Olga Quasie

Four new steroid saponins with highly oxidized side chains from the leaves of Vernonia amygdalina

Olga Quasie, Yang‐Mei Zhang, Hongjian Zhang et al. · Phytochemistry Letters · 2015 · 61 citations

Life Sciences, Botany, Plant Sciences +9

Polyprenylated Tetraoxygenated Xanthones from the Roots of<i>Hypericum monogynum</i>and Their Neuroprotective Activities

Wen‐Jun Xu, Ruijun Li, Olga Quasie et al. · Journal of Natural Products · 2016 · 50 citations

Pharmacy, Pharmacology, Plant Sciences +12

Limonoids with diverse frameworks from the stem bark of Entandrophragma angolense and their bioactivities

Wen‐Yan Zhang, Faliang An, Miaomiao Zhou et al. · RSC Advances · 2016 · 22 citations

Pharmacy, Botany, Medicinal Chemistry +10

Modulation of penile erection in rabbits by mondia whitei: possible mechanism of action

Olga Quasie, Orleans Martey, Alexander K. Nyarko et al. · African Journal of Traditional Complementary and Alternative Medicines · 2010 · 20 citations · Full text

Medicine, Pharmacology, Urology +10

New triterpenoids, steroids and lignan from the stem barks of Entandrophragma utile

Ya-Lin Hu, Xiao‐Meng Tian, Chengcheng Wang et al. · Fitoterapia · 2020 · 16 citations

Life Sciences, Botany, Plant Sciences +14