Research Article

Antimycobacterial and PknB Inhibitory Activities of Venezuelan Medicinal Plants

Table 2

The activity of plant extracts against DQPknB of M. tuberculosis.

Botanical species (family)Voucher/collection numberPartIC50 (μg/ml)

Byrsonima crassifolia (Malpighiaceae)00485 BMFlower30.4
Protium heptaphyllum (Burseraceae)16278 AFInternal bark (root)37.4
Senna silvestris (Caesalpiniaceae)00507 BMLeaf37.4
Curatella americana (Dilleniaceae)01053 BMYoung leaf39.5
Cochlospermum orinocense (Bixaceae)01473 BMStem55
Eschweilera parvifolia (Lecythidaceae)01441 BMBranch58.8
Vismia guianensis (Clusiaceae)01523 BMLeaf58.8
Waltheria indica (Sterculiaceae)16607 AFWhole plant without root59.1
Vochysia ferruginea (Vochysiaceae)01286 BMStem59.5
Oenocarpus bataua (Arecaceae)01524 BMRoot60.9
Humiria balsamífera (Humiriaceae)00189 BMLeaf64.7
Protium heptaphyllum (Burseraceae)16278 AFBranch66
Hyptis dilatata (Lamiaceae)00507 BMRoot66.6
Uncaria guianensis (Rubiaceae)01525 BMBark71.2
Vismia guianensis (Clusiaceae)01523 BMBark75.2
Eschweilera parvifolia (Lecythidaceae)01441 BMInternal bark (root)76.5
Euterpe precatoria (Arecaceae)01690 BMRoot77.4
Warscewiczia coccinea (Rubiaceae)01316 BMStem79
Protium crassipetalum (Burseraceae)01409 BMBark79.7
Curatella americana (Dilleniaceae)01053 BMFlower81.9
Hyptis dilatata (Lamiaceae)00507 BMLeaf, branch without flower81.9
Xylopia aromatica (Annonaceae)14612 AFYoung leaf93.6
Protium heptaphyllum (Burseraceae)16278 AFLeaf95.7
Croton cuneatus (Euphorbiaceae)01247 BMYoung leaf124.9
Curatella americana (Dilleniaceae)01053 BMBark124.9
Vochysia ferrugínea (Vochysiaceae)01286 BMLeaf130.9
Byrsonima crassifolia (Malpighiaceae)00485 BMInternal bark (root)144
Cochlospermum orinocense (Bixaceae)01473 BMFlower144.2
Curatella americana (Dilleniaceae)01053 BMLeaf146
Cochlospermum orinocense (Bixaceae)01473 BMLeaf156.9
Parkia pendula (Mimosaceae)00414 BMBark158.3
Croton cuneatus (Euphorbiaceae)01250 BMInternal bark (root)161.7
Tapirira guianensis (Anacardiaceae)14733 AFFlower164.4
Jacaranda copaia (Bignoniaceae)22150 AFYoung leaf174.1
Eschweilera parvifolia (Lecythidaceae)01441 BMLeaf183.3
Vismia cayennensis (Clusiaceae)01484 BMLeaf185.8