| Issue Date | Title | Author(s) |
| 2011 | Analysis of omega-3 fatty acid content of South African fish oil supplements | Opperman, Maretha ; De Wet, Marais ; Benade, AJ Spinnler |
| 2022 | Anthropometric indices and cut-o points for screening of metabolic syndrome among South African taxi driver | Sekga, Machoene Derrick ; Opperman, Maretha ; Mpahleni, Buhle ; Mchiza, Zandile June-Rose |
| 2022 | Anthropometric indices and cut-off points for screening of metabolic syndrome among South African taxi drivers | Sekgala, Machoene Derrick ; Opperman, Maretha ; Mpahleni, Buhle ; Mchiza, Zandile June-Rose |
| 2020 | Centella asiatica alleviates diabetes-induced changes in fatty acid profile and oxidative damage in rat testis | Oyenihi, Ayodeji B. ; Opperman, Maretha ; Alabi, Toyin Dorcas ; Mpahleni, Buhle ; Masola, Bubuya |
| 26-May-2012 | Disappearance of long chain omega-3 fatty acids from human red blood cells (RBC) in vivo after supplementation with salmon oil | Benade, AJ Spinnler ; Opperman, Maretha ; Marais, CD |
| 2013 | Nutritional contribution of street foods to the diet of people in developing countries: a systematic review | Steyn, NP ; Mchizaa, Z ; Hill, J ; Davids, YD ; Venter, Irma ; Hinrichsen, E ; Opperman, Maretha ; Rumbelow, J ; Jacobs, P |
| 2023 | Nutritional status assessment and intervention with a red palm oil biscuit among pre-school children attending informal crèches, in the Eastern Cape, South Africa | Opperman, Maretha ; Olivier, L. |
| 2023 | Three decades of research on Centella asiatica: insights and future trends from bibliometric analysis | Oyenihi, Ayodeji Babatunde ; George, Toyosi T. ; Oyenihi, Omolola Rebecca ; Obilana, Anthony Olusegun ; Opperman, Maretha |