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Preferential alkali metal adduct formation by cis geometrical isomers of dicaffeoylquinic acids allows for efficient discrimination from their trans isomers during ultra‐high‐performance liquid chromatography/quadrupole time‐of‐flight mass spectrometry |
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| Authors: | Mpho M Makola Paul A Steenkamp Ian A Dubery Mwadham M Kabanda Ntakadzeni E Madala |
| Institution: | 1. Department of Biochemistry, University of Johannesburg, Auckland Park, South Africa;2. CSIR Biosciences, Natural Products and Agroprocessing Group, Pretoria, South Africa;3. Department of Chemistry, North‐West University (Mafikeng Campus), Mmabatho, South Africa |
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