Research Article

Levels of Tannins and Flavonoids in Medicinal Plants: Evaluating Bioprospecting Strategies

Table 1

Medicinal plants analyzed with their levels of tannins (T) and flavonoids (F) in dry samples in an ethnobotanical survey conducted in the Caatinga vegetation in Pernambuco state, Northeast Brazil.

Group: indicationScientific namePopular namePart usedF (%)T (%)

Group I:Schinopsis brasiliensis Engl.BaraúnaBark2.555.53
random selectionHymenaea courbaril L.JatobáBark0.462.35
Handroanthus impetiginosus (Mart. ex DC.) Mattos (Tabebuia impetiginosa (Mart. ex DC.) Standl.)Pau d’arco roxoBark0.1
Cereus jamacaru P. DC.MandacaruCladode0.2
Capparis jacobinae Moric. ex Eichlera.IncóLeaf1.29
Serjania lethalis A. St.-Hil.AriúRoot0.051.21
Manihot glaziovii Muell. Arg.ManiçobaBark0.31.89
Nicotiana glauca Graham.Pára-raioLeaf1.6
Solanum aculeatissimum Jacq.GogóiaRoot1.91
Crataeva tapia L.TrapiáBark0.03

Group II:Amburana cearensis (Allemão) A.C. Sm.Imburana açuBark0.33
antimicrobialZiziphus joazeiro Mart.JuazeiroBark0.14
Anadenanthera colubrina (Vell.) BrenanAngico/pretoBark0.398.24
Erythrina velutina Willd.MulunguBark0.21
Maytenus rigida Mart.Bom nomeBark0.3
Mimosa tenuiflora (Willd.) Poir.Jurema lisaBark0.212.58
Caesalpinia pyramidalis Tul.Catingueira rasteiraBark0.656.01
Myracrodruon urundeuva Allemão.AroeiraBark2.956.88
Guapira laxa (Netto) Furlan.PiranhaBark0.04

Group III:Libidibia ferrea (Mart. ex Tul.) L. P. Queiroz (Caesalpinia ferrea Mart.)JucáBark0.496.24
antidiarrhealCaesalpinia pyramidalis Tul.Catingueira rasteiraBark0.656.01
Lantana camara L.ChumbinhoLeaf3.72
Croton blanchetianus Baill.MarmeleiroBark0.472.47
Croton rhamnifolius Willd.VelameLeaf2.71
Eugenia uvalha Cambess.UbaiaBark0.721.68
Spondias tuberosa Arruda. UmbuBark2.261.51
Croton argyroglossum Baill.Rama branca/Velame brancoBark0.23
Ziziphus joazeiro Mart.JuazeiroLeaf1.75
Cedrela odorata L.CedroBark0.212.09

Group IV:Bauhinia cheilantha (Bong.) Steud.Mororó brancoLeaf4.941.82
hypoglycemia and/or antidiabeticCroton argyroglossum Baill.Rama branca/Velame brancoBark0.23
Spondias tuberosa Arruda.UmbuBark2.261.51
Tillandsia usneoides (L.) L.Salambaia comprida/SamambaiaWhole plant0.3
Erythrina velutina Willd.MulunguBark0.21
Maranta divaricata Roscoe.Cana de macacoBark0.02

—: not detected.