TITLE:
Phytochemical Profile and In Vitro Antioxidant Properties of Essential Oils from Powder Fractions of Eucalyptus camaldulensis Leaves
AUTHORS:
Venant Donald Noumi, Richard Marcel Nguimbou, Marthe Valentine Tsague, Markusse Deli, Sandrine Rup-Jacques, Dicko Amadou, Elie Njantou Baudelaire, Selestin Sokeng, Nicolas Yanou Njintang
KEYWORDS:
Eucalyptus camaldulensis, Powder Fraction, Essential Oil, Chemical Composition, Antioxidant Activity
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.12 No.3,
March
29,
2021
ABSTRACT: Dried leaves of Eucalyptus camaldulensis were finely grinded and fractionated by sieving into four granulometric classes (355 μm). The obtained powder fractions were used for
essential oil (EO) extraction by hydrodistillation and their phytochemical
profile and in vitro antioxidant activities were evaluated. The mother powder (unsieved powder) was
used for comparison. Particle size exerted a significant influence (p in vitro antioxidant properties of
the EOs. Comparatively, the mother powder had the highest contents of α-pinene (55.6%), camphene (3.4%) and limonene
(3.7%), while 1,8-cineole (26.6% and 22.4%), exo-fenchol (5.6% and
3.5%), α-campholenol (4.2% and 3.4%),
L-trans-pinocarveol (5.5% and 2.7%), L-borneol (12.6% and 6.8%) and α-terpineol (16.4% and 7.6%) are the
main compounds of EOs from the E. camaldulensis leaves. Finer powders
could be used as functional ingredients in food formulations for the management
of chronic diseases.