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International Journal of Phytomedicine and Phytotherapy

Table 1 Summary of studies on herbal-antimalarial drugs interactions using P. berghei model

From: Antimalarial herbal drugs: a review of their interactions with conventional antimalarial drugs

S/no

Medicinal plant

Conventional antimalarial drug

Interaction effect

Reference

1

Methanol leaf extract of VA (125 mg/kg)

ART (2.86 and 35.14 mg/kg

High dose of ART antagonized VA

[25]

2

Gynostemma pentaphyllum and Moringa oleifera (500, 1000 and 2000 mg/kg)

ART (6 mg/kg)

Greater antimalarial activity was recorded.

[10]

3

Kaempferol (20 mg/kg)

CQ (10 mg/kg)

↓ in parasitemia

[5]

4

Aqueous root extract of Cryptolepis sanguinolenta (36 mg/kg)

ART (2.5 mg/kg)

Extract ↓effectiveness of ART.

[13]

5

Hydroalcoholic fruit extract of Balanites aegyptiaca and leaf latex of Aloe camperi

CQ (12.5 mg/kg)

↑ in parasitemia suppression ability of CQ

[23]

6

Aqueous fresh leaf extract of A. indica (100, 500, and 1000 mg/kg)

ART (6, 15, and 20 mg/kg)

A significant reduction in parasitemia

[26]

7

Methanol extracts of 15 Kenya medicinal plants, from 11 families

CQ (Dose not specified)

Improved suppressions of parasitemia

[27]

8

Hot water extract of 18 Kenya medicinal plants

CQ (Dose not specified)

Improved suppressions of parasitemia

[28]

9

Aqueous extracts of Morinda morindiodes (Mm) root, Morinda (Ml) lucida leaf and VA leaf

ART (10 mg/kg)

Mm and Ml extract ↓effectiveness of ART, but ART ↑effectiveness of VA

[29]

10

216 extracts from 50 Western Ghats plants

CQ (Dose not specified)

Moderate to high in vivo antimalarial activity

[30]

11

Carica papaya leaf (50 mg/kg)

ART (15 mg/kg)

Antagonism

[31]

  1. Vernonia amygdalina (VA); Artesunate (ART); Plasmodium berghei (P.berghei); Chloroquine (CQ).↓ (Decreased activity), ↑ (Increased activity)