Defence Institute of Advanced Technology (DIAT) designs biodegradable cotton mask using herbal extract

 
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A herbal extract obtained from neem oil, turmeric, tulsi (holy basil), ajwain (carom seeds), black pepper, gum arabic, clove, sandalwood and saffron has been used in the non-woven nano-fibre of this biodegradable mask, named 'pavitrapati', a patented invention.

 

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