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Table 1 Physical characteristics and percentage yield of essential oils extracted from three plant species

From: Synergy in the adulticidal efficacy of essential oils for the improvement of permethrin toxicity against Aedes aegypti L. (Diptera: Culicidae)

Family/species

Common name

Voucher specimen

Part used

Physical characteristics

Yield (%)

Color

Density (g/ml)

Cyperaceae

Cyperus rotundus

Nut grass

PARA-CY-001-Rh/3

Rhizome

Pale yellow

0.96

0.15

Zingiberaceae

Alpinia galanga var. galanga

Galanga

PARA-AL-001-Rh/3

Rhizome

Pale yellow

0.89

0.27

Lauraceae

Cinnamomum verum

Ceylon cinnamon

PARA-CI-007-Ba/3

Bark

Pale yellow

1.02

0.54