Novel Mechanisms of Green Tea Anti-Oxidants by Mu-SR, INS and DFT Experiments
A proposal is made to continue ongoing ALC-muSR experiments on the green-tea anti-oxidant EGCG and its analogue. Several overlapping resonances observed on HiFi made it difficult to abstract precise hyperfine coupling constants (hfccs), hence high transverse field muon spin rotation (TF-muSR) measurements were carried out at PSI hinting at additional radicals being formed, whose resonance fields, determined by the hfccs, lie outside the region studied at ISIS. Results were near-identical to the HiFi ones in the matching ranges (~1.4-2.2 T), adding confidence that H-addition is indeed pronounced in EGCG. Experiments on the solvated samples failed to produce good resolution due to time-limitations imposed by relatively low solubilities of EGCG and its analogue. However, solvated spectra is required to make these results biologically-relevant and publishable in a high-impact journal.
- 1110420
- 345 oh3 benzoate h2o
- 5 OH 3 benzoate
- 50mM
- Anti Oxidants
- C22H18O11
- C7H6O5
- Chasse
- D ring
- DFT
- EGCG
- EGCG in EtOH
- EtOH
- Experiments
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- Fianchini
- Green
- HIFI
- INS
- Kargl
- McKenzie
- Mechanisms
- Mu SR
- Novel
- Pettit
- Sampson
- T 300 0
- Tea
- analogue
- slits 7
Provenance | |
---|---|
Creator | Dr Florian Kargl; Dr Iain McKenzie; Dr Gregory Chasse; Mr Joseph Pettit; Dr Christopher Sampson; Dr Mauro Fianchini |
Publisher | ISIS Neutron and Muon Source |
Publication Year | 2014 |
Rights | CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/ |
OpenAccess | true |
Contact | isisdata(at)stfc.ac.uk |
Representation | |
---|---|
Resource Type | Dataset |
Discipline | Photon- and Neutron Geosciences |
Temporal Coverage Begin | 2011-03-20T13:04:11Z |
Temporal Coverage End | 2011-03-23T09:04:36Z |