The effects of seasonal climate changes in the caatinga on tannin levels in Myracrodruon urundeuva (Engl.) Fr. All. and Anadenanthera colubrina (Vell.) Brenan / Os efeitos da sazonalidade climática na caatinga sobre os teores de taninos em Myracrodruon urundeuva (Engl.) Fr. All. e Anadenanthera colubrina (Vell.) Brenan
Monteiro, Júlio M; Albuquerque, Ulysses P; Lins Neto, Ernani M. F; Araújo, Elcida L; Albuquerque, Miracy M; Amorim, Elba L. C.
Rev. bras. farmacogn
; 16(3): 338-344, jul.-set. 2006. ilus, graf, mapas
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| LILACS | ID: lil-571000
The influence of seasonal climatic changes on tannin concentrations was examined in two caatinga (semi-arid) plant species (Myracrodruon urundeuva (Engl.) Fr. All. and Anadenanthera colubrina (Vell.) Brenan). The Folin-Ciocalteau method was used to quantify total phenols, and the casein precipitation method was used for tannins. In general, there is a close relationship between tannin levels and rainfall, although species seem to adopt different strategies of tannin compound production in response to periods of drought and rainfall in the caatinga.
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