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    Home»Promoted Content»SA’s first Supercritical CO2 Encapsulation Facility to be established at the CSIR

    SA’s first Supercritical CO2 Encapsulation Facility to be established at the CSIR

    Promoted Content By CSIR19 March 2021
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    The CSIR team of researchers responsible for developing a novel encapsulation technology. From left, Lonji Kalombo, Andri Swanepoel and Philip Labuschagne

    The Council for Scientific and Industrial Research (CSIR) has been awarded R25.9-million by the department of science & innovation to establish South Africa’s first pilot-scale Supercritical CO2 Encapsulation Facility (SCEF), which is set to be operational in 2022.

    The facility will address the innovation chasm that exists in the industrialisation of supercritical CO2-based encapsulation technologies, enable local small, medium and micro enterprises and firms to conduct field trials, and assist in investigating the market uptake of their technologies.

    The unique advantage of the Supercritical CO2-based encapsulation technology is that it encapsulates sensitive actives used in animal and human health such as probiotics, proteins and vitamins in an inert environment without exposure to moisture, oxygen and solvents while operating at low temperatures, thereby preserving the activity of the materials. This is key in providing balanced nutrition for human health and livestock, improving feed digestibility, and reducing overall feed requirements, leading to production cost savings.

    The CSIR recently developed and licensed this technology to a local small enterprise for commercialisation of a range of probiotic-containing health supplements

    “Currently, the encapsulation methods that are being used commercially are spray drying or extrusion. However, these processes expose sensitive actives to high temperatures, shear, organic solvents, moisture and oxygen. All these can compromise their stability. Therefore, as an alternative, our team has developed novel encapsulation technologies using the supercritical CO2 process. This is a more efficient process to encapsulate sensitive actives, says principal researcher at the Centre for Nanostructures and Advanced Materials of the CSIR Philip Labuschagne.

    Using this process, the CSIR recently developed and licensed this technology to a local small enterprise for commercialisation of a range of probiotic-containing health supplements. However, a major barrier for full-scale commercialisation is that there are no pilot-scale supercritical CO2 encapsulation facilities in South Africa to produce products at scale.

    Safety system

    In response to this challenge, the CSIR will now establish a pilot-scale Supercritical CO2 Encapsulation Facility that will have a production capacity of up to 100kg per product per hour, producing products for a wide range of applications, which includes personal care to nutraceuticals. In addition, as the end products will be for use in food (nutraceuticals for human and animal use) and personal care products, the Hazard Analysis Critical Control Point safety system will be implemented across the facility.

    According to Xolani Makhoba, deputy director for emerging Research Areas at the department of science & innovation, the funding awarded to the project is guided by the National Nanotechnology Strategy, which aims to contribute to both economic and social development, as well as promote the development of nanostructured materials using Supercritical CO2 Encapsulation technology.

    The establishment of this pilot facility at the CSIR will allow industry access to CSIR scientists for new product development, as well as technology transfer. Furthermore, it will also allow for the de-risking of technologies as it will give the opportunity to industry to evaluate the technology for their actives and market uptake before investing capital for a full-scale commercial facility.

    About the CSIR
    The CSIR, an entity of the ministry of higher education, science & innovation, is one of the leading scientific and technology research, development and implementation organisations in Africa. Constituted by an act of parliament in 1945 as a science council, the CSIR undertakes directed and multidisciplinary research and technological innovation, as well as industrial and scientific development to improve the quality of life of all South Africans.

    For more information, visit www.csir.co.za or follow the CSIR on Twitter, Facebook, Instagram, LinkedIn or YouTube.

    • This promoted content was paid for by the party concerned
    Andri Swanepoel CSIR Lonji Kalombo Philip Labuschagne SCEF Supercritical CO2 Encapsulation Facility Xolani Makhoba
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