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Speaker at Pharmaceutics and Drug Delivery Systems 2021 - Mansureh Ghavamm
University of Kashan, Iran (Islamic Republic of)
Title : Application of Camellia sinensis (L.) Kuntze in traditional medicine and virus control


Green tea is made from the unfermented leaves of Camellia sinensis (L.) Kuntze and is grown in Asia and parts of Africa. This plant is in the form of shrub or tree and has evergreen leaves that reach a height of 2 to 10 meters. Black tea brew is one of the most popular drinks in Iran. The usable part of the green tea plant is its leaves, which are used in traditional medicine for heart disease, jaundice and urinary incontinence (Higashi-Okai et al., 2001) and in modern medicine, it is used to nervous headaches,  treat amoebic and bacterial diarrhea and hepatitis, reduce fat and blood sugar due to its antimicrobial, antioxidant, anti-cancer and antiviral properties (Bastianetto et al., 2006). Catechins and theaflavins are two natural groups of polyphenols found in green tea and black tea, respectively (Leung et al., 2001).

Studies found that Black tea crude extract powder had antiviral properties against HSV-1 (Oliveira et al., 2015 and Cantatore et al., 2013) and influenza virus (Zu et al., 2012) which was caused by theaflavins. Black tea crude extract powder has also been shown to have antiviral properties against HIV-1. Factors influencing include a mixture of theaflavin derivatives (TF1, TF2A, TF2B and TF3) (Yang et al., 2012) and Theaflavin derivatives in black tea and catechin derivatives in green tea (Liu et al., 2005).


Mansureh Ghavam graduated from Isfahan University of Technology in Iran in 2004 with a degree in Natural Resources Engineering. She completed a PhD  in field of medicinal plants at  University of Tehran in 2013. Her doctoral dissertation was in the field of genetics, cytogenetics and phytochemistry of medicinal plants, which was accepted with honors. She has been officially employed by University of Kashan since 2013 and is researching the antioxidant and antimicrobial properties of medicinal plants,  nanotechnology of medicinal plants,  and cultivation and propagation of medicinal  plants. Her first research was accepted entitled "Effects of ecological factors on the antioxidant potential and total phenol content of Scrophularia striata Boiss." in  Scientific Reports  in November 2019. Due to his research skills, he now has a partnership agreement with the University of Cagliari.