The genus Piper, a member of the Piperaceae family, comprises> 2000 species, of which
many are well known to possess considerable economic and medicinal values. Lignans are …

Plant derived products and phytoconstituents have been used in medicine for the treatment
of human disorders and associated secondary complication since a very early age …

The chemistry of members of the family Piperaceae is of great interest owing to the variety of
biological properties displayed. A survey of structural diversity and bioactivity reveals that …

The composition of essential oils from leaves, stems and fruits of Piper aduncum, P.
arboreum and P. tuberculatum was examined by means of GC-MS and antifungal assay …

The rhizomes of Polygonatum sibiricum are commonly consumed as food and also used as
medicine. However, the metabolic profile of P. sibiricum has not been fully revealed yet …

MATERIALS AND METHODS Plant Material Piper solmsianum C. DC. var. solmsianum
(Piperaceae) was collected in May, 2001, in Ponta Grossa, State of Paraná, Brazil, and …

In addition to sitosterol, syringaldehyde, 3, 4, 5-trimethoxybenzoic acid, isoelemicin and
grandisin, two new tetrahydrofuran lignans were isolated from Piper solmsianun and …

Epstein–Barr virus (EBV) is a member of the γ-herpes virus subfamily and has been
implicated in the pathogenesis of several human malignancies. Bioassay-guided …

The essential oils of Piper cernuum and Piper regnellii leaves were analyzed by gas
chromatography-mass spectrometry (GC-MS) and the results were compared to that …

Two new carbazole alkaloids named murrayanine (1) and 8, 8 ''-biskoenigine (2) were
isolated from Murraya koenigii. The structure elucidations for 1 and 2 were carried out on the …