Soonwera, Mayura

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Soonwera, Mayura
Alternative Name
Soonwera, M.
Main Affiliation
Email
mayura.so@kmitl.ac.th

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    Item type:Publication,
    Insecticidal activity of Citrus aurantium and Eucalyptus globulus essential oils and their major constituents against nymphs and adults of Pediculus humanus capitis De Geer
    (2023-07-01)
    Soonwera, M.
    ;
    Sittichok, S.
    The results showed that every tested EO and its constituents exhibited a higher pediculocidal activity against nymphs and adults of P. humanus capitis than 25% (w/v) benzyl benzoate did. In particular, 5% 1,8-cineole exhibited the highest insecticidal effects against P. humanus capitis nymphs and adults with 100% mortality rate at 1 min with an LT<inf>50</inf> of 0.2 min and an LC<inf>50</inf> of 0.7%. The other EO formulations provided a mortality rate ranging from 0-96.0% and an LT<inf>50</inf> ranging 0.3-315.9 min against nymphs. Against the adults, the mortality rate ranged from 12.0-96.0% with an LT<inf>50</inf> ranging from 1.2-314.5 min. Our data showed that 1,8-cineole has a great potential to control head lice populations and should be further developed into a safe and effective pediculicide.
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    Item type:Publication,
    Adulticidal effect of combinations between Cymbopogon citratus and Eucalyptus globulus essential oils against Pediculus humanus capitis De Geer
    (2023-07-01)
    Soonwera, M.
    ;
    Sittichok, S.
    The results showed that all head lice adults that were immersed in a combination of 15% C. citratus EO + 15% E. globulus EO, 20% C. citratus EO + 20% E. globulus EO, and 30% C. citratus EO + 30% E. globulus EO for 3 min were destroyed with the highest mortality rate of 100% at 30 min and an LT50 ranging from 1.2 to 1.5 min. However, 0.5% (w/w) permethrin shampoo provided a slightly higher adulticidal activity than all EO formulations in terms of LT50 (0.9 min). According to the LD50 values reported in the literature, C. citratus EO + E. globulus EO can be developed into a safer shampoo for head lice treatment.