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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

UFS study finds initiation does not build character
2015-06-24

Photo: Canva.com

Initiation at schools and school hostels does not build character or loyalty. On the contrary, it is a violation of human dignity and the rights of children.

This is the opinion of researchers from the University of the Free State’s Faculty of Education after an exploratory study of initiation practices in schools.

Although the use of initiation in schools and school hostels is forbidden by the Regulations to Prohibit Initiation Practices in Schools, the study found that this practice is still widely evident in schools. The study also found that, in some cases, teachers and/or principals take part.

In the study, led by Dr Kevin Teise from the Faculty of Education, it was found that physical deeds and even violence and emotional degradation were inflicted under the guise of ‘initiation’.

The study was discussed recently during a panel discussion between the Faculty of Education, the Faculty of Law, and the Institute for Reconciliation and Social Justice.

The ‘initiation activities’ that take place during school hours ranged from carrying senior learners’ bags or doing other favours for them, handing over their food or food money, doing senior learners’ homework, and looking down when they speak to senior learners.

In school hostels, it was found that learners were expected to do humiliating things, and were also subjected to physical demands and even violence. Learners pointed out that they were smeared and beaten, their heads pushed into toilets, they had to bath or shower in cold water, they had to eat strange things, and they were prevented from sleeping.

Dr Teise says initiation practices are a general phenomenon in the schools and school hostels that took part in the investigation. Newcomers were subjected to silly and innocent practices, but also to physically and emotionally degrading, and even dangerous ones, before and after school, and during breaks and sports- and cultural gatherings.

“The study’s findings give every indication that the constitutional principles on which the policy document, Regulations to Prohibit Initiation Practices in Schools, is modelled, are not being put into practice and respected at these schools. Policy documents and school rules are pointless if learners, old pupils, parents, teachers, and the broad community consider initiation an acceptable behaviour that is, ostensibly, an inseparable part of school or hostel tradition and of the maturation and/or team-building processes.”

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