Influence of the Phenological State of in the Antioxidant Potential and Chemical Composition of . Effects on the P-Glycoprotein Function.

(Kunth) R. M. King & H.

Polyphenolic profile by FIA/ESI/IT/MS and antioxidant capacity of the ethanolic extract from the barks of (Borhidi & O. Muñiz) Borhidi & O. Muñiz.

Medium and high polarity extracts from species are known to contain polyphenolic compounds such as proanthocyanidins. The high polarity and structural complexity of these compounds make very difficult their isolation even by modern chromatographic techniques. (Borhidi & O.

Comparison of the Qualitative Chemical Composition of Extracts from Ageratina havanensis Collected in Two Different Phenological Stages by FIA-ESI-IT-MS" and UPLC/ESI-MS": Antiviral Activity.

The flowers and leaves of Ageratina havanensis (Kunth) R. M. King & H.