Review Article

Traditional Medicinal Plants as a Source of Antituberculosis Drugs: A System Review

Table 2

Medicinal plants and their crude extracts showing in vitro anti-TB activity.

Plant speciesPlant familyPart usedExtractsReferences

Acacia catechuLiliaceaeRootHexane extracts with inhibition of mycobacterial (standard and clinical) growth[179]
Acacia senegalFabaceaeRootAqueous extraction has potential antimycobacterial activity[180]
Acalypha indicaEuphorbiaceaeLeafAqueous extracts with inhibition of 95% at 4 percent concentration in L-J medium for sensitive M. tuberculosis H37Rv[181]
Achyrocline alataAsteraceaeLeaf, stemAqueous extracts against M. tuberculosis H37Rv strain (ATCC 27294) with MICa of 62.5 μg/ml[182]
Acorus calamusAcoraceaeRootAqueous extracts against M. bovis BCG by OD units[183]
Adhatoda vasicaAcanthaceaeLeafMethanol extracts with the oils inhibiting the growth of MTB B19-4 at 2 μg/ml[180]
Allium sativumLiliaceaeLeafAqueous extract was found to be 63% at 4 percent concentration in L-J medium for sensitive M. tuberculosis H37Rv[181]
Aloe veraXanthorrhoeaceaeLeafAqueous extract was found to be 41% at 4 percent concentration in L-J medium for sensitive M. tuberculosis H37Rv[181, 184]
Alstonia scholarisApocynaceaeLeafMethanol extracts have potential antimycobacterial activity and the synergistic group consisting of rifampicin in murine model[185]
Amborella trichopodaAmborellaceaeFruitMethanol extracts against M. bovis BCG (strain 11-73 P2) with MIC of 2.5 μg/ml[186]
Ambrosia ambrosioidesAsteraceaeAerial partsMethanolic extracts against M. tuberculosis H37Rv with MIC of 790 μg/ml[187]
Ambrosia confertifloraAsteraceaeAerial partsMethanol, chloroform, dichloromethane, and ethyl acetate extracts against M. tuberculosis H37Rv with MIC of 200, 90, 120, and 160 μg/ml, respectively[187]
Amphipterygium simplicifoliumJulianaceaeLeafDichloromethane-methanol extracts (1.1) inhibit the M. tuberculosis H37Rv at 50 μg/ml with [188]
Andrographis paniculataAcanthaceaeAerial partsHexane and methanol (1 : 5) extracts with maximum antimycobacterial activity at 250 μg/ml against all the tested strains of M. tuberculosis (H37Rv, MDR, and drug sensitive)[189]
Andrographis paniculataAcanthaceaeLeafEthanol extracts with inhibition of mycobacterial (standard and clinical) growth[7, 190]
Angiopteris evectaMarattiaceaeLeaf80% methanol extract against M. tuberculosis H37Rv ATCC 25618 with an MIC of 400 μg/ml[191]
Apodytes dimidiataIcacinaceaeLeafHexane extractions against the field strain of MDR-TB and against the M. tuberculosis H37Rv with MIC of 0.47 and 0.31 mg/ml, respectively[192]
Artemisia ludovicianaAsteraceaeBark, leafHexane extracts against MDR-TB clinical isolates with MIC of 25-100 μg/ml[58, 193]
Artemisia nilagiricaAsteraceaeLeafEthanol extracts against M. smegmatis with IC50c of 300 μg/ml[194]
Beilschmiedia obscuraLauraceaeRootEthyl acetate extracts against M. tuberculosis H37Rv with MIC of 31.25 μg/ml by MABAb[195]
Bidens odorataAsteraceaeAerial partsHexane, dichloromethane, ethyl acetate, and ethanolic extracts against M. tuberculosis H37Rv (ATCC 27294) with MIC of 100, 12.5, 12.5, and 12.5 μg/ml[196]
Bridelia micranthaEuphorbiaceaeBarkAcetone extracts against M. tuberculosis H37Ra with MIC of 25 μg/ml[197]
Calluna vulgarisEricaceaeAerial partsEthyl acetate extracts with 97% inhibition at 100 μg/ml against M. tuberculosis H37Rv (ATCC 27294)[198]
Calophyllum brasilienseClusiaceaeLeafDichloromethane-methanol extracts (1.1) inhibit the M. tuberculosis H37Rv at 50 μg/ml with [188]
Capparis zeylanicaCapparidaceaeLeafEthyl acetate extracts against M. tuberculosis H37Rv with the 32 mm minimum zone of inhibition[199, 200]
Carya illinoensisJuglandaceaeBarkHexane extracts against M. tuberculosis H37Rv with MIC of 31 μg/ml[193]
Cassia sopheraCaesalpiniaceaeSeedMethanol extracts against M. smegmatis with MIC of 125 μg/ml[201]
Chenopodium ambrosioidesAmaranthaceaeLeaf80% ethanol crude extracts against M. tuberculosis H37Ra (ATCC 25177™) with MIC of 5000 μg/ml[184]
Chrysactinia mexicanaAsteraceaeRootEthyl ether extract against a drug-resistant strain of M. tuberculosis CIBIN/UMF15:99 with MIC of 62.5 μg/ml[202]
Citrullus colocynthisCucurbitaceaeLeafChloroform extracts against M. tuberculosis H37Rv with MIC of 2.5 mg/ml by MABA[203]
Citrus sinensisRutaceaeFruit peelHexane extracts against two drug-resistant strains of M. tuberculosis with MIC of 25 and 50 μg/ml[204]
Cladonia arbusculaCladoniaceaeRootHexane and ethyl acetate extracts with 96% and 99% inhibition at 100 μg/ml against M. tuberculosis H37Rv (ATCC 27294), respectively[198]
Cocculus hirsutusMenispermaceaeLeafEthanol extracts against M. tuberculosis H37Rv (ATCC 27294) with MIC of 500 μg/ml[196]
Codiaeum peltatumEuphorbiaceaeStemMethanol extracts against M. bovis BCG (strain 11-73 P2) with MIC of 100 μg/ml[186]
Combretum aculeatumCombretaceaeAerial partAqueous extracts inhibiting M. marinum with MIC of 0.2 mg/ml[205]
Costus speciosusZingiberaceaeStem, flowerHexane partition from methanol extracts against M. tuberculosis H37Rv with MIC of 100 μg/ml[206]
Cremaspora trifloraRubiaceaeLeafAcetone extracts decreased 16-fold of MIC in combination with fifampicin against M. aurum and reduction of the MICs of the anti-TB drug ranged from 2-fold to 4-fold, 2-fold to 64-fold, and 2-fold to 64-fold for M. smegmatis, M. aurium, and M. tuberculosis, respectively[207]
Croton sylvaticusEuphorbiaceaeLeaf, root, stem barkDecoction, not known[208]
Curcuma caesiaZingiberaceaeRhizomeEthanol extract against M. tuberculosis H37Rv (ATCC 27294) with MIC of 31.25 μg/ml[196]
Cymbopogon citratusPoaceaeStem, rhizomeHexane partition from methanol extracts of 200 μg/ml against M. tuberculosis H37Rv[206]
Cyperus rotundusCyperaceaeRootEthanol extracts against M. tuberculosis H37Rv (ATCC 27294) with MIC of 62.5 μg/ml[209]
Davilla ellipticaDilleniaceaeLeafChloroform extracts showed a promising antimycobacterial activity with a MIC of 62.5 μg/ml by MABA[209]
Dissotis rotundifoliaMelastomataceaeLeaf80% ethanol crude extracts against M. tuberculosis H37Ra (ATCC 25177™) with MIC of 5000 μg/ml[184]
Dryopteris stewartiiDryopteridaceaeWhole plantDecoction, not known[203]
Echinops giganteusAsteraceaeRootMethanol extracts against M. tuberculosis H37Ra and H37Rv with MIC of 32 and 16 μg/ml, respectively[210]
Empetrum nigrumEmpetraceaeRootHexane extracts with 95% inhibition at 100 μg/ml against M. tuberculosis H37Rv (ATCC 27294)[198]
Erythrina abyssinicaFabaceaeRoot barkMethanol extracts showed the highest activity on M. tuberculosis H37Rv (MIC 390 μg/ml)[211]
Eulophia nudaOrchidaceaeTubersEthanol extracts against M. tuberculosis H37Rv (ATCC 27294) with MIC of 500 μg/ml[196]
Euphorbia albomarginataEuphorbiaceaeShootsExtracts by n-hexane, dichloromethane, ethyl acetate, and methanol individually against M. tuberculosis H37Rv with MIC of 250-1000 μg/ml[212]
Euphorbia hirtaEuphorbiaceaeLeafEthyl acetate extracts showed better activity with maximum of 64.73% reduction in relative light units against M. tuberculosis H37R[213]
Evodia elleryanaRutaceaeBarkEthyl acetate extracts with 95% inhibition of M. tuberculosis H37Ra grown in vitro (ATCC 25177) at 50 μg/ml[214]
Ficus surMoraceaeRoot80% ethanol against M. tuberculosis H37Ra (ATCC 25177) with MICof 0.78 mg/ml[215]
Ficus citrifoliaMoraceaeLeaf95% ethanol extracts against M. tuberculosis H37Rv (ATCC 27294) with 91% inhibition at 100 μg/ml[216]
Flourensia cernuaAsteraceaeLeafHexane extracts against sensitive and resistant strains, respectively, with MIC of 25-50 μg/ml[217]
Foeniculum vulgareUmbelliferaeAerial partsHexane extracts against M. tuberculosis H37Rv with MIC of 100 μg/ml[204]
Globularia alypumGlobulariaceaeLeafPetroleum ether extracts against M. tuberculosis H37Rv with IC50 of 77 μg/ml[218]
Glycyrrhiza glabraFabaceaeRootEthanol extracts against M. tuberculosis H37Rv (ATCC 27294) with MIC of 250 μg/ml[219]
Guaiacum coulteriZygophyllaceaeFlowerMethanol extracts against M. tuberculosis H37Rv with MIC of 1000 μg/ml[188]
Guiera senegalensisCombretaceaeAerial partsAqueous extracts inhibiting M. marinum with MIC of 200 μg/ml[205]
Gymnosperma glutinosumAsteraceaeLeafHexane extracts against M. tuberculosis H37Ra and H37Rv both at 31.2 μg/ml[220]
Helianthus annuusAsteraceaeStemExtracts by n-hexane, dichloromethane, ethyl acetate, and methanol individually against M. tuberculosis H37Rv with MIC of 250-500 μg/ml[212]
Heracleum maximumApiaceaeRootAqueous extracts against M. bovis BCG by OD units[183]
Heteromorpha trifoliataApiaceaeLeafEthanol extracts against M. tuberculosis H37Rv with MIC of 80 μg/ml[221]
Hygrophila auriculataAcanthaceaeRoot, leafAcetone extract against M. tuberculosis H37Rv by y the disc diffusion method[222]
Juglans mollisJuglandaceaeBarkHexane extracts against M. tuberculosis H37Rv with MIC of 50 μg/ml[193]
Juglans regiaJuglandaceaeBark, leafHexane extracts against M. tuberculosis strain H37Rv with MIC of 100 μg/ml[193, 194]
Justicia adhatodaAcanthaceaeLeafEthanolic extract against M. tuberculosis H37Rv by y the disc diffusion method[223]
Khaya senegalensisMeliaceaeBark, leafEthanolic extracts against M. tuberculosis H37Ra with MIC of 6.25 μg/ml[224]
Lantana camaraVerbenaceaeLeafMethanol extracts against M. tuberculosis H37Rv with MIC of 20 μg/ml[17]
Lantana hispidaVerbenaceaeLeafHexane extracts against drug-resistant clinical isolates of M. tuberculosis with MIC of 100-200 μg/ml[193, 194]
Laurelia novae-zelandiaeMonimiaceaeLeaf, flowerAqueous extract against M. smegmatis with IC50 of 0.02 mg/ml[225]
Leucophyllum frutescensScrophulariaceaeRoot, leafMethanol extracts against a drug-resistant strain of M. tuberculosis CIBIN/UMF15:99 with MIC of 62.5 μg/ml[202]
Maerua edulisCapparaceaeRootHexane extracts against M. bovis BCG, M. tuberculosis H37Ra with MIC 31.2–62.5 μg/ml[226]
Mallotus philippensisEuphorbiaceaeLeaf, fruitEthanolic extracts of fruit and leaves against M. tuberculosis H37Rv (ATCC 27294) both with MIC of 250 μg/ml[227]
Metrosideros excelsaMyrtaceaeLeafMethanol extracts against M. smegmatis with IC50 of 0.11 mg/ml[226]
Millettia stuhlmanniiFabaceaeLeafAcetone extracts against M. smegmatis with MIC of 0.13 mg/ml[228]
Morinda citrifoliaRubiaceaeLeafAqueous extract has an inhibition rate of 89% against M. tuberculosis H37Rv[180]
Mucuna imbricataFabaceaeSeedMethanol extracts have potential antimycobacterial activity and the synergistic group consisting of rifampicin in murine model[185]
Murraya koenigiiRutaceaeLeafEthanol extracts against M. smegmatis with IC50 of 300 μg/ml[194]
Musa acuminataMusaceaeStemMethanol extracts against drug-resistant variants of M. tuberculosis with MIC of 200 μg/ml[204]
Myoporum crassifoliumScrophulariaceaeWoodHydrodistillation with essential oils against M. bovis BCG (strain 11-73 P2) with MIC of 50 μg/ml[186]
Myrica galeMyricaceaeRoot, stemEthyl acetate extracts with 96% inhibition at 100 μg/ml against M. tuberculosis H37Rv (ATCC 27294)[198]
Myristica fatuaMyricaceaeAlmondDichloromethane soluble extracts against M. bovis BCG (strain 11-73 P2) with MIC of 50 μg/ml[186]
Nasturtium officinaleCruciferaeAerial partsChloroform extracts against two drug-resistant strains of M. tuberculosis with MIC of 50-100 μM[204]
Olea europaeaOleaceaeLeafHexane extracts against the drug-resistant variants of M. tuberculosis with MIC of 25-100 μM[204]
Otostegia integrifoliaLamiaceaeRootChloroform extract of roots was the most active on M. tuberculosis H37Rv (MIC 156 μg/ml) and AOZ8W-4 (MDR-TB clinical isolate) (MIC 0.078 mg/ml)[229]
Pelargonium graveolensGeraniaceaeSeedHydrodistillation for essential oil against tested isolates ranged from 19.5 μg/ml to 78 μg/ml[230]
Pelargonium sidoidesGeraniaceaeRootAqueous extracts inhibiting the growth of M. tuberculosis H37Rv (ATCC 27294) by 96% at a sample concentration of 12.5 μg/ml[231]
Pentanisia prunelloidesRubiaceaeRoot80% ethanol against M. tuberculosis H37Ra (ATCC 25177) with MICof 0.78 mg/ml[215]
Persea americanaLauraceaeLeaf, seedMethanolic extracts against M. tuberculosis H37Ra with MIC of 31.2 μg/ml and H37Rv; chloroformic extract of seeds against M. tuberculosis H37Rv MIC less than 50 μg/ml[229, 232]
Phymaspermum acerosumAsteraceaeRoot, leafEthanol and water extracts had the best MIC value of 20 μg/ml against five M. tuberculosis strains[221]
Piper cernuumPiperaceaeLeafHydrodistillation with water displayed moderate activity against the M. tuberculosis H37Rv with MIC of 125 μg/ml[233]
Piper diospyrifoliumPiperaceaeLeafHydrodistillation with water displayed moderate activity against the M. tuberculosis H37Rv with MIC of 125 μg/ml[233]
Piper guineensePiperaceaeSeedMethanol extracts against M. tuberculosis H37Ra and H37Rv with MIC of 256 μg/ml[210]
Piper imperialePiperaceaeFlowerEthanolic extracts against M. tuberculosis H37Rv with MIC of 75 μg/ml[234]
Piper rivinoidesPiperaceaeLeafHydrodistillation with water displayed moderate activity against the M. tuberculosis H37Rv with MIC of 125 μg/ml[233]
Piper sarmentosumPiperaceaeLeafExtracts with petroleum ether, chloroform, and methanol, against M. tuberculosis H37Rv with MIC of 25, 25, and 12.5 μg/ml[235]
Pisonia borinquenaNyctaginaceaeLeaf95% ethanol extracts against M. tuberculosis H37Rv (ATCC 27294) with 85% inhibition at 100 μg/ml[216]
Pittosporum tenuifoliumPittosporaceaeLeafEthanol extracts against M. smegmatis with IC50 of 0.78 mg/ml[225]
Pluchea indicaAsteraceaeFlower and leaf80% methanol extract against M. tuberculosis H37Rv ATCC 25618 with an MIC of 800 μg/ml[191]
Plumbago zeylanicaPlumbaginaceaeRootEthanol extract against M. tuberculosis H37Rv (ATCC 27294) with MIC of 31.25 μg/ml[196]
Psychotria zombamontanaRubiaceaeLeafAcetone extract decreased 256-fold of MIC in combination with fifampicin against M. aurum and reduction of the MICs of the anti-TB drug ranged from 2-fold to 4-fold, 2-fold to 64-fold, and 2-fold to 64-fold for M. smegmatis, M. aurium, and M. tuberculosis, respectively[207]
Pterocarpus osunFabaceae (Leguminosae)StemChloroform extract against M. tuberculosis H37Rv and M. bovis BCG with MIC of 1225 μg/ml and 1100 μg/ml, respectively, by MABA[67, 236]
Pterolobium stellatumFabaceaeRootChloroform extracts of roots were the most active on M. tuberculosis H37Rv (MIC 39 μg/ml) and AOZ8W-4 (MDR-TB clinical isolate) (MIC 0.078 mg/ml)[229]
Rhynchosia precatoriaFabaceaeRootExtracts by n-hexane, dichloromethane, ethyl acetate, and methanol individually against M. tuberculosis H37Rv with MIC of 15.6-125 μg/ml[212]
Ricinus communisEuphorbiaceaeSeedHexane extracts against M. tuberculosis H37Rv sensitive strain with MIC of 2.5 mg/ml by MABA[203]
Rosmarinus officinalisLamiaceaeLeafEthanolic extracts against M. tuberculosis H37Ra with MIC of 6.25 μg/ml[224]
Satureja aintabensisLamiaceaeAerial partsExtraction with petroleum ether, ethyl acetate, and methanol killed M. tuberculosis with MIC of 50-800 μg/ml[237]
Satyrium nepalenseOrchidaceaeFlowerHexane extracts against M. tuberculosis H37Rv TMC-102 with MIC of 15.7 μg/ml[238]
Schinus molleAnacardiaceaeFruitMethanol extract against a drug-resistant strain of M. tuberculosis CIBIN/UMF15:99 with MIC of 125 μg/ml[202]
Securidaca longepedunculataPolygalaceaeRootHexane extracts against M. bovis BCG, M. tuberculosis H37Ra, and H37Rv with 62.5 μg/ml[226]
Solanum torvumSolanaceaeLeaf80% ethanol crude extracts against M. tuberculosis H37Ra (ATCC 25177™) with MIC of 156.3 μg/ml[184]
Sphaeranthus indicusAsteraceaeFloral headEthanol extract against M. tuberculosis H37Rv (ATCC 27294) with MIC of 31.25 μg/ml[196]
Sterculia setigeraSterculiaceaeLeafHexane, dichloromethane, and ethyl acetate extracts against M. tuberculosis H37Rv with MICs of 84 μg/ml, 62 μg/ml, and 128 μg/ml, respectively[239]
Swinglea glutinosaRutaceaeFruit peelAqueous extracts for essential oils against M. tuberculosis H37Rv (ATCC 27294) with MIC of 100 μg/ml[182]
Tabernaemontana elegansApocynaceaeRootEthyl acetate extracts against M. tuberculosis H37Rv with MIC of 15.6 μg/ml[226]
Tabernaemontana coronariaApocynaceaeLeafHexane partition from methanol extracts of MIC of 100 μg/ml against M. tuberculosis H37Rv[206]
Terminalia phanerophlebiaCombretaceaeLeaf, root, twig80% ethanol against M. tuberculosis H37Ra (ATCC 25177) with 0.30 and 0.78 mg/ml, respectively[215]
Terminalia sericeaCombretaceaeStem barkAcetone extracts against M. tuberculosis H37Ra with MIC of 25 μg/ml[197]
Thymus sibthorpiiLamiaceaeAerial partsExtracts with petroleum ether, ethyl acetate, and methanol against M. tuberculosis with MIC of 50–800 μg/ml[237]
Trachyspermum copticumApiaceaeAerial partsHydrodistillation extracts against M. kansasii and MDR-TB with MICs of 78 μg/ml[230]
Urtica dioicaUrticaceaeLeafHexane extracts against M. smegmatis with MIC of 250 μg/ml[201]
Uvaria rufaAnnonaceaeLeafLead acetate-treated crude chloroform extracts against M. tuberculosis H37Rv with MIC of 8 μg/ml[136]
Vetiveria zizanioidesPoaceaeRootEthanolic extract and hexane fraction 500 μg/ml or 50 μg/ml against M. tuberculosis H37Rv and H37Ra[240]
Vismia bacciferaClusiaceaeLeafDichloromethane-methanol extracts (1.1) inhibit the M. tuberculosis H37Rv at 50 μg/ml with [188]
Xylopia aethiopicaAnnonaceaeFruit, barkMethanol extracts against M. tuberculosis H37Ra and H37Rv with MIC of 512 μg/ml[210]
Zanthoxylum capenseRutaceaeRootDichloromethane extracts against M. bovis BCG, M. tuberculosis H37Ra, and H37Rv with MICs of 31.2 μg/ml[226]
Zingiber officinaleZingiberaceaeRhizomeEthanol extract against M. tuberculosis H37Ra with MIC of 2500 μg/ml by MABA[184]

aMinimum inhibitory concentration (MIC); bmicroplate alamar blue assay (MABA); chalf maximal inhibitory concentration (C50).