A new species of aphid, belonging to the genus Macrosiphoniella Del Guercio, 1911, is described using three samples collected in Iran on Helichrysum armenium (Asteraceae, Inuleae) by the late Prof. G. Remaudière. Both apterous and alate viviparous females of the new taxon, Macrosiphoniella remaudiereisp. n., are described and compared to corresponding morphs of the closely allied Macrosiphoniel...

Helichrysum microphyllum Cambess. subsp. tyrrhenicum Bacch., Brullo e Giusso (Asteraceae), previously known as Helichrysum italicum ssp. microphyllum (Willd.) Nyman, is one of the many endemic species growing in Sardinia, Corsica and Balearic Islands. In the present work the composition of the essential oil obtained from a population of H. microphyllum ssp. thyrrenicum growing in a littoral loc...

Research on the biological effects of essential oils on human skin cells is scarce. In the current study, we primarily explored the biological activities of 10 essential oils (nine single and one blend) in a pre-inflamed human dermal fibroblast system that simulated chronic inflammation. We measured levels of proteins critical for inflammation, immune responses, and tissue-remodeling processes....

The chromosome numbers and karyotypes of five species the genus Iris distributed in Turkey were analyzed. These taxa are I. aucheri (Baker) Sealy, reticulata var. M. Bieb., persica L., peshmeniana Güner & T. Hall, sarii Schott ex Baker. Two them (I. sari peshmeniana) endemic Turkey. studied determeined as 2n=18 persica), 2n=20 sari), 2n=24 aucheri), 2n=36 reticulata). Haploid lengths varied fro...

BACKGROUND Dorema aucheri is a plant of Apiaceae family which is used widely in some states of Iran. Different extracts and essential oil of Dorema species contain flavonoids and cumarin compounds which have anti-hypertensive, cholesterol- and triglycerides-lowering properties. This study was undertaken to evaluate the genotoxic properties of hydroalcoholic and aqueous extracts of D. aucheri on...

The genus Moluccella (Lamiaceae) encompasses eight species among which aucheri (Boiss.) Scheen and M. laevis L. are available in Iran. aim of this study is characterizing the essential oil dried aerial parts collected from South was hydrodistilled then analysed by GC-MS. Twenty-one compounds were identified aucheri. most abundant components an aromadendrane sesquiterpene; spathulenol (63.3%) to...

Helichrysum plicatum (Turkish Helichrysum) has been used in folk medicine for the treatment of gastric and hepatic disorders. The aim of the present study was to examine the relaxant activity of an extract of H. plicatum flowers on isolated rat ileum. Segments of ileum of rats were suspended in an organ bath. Cumulative concentrations of H. plicatum ethanol extract induced a relaxant effect on ...

The experiment was conducted to proof the new natural plant extracts (Fagopyrum Mill. (buckwheat), Crataegus ex L., (hawthorn), Hypericum L. (St -John's -wort's) and Helichrysum arenarium) and selected flavonoids as reference substances for the in vitro. The probing was performed as considering four different parameters: the antioxidant activity, the antiradical activity – DPPH test, the DPH te...

The ethnopharmacology of Madeira and Porto Santo Islands is extremely interesting because of the cultural and biogeographic features of this region, which make it a centre of medicinal plant diversity (richness of endemic flora, geographical isolation in the Atlantic sea, crosscultural influences, and past abundance of local healers). The medicinal flora of Madeira is composed of 259 species. S...