Tapan Chakravarty, director of the National Environmental Engineering Research Institute (NEERI), who is closely associated with the Go-Vigyan Kendra, said both 'Panchgavya' and 'Kamdhenu Ark' contain volatile fatty acids and have at the same time anti-oxidant properties.

They can help reduce the virulence and multiplication of the viruses such as the one causing swine flu.

'The centre is willing to work in concert with the medical establishment engaged in combating the disease,' said its director Sunil Mansinghka.