phosphate buffer (p H 6 – 7 at 25°C);
– Sample Preparation;
– Main experiment (noesypr) (nuclear Overhauser effect spectroscopy Presaturation);
– Why the Identification of Metabolites;
– Organic acids occuring in Fruit juices;
– Sugars and amino acids occuring in fruit juices;
– Fruit juices;
– Identification of metabolites in the extrakted apple juice;
– Identification of metabolites in the commercial apple juices;
– Investigation of the vitamine C content;
– Mixing of unripe fruits in apple juices;
– Identification of metabolites in the orange juice;
– Identification of metabolites in the multivitamine juice;
– Sugar content in commertial fruit juices;
– Changes in the fruit juice samples after three weeks;
– Investigation of some Coca Cola brands;
– Sugar free Cola (discount brand);
– Summary
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