Anti head lice activity of Camellia sinensis (Green tea) aqueous decoction, infusion and microwave assisted crude extracts

Abstract

Pediculosis caused by Pediculus humanus capitis (head lice) is one of the serious health problems worldwide. In the current study, Camellia sinensis crude extracts (infusion, decoction and microwave assisted preparation) were exploited for anti-lice property by using filter paper assay. Four different concentrations such as 5%, 10%, 15% and 20% of the tests and standard showed dose dependent activity when compared with standard drug benzyl benzoate. The results highlighted that although; all extracts possessed activity yet the microwave preparation results were more promising as showed 100% mortality of adult lice at 20% and even did show any sign of emergence of nits even at 12th day. Results conclude that if bioactive is searched for from microwave assisted extract that could be incorporated in shampoo products.