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Table 4 Summary of phenolics and quinones

From: The potential of anti-malarial compounds derived from African medicinal plants: a review of pharmacological evaluations from 2013 to 2019

Compound subclass

Isolated metabolites

Plasmodial strain (activities)

Plant species (Family), Taxon IDb

Part of the plant studied

Place of harvest (locality, country)

Author, references

Ellagic acid derivative (phenolics)

78

D6 (8.01 µM)

Terminalia brownii (Combretaceae), NCBI:txid1548809

Stem bark

Machakos County, Kenya

Machumi et al. [84]

W2 (8.01 µM)

Phenolic glycosides (phenolics)

79 and 80

 

Gardenia ternifolia (Rubiaceae), NCBI:txid1237590; Crossopteryx febrifuga (Rubiaceae), NCBI:txid170354; and Lantana camara (Verbenaceae), NCBI:txid126435

Stem barks and leaves

Kinshasa, DR Congo

Tshitenge et al. [26]

Anthraquinones (quinones)

81a, 82 to 92

D6 (from 0.47 to 23.25 μM)

Kniphofia foliosa (Asphodelaceae), NCBI:txid214838

Rhizomes

Addis Ababa, Ethiopia

Induli et al. [85]

89

W2 (from 0.35 to 18.42 μM )

93

D6 (7.73 μM)

Kniphofia foliosa (Asphodelaceae), NCBI:txid214838

Roots

Gedo, Ethiopia

Abdissa et al. [86]

W2 (2.22 μM)

89a

D6 (9.40 μM)

Kniphofia foliosa (Asphodelaceae), NCBI:txid214838

Roots

Gedo, Ethiopia

Abdissa et al. [86]

W2 (14.58 μM)

82

3D7 (0.7 μM)

Kniphofia foliosa (Asphodelaceae), NCBI:txid214838

Leaves

Addis Ababa, Ethiopia

Feilcke et al. [89]

90a and 91a

K1 (0.17 and 0.26 μm, respectively)

Bulbine frutescens (Asphodelaceae), NCBI:txid210954

Roots

Chiromo Campus Garden, Kenya

Bringmann et al. [87]

94 to 96

D6 (19.66 to 82.80 μM)

Aloe pulcherrima (Asphodelaceae), NCBI:txid25641

Roots

Saka Chokorsa, Ethiopia

Abdissa et al. [88]

W2 (64.46 to 141.95 μM)

86

3D7 (1.9 μM)

Kniphofia foliosa (Asphodelaceae), NCBI:txid214838

Leaves

Addis Ababa, Ethiopia

Feilcke et al. [89]

97a

NF54 (weak activity)

Diospyros canaliculata (Ebenaceae), NCBI:txid13492

Stem bark

Kribi, Cameroon

Lenta et al. [90]

Anthrones (quinones)

98 to 101

Suppression of parasitaemia from 36.8 to 66.8% at doses of 100 to 400 mg/kg /day

Aloe percrassa (Asphodelaceae), NCBI:txid1593100

Leaf latex

Edagahamus, Ethiopia

Geremedhin et al. [91]

Naphthohydroquinones (quinones)

102a, 103a, 104a, 105a and 106a

D6 (from 19.59 to 36.03 μM)

Pentas bussei (syn: Rhodopentas bussei, Rubiaceae), NCBI:txid387051

Roots

Mombasa, Kenya

Endale et al. [92]

W2 (60.08 to 144.43 μM)

Other quinones

107

W2mef (52.25 μM)

Peperomia vulcanica (Piperaceae), NCBI:txid1719589

Whole plant

Mount Cameroon, Cameroon

Ngemenya et al. [79]

108a

D6 (19.28 μM)

Neoboutonia macrocalyx (Euphorbaceae), NCBI:txid316724

Stem bark

Kibale National Park, Uganda

Namukobe et al. [93]

W2 (14.17 μM)

  1. aCompounds identified for the first time in the cited publications
  2. bIdentification number of the source species, derived from the NCBI Taxonomy database