Article

Fryganas, C., Drake, C., Ropiak, H. M., Mora Ortiz, M., Smith, L. M. J., Mueller-Harvey, I. and Kowalczyk, R. ORCID: https://orcid.org/0000-0002-3926-6530 (2018) Carbon-13 cross-polarization magic-angle spinning nuclear magnetic resonance (CPMAS NMR) for measuring proanthocyanidin content and procyanidin to prodelphinidin ratio in sainfoin (Onobrychis viciifolia) tissues. Journal of Agricultural and Food Chemistry, 66 (16). pp. 4073-4081. ISSN 0021-8561 doi: https://doi.org/10.1021/acs.jafc.8b01215

Ropiak, H. M., Lachmann, P., Ramsay, A., Green, R. J. and Mueller-Harvey, I. (2017) Identification of structural features of condensed tannins that affect protein aggregation. PLoS ONE, 12 (1). e0170768. ISSN 1932-6203 doi: https://doi.org/10.1371/journal.pone.0170768

Brown, R. H., Mueller-Harvey, I., Zeller, W. E., Reinhardt, L., Stringano, E., Gea, A., Drake, C., Ropiak, H. M., Fryganas, C., Ramsay, A. and Hardcastle, E. E. (2017) Facile purification of milligram to gram quantities of condensed tannins according to mean degree of polymerization and flavan-3-ol subunit composition. Journal of Agricultural and Food Chemistry, 65 (36). pp. 8072-8082. ISSN 0021-8561 doi: https://doi.org/10.1021/acs.jafc.7b03489

Desrues, O., Fryganas, C., Ropiak, H. M., Mueller-Harvey, I., Enemark, H. L. and Thamsborg, S. M. (2016) Impact of chemical structure of flavanol monomers and condensed tannins on in vitro anthelmintic activity against bovine nematodes. Parasitology, 143 (4). pp. 444-454. ISSN 0031-1820 doi: https://doi.org/10.1017/S0031182015001912

Ropiak, H. M., Ramsay, A. and Mueller-Harvey, I. (2016) Condensed tannins in extracts from European medicinal plants and herbal products. Journal of Pharmaceutical and Biomedical Analysis, 121. pp. 225-231. ISSN 0731-7085 doi: https://doi.org/10.1016/j.jpba.2015.12.034

Ropiak, H. M., Desrues, O., Williams, A. R., Ramsay, A., Mueller-Harvey, I. and Thamsborg, S. M. (2016) Structure-activity relationship of condensed tannins and synergism with trans-cinnamaldehyde against Caenorhabditis elegans. Journal of Agricultural and Food Chemistry, 64 (46). pp. 8795-8805. ISSN 1520-5118 doi: https://doi.org/10.1021/acs.jafc.6b03842

Williams, A. R., Ramsay, A., Hansen, T. V. A., Ropiak, H. M., Mejer, H., Nejsum, P., Mueller-Harvey, I. and Thamsborg, S. M. (2015) Anthelmintic activity of trans-cinnamaldehyde and A- and B-type proanthocyanidins derived from cinnamon (Cinnamomum verum). Scientific Reports, 5. 14791. ISSN 2045-2322 doi: https://doi.org/10.1038/srep14791

Quijada, J., Fryganas, C., Ropiak, H. M., Ramsay, A., Mueller-Harvey, I. and Hoste, H. (2015) Anthelmintic activities against Haemonchus contortus or Trichostrongylus colubriformis from small ruminants are influenced by structural features of condensed tannins. Journal of Agricultural and Food Chemistry, 63 (28). pp. 6346-6354. ISSN 0021-8561 doi: https://doi.org/10.1021/acs.jafc.5b00831

Zeller, W. E., Ramsay, A., Ropiak, H. M., Fryganas, C., Mueller-Harvey, I., Brown, R. H., Drake, C. and Grabber, J. H. (2015) 1H–13C HSQC NMR Spectroscopy for Estimating Procyanidin/Prodelphinidin and cis/trans-Flavan-3-ol Ratios of Condensed Tannin Samples: Correlation with Thiolysis. Journal of Agricultural and Food Chemistry, 63 (7). pp. 1967-1973. ISSN 1520-5118 doi: https://doi.org/10.1021/jf504743b

Zeller, W.E., Ramsay, A., Ropiak, H. M., Fryganas, C., Mueller-Harvey, I., Brown, R. H., Drake, C. and Grabber, J. H. (2015) 1H-13C HSQC NMR spectroscopy for estimating procyanidin/prodelphinidin and cis/trans-flavan-3-ol ratios of condensed tannin samples: correlation with thiolysis. Journal of Agricultural and Food Chemistry, 63 (7). pp. 1967-1973. ISSN 0021-8561 doi: https://doi.org/10.1021/jf504743b

Williams, A., Ropiak, H. M., Fryganas, C., Desrues, O., Mueller-Harvey, I. and Thamsborg, S. M. (2014) Assessment of the anthelmintic activity of medicinal plant extracts and purified condensed tannins against free-living and parasitic stages of Oesophagostomum dentatum. Parasites and Vectors, 7 (1). 518. ISSN 1756-3305 doi: https://doi.org/10.1186/s13071-014-0518-2

Conference or Workshop Item

Ropiak, H., Desrues, O., Williams, A., Ramsay, A., Mueller-Harvey, I. and Thamsborg, S. (2015) Effect of condensed tannins on adult nematodes. In: 25th International Conference of the World Association for the Advancement of Veterinary Parasitology, Liverpool.

Thesis

Ropiak, H. M. (2017) Structural features of condensed tannins and their impact on bioactivities. PhD thesis, University of Reading.