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05 November 2025 | Story Martinette Brits | Photo Supplied
Opus Cactus
Prof Maryna Boshoff from the Department of Sustainable Food Systems and Development, Lerato Mamabolo (UFS graduate, now employed at OPUS Cactus), and Sotirios Pilafidis, Head of Research and Development at OPUS Cactus, at the XI International Congress on Cacti as Food, Fodder and Other Uses, hosted by the FAO-ICARDA CactusNet in Tenerife, Canary Islands.

The University of the Free State (UFS) has formalised a collaboration with OPUS Cactus, a pioneering biotech company focused on sustainable cactus-based farming and biorefineries in semi-arid regions. This partnership builds on OPUS Cactus’ expansion at the historic Waterkloof Research Station near Bloemfontein and combines the UFS’ academic expertise with industry innovation to promote climate-smart agriculture and economic development.

OPUS Cactus, led by Joeri van den Bovenkamp-Hofman, CEO, and Sotirios Pilafidis, Head of Research and Development (R&D), specialises in transforming marginal, non-arable land into productive, resource-efficient ecosystems by cultivating the drought-tolerant Opuntia cactus. This versatile biomass supports renewable bioenergy, animal feed, food production, fermentation feedstock, and sustainable biomaterials, while contributing to carbon capture and climate mitigation efforts.

“Our mission is to unlock the full potential of Opuntia biomass for sustainable bioenergy, food, and biomaterials, advancing regenerative agriculture and climate action,” says Van den Bovenkamp-Hofman. OPUS Cactus operates dual hubs: its headquarters and R&D lab in Groningen, the Netherlands, and the flagship 1 000-hectare Waterkloof Research Centre in the Free State. The Waterkloof facility serves as a commercial farm, research platform, and demonstration site for regenerative farming techniques.

The UFS collaboration involves multiple departments, including Sustainable Food Systems and Development, Soil, Crop and Climate Sciences, and Microbiology and Biochemistry. Profs Maryna Boshoff and Carlien Pohl-Albertyn, alongside Dr Gesine Coetzer, provide academic leadership in the partnership.

Prof Boshoff explains, “This industry-academia collaboration aims to develop innovative projects utilising cactus-based products. It builds on decades of cactus research at the UFS, enabling the translation of scientific knowledge into real-world impact through scale-up and commercialisation.”

 

Bridging academic research and commercial innovation to promote climate-smart agriculture

At the core of the partnership is the Waterkloof Research Centre, home to 42 spineless Burbank cactus pear cultivars. The facility acts as a ‘living laboratory’, integrating empirical research with commercial-scale farming. “Waterkloof now offers students and researchers access to operational infrastructure that cannot be replicated in conventional academic settings,” says Prof Boshoff.

Continuing projects at Waterkloof include biogas production through an anaerobic digester, regenerative agriculture practices such as cover cropping and reduced tillage, advanced plant biotechnology to breed superior cultivars, fermentation research for alternative proteins, and the development of novel fermented foods and sustainable biomaterials.

The collaboration also plays a critical role in conserving Opuntia genetic diversity and evaluating cultivars across South Africa’s varied agro-ecological zones. “Research done by UFS and ARC scientists on cultivar selection and cultivation is applied and scaled up through OPUS Cactus’ commercial operations,” Prof Boshoff adds.

This partnership provides valuable hands-on experience and career pathways for postgraduate students and young researchers. “We offer internships and employment opportunities, with several recent UFS graduates already joining our R&D team,” says Pilafidis. “We actively seek motivated graduates passionate about sustainable agriculture and bioengineering.”

By converting semi-arid landscapes into productive, carbon-sequestering ecosystems, the UFS-OPUS Cactus collaboration exemplifies how scientific innovation, entrepreneurship, and environmental stewardship can drive climate resilience, food security, and sustainable economic growth.

“OPUS Cactus is a win for the environment, communities, and business alike,” concludes Van den Bovenkamp-Hofman.

News Archive

Researcher in Otorhinolaryngology advocates education in deafness and hearing loss
2015-12-17

Description: Dr Magteld Smith  Tags: Dr Magteld Smith

Dr Magteld Smith

The annual International Day of Persons with Disabilities falls on 3 December. Statistics reveal that 7.5% of the South African population suffer from some form of physical disability.

More than 17 million people in South Africa are dealing with depression, substance abuse, anxiety, bipolar disorder, and schizophrenia - illnesses that round out the top five mental health diagnoses, according to the Mental Health Federation of South Africa. The South African Federation for Mental Health is the umbrella body for 17 mental health societies and numerous member organisations throughout the country.

On disability, world-renowned author Helen Keller, who was both deaf and blind, once said that the problems that come with being deaf are deeper and more complex than those of blindness, and is a much worse misfortune. For it means the loss of the most vital stimulus - the sound of the voice that brings language, sets thoughts astir, and keeps us in the intellectual company of man.

According to Dr Magteld Smith, lecturer and researcher in the Department of Otorhinolaryngology at the University of the Free State (UFS), hearing loss of any degree at any age can have far-reaching psychological and sociological implications which affect an individual’s day-to-day functioning, and might prevent him or her from reaching their full potential. She says that even though advancements have been made in aiding deaf persons, there’s still considerable room for improvement. She’s making it her mission to bring about changing the stigmatisation around deafness, and the different choices of rehabilitation.

Dr Smith was born with bilateral (both ears) severe hearing loss, and became profoundly deaf, receiving a cochlear implant in 2008. Not letting this hinder her quality of life, she matriculated in 1985 at a School for the Deaf in Worcester. Today she is the only deaf medical-social researcher in South Africa.

Her research focuses on all aspects of deafness and hearing loss. Through first-hand experience, she knows that a loss of hearing can be traumatic as it requires adjustments in many areas of life which affect a person’s entire development. However, she has not let her deafness become a stumbling block. She has become the first deaf South African to obtain two Master’s degrees and a PhD, together with various other achievements.

Her work is aimed at informing and educating people in the medical profession, parents with children, and persons with various degrees and types of hearing loss about the complexities of deafness and hearing loss. She believes that, with the technological advancements that have been made in the world, deaf people can become self-sufficient and independent world changers with much to contribute to humanity.

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