background and objectives: the artemisia genus of asteraceae family is represented by 34 species in iran. artemisia sieberi grows wild in different regions of iran and grows in desert and semi- desert climate and has forage value for animals and also medicinal properties for humans. in this study we examined the antimicrobial effects of a. sieberi. materials and methods: the antimicrobial activ...

The diversity of ten populations representing Artemisia monosperma and A. judaica has been analyzed, based on assessment of morphological, karyological and molecular variations. The analysis of morphological variation and molecular polymorphism as revealed by RAPD, using the software NTSYSpc-2.01, confirmed the differentiation of A. monosperma and A. judaica as two distinct species and showed w...

Schistosomiasis, a neglected tropical disease, imposes substantial health and economic burdens on impoverished groups living in predominantly rural areas. Praziquantel (PZQ) is the only drug available for treatment, it not completely efficacious. Artemisia annua afra infusions were proposed to possess antischistosomal activities recently retracted publication of clinical trial, leading our inve...

The volatile oils of black pepper [Piper nigrum L. (Piperaceae)], clove [Syzygium aromaticum (L.) Merr. & Perry (Myrtaceae)], geranium [Pelargonium graveolens L'Herit (Geraniaceae)], nutmeg [Myristica fragrans Houtt. (Myristicaceae), oregano [Origanum vulgare ssp. hirtum (Link) Letsw. (Lamiaceae)] and thyme [Thymus vulgaris L. (Lamiaceae)] were assessed for antibacterial activity against 25 dif...

We present revisions of the Neotropical genera Ruizodendron and Pseudephedranthus (Annonaceae). Ruizodendron includes a single species R. ovale. Pseudephedranthus now comprises two species, with the description of the new species P. enigmaticussp. nov. extending the range of the genus beyond the Upper Rio Negro region of Brazil (Amazonas) and adjacent Venezuela (P. fragrans), to include Guyana,...

This paper presents the results of analysis acetone, chloroform and diethyl ether extracts three types wormwood: Artemisia absinthium L., armeniaca Lam. latifolia Ledeb., performed by gas chromatography–mass spectroscopy. β-myrcene was found in A. from biologically active substances; latifolia, pinene; 3,6-difluoro-4-[1-hydroxy-2-(methiamino)ethyl]benzene-1,2-diol, ethyl palmitate, β-phellandre...