Some commercial off-the-shelf hand sanitisers in Tshwane are substandard and do not contain the recommended alcohol content.
A University of Pretoria study has looked at the efficacy of hand sanitizers obtained from various sources and locations.
The vast majority of sanitisers analysed did not contain alcohol concentrations as recommended by the World Health Organization.
Fifty different hand sanitizer samples were obtained from shops, restaurants, places of worship, and public institutions.
Analytical Chemist and Senior Entomology lecturer Doctor Abdullahi Yusuf said of particular concern is the inconsistency in the amount of ethanol in these sanitizers which affects efficacy.
“We hope that relevant regulatory agency’s take the steps to put proper monitoring on this,” Yusuf said.
Forty-one commercial off-the-shelf products were analyzed and 27 contained less than 70% alcohol.
“Universities like ours have the technical know-how to make the hand sanitizers that are up to the recommended WHO standard which would be worthwhile to up a partnership between government and private organizations so that standard hand sanitizers can be made as well”.
The research was published in the South African Journal of Science.
-EWN
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