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Boumba, L.S., Nsonde Ntandou, G.F., Loufoua, A.B., Makambila, M.C. and Abena, A.A. (2018) Toxicité aiguë, effets anti-inflammatoire et analgésique de l’extrait aqueux de Heinsia crinita (Afzel.) G. Taylor (Rubiaceae). Phytothérapie, 16, S8-S16.
https://doi.org/10.3166/phyto-2019-0155

has been cited by the following article:

• TITLE: Antiradical and Sedative Non-Hypnotic Effect of Tikoni Tea Extract from Leaves of Vitex madiensis Oliv. (Lamiaceae) Locally Used in Congolese Villages

  AUTHORS: Gélase Fredy Nsonde Ntandou, Eric Motondo

  KEYWORDS: Vitex madiensis, Tikoni Tea, Aqueous Extract, Antioxidant, Sedative

  JOURNAL NAME: Pharmacology & Pharmacy, Vol.17 No.1, January 30, 2026

  ABSTRACT: The present study aimed to contribute to the valorization of Congolese medicinal drugs and food plants. This study shows that the aqueous extract of Tikoni tea (200 and 400 mg/kg) significantly reduces motor activity and increases the duration of barbiturate-induced sleep in mice compared to diazepam (10 mg/kg). However, diazepam decreased time to sleep onset, whereas the extract increased it. The extract therefore has no hypnotic effect; the increase in latency time could be a stimulating effect. This study also revealed that this tea extract possesses free radical scavenging properties with an IC50 of 8.54 mg/mL, which are thought to be linked to the presence of secondary metabolites in this plant.