Browsing Ruhuna International Science and Technology Conference by Subject "Leaf extracts"

Browsing Ruhuna International Science and Technology Conference by Subject "Leaf extracts"

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  • Evaluation of Anti-tyrosinase activity of leaf extracts of Dialium ovoideum thwaites 
    Chathurangani, D.A.U.; Udukala, D.N.; Gunaratna, M.J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2023-01-18)
    Melanin protects human skin from ultraviolet radiation. However, abnormal melanin production leads to pigmentation problems. Since tyrosinase is the key enzyme that catalyzes melanin synthesis in humans, tyrosinase ...
  • Sunscreen activity of Punica granatum (Pomegranate) leaf extract 
    Dissanayake, A.S.; Maduwanthi, W.K.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2023-01-18)
    This study aimed to evaluate in vitro sunscreen activity of methanol and aqueous extracts of Punica granatum leaves and formulate an effective sunscreen lotion. The phytochemical screening revealed that both extracts were ...
  • UV-Blocking activity of Cocosnucifera (coconut) leaf extracts 
    Dissanayake, A.S.; Sathishka, P.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2024-01-24)
    The polyphenols such as flavonoids are a group of phytochemicals with photoprotection properties. Flavonoids accumulate densely in leaves exposed to excess solar radiation than shade leaves. This study aimed to evaluate ...

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