The Argentine ant, Linepithema humile, is a widespread invasive species characterized by reduced intraspecific aggression within introduced populations. To illuminate the mechanisms underlying nestmate recognition in Argentine ants, we studied the spatial and temporal fidelity of intraspecific aggression in an introduced population of Argentine ants within which intraspecific aggression does oc...

The major aromatic components of the essential leaf oil of the New Zealand lemonwood tree Pittosporum eugenioides are octyl acetate (33%), terpinen-4-ol (13%), decanol (6%) and (Z)-hex-3-enol (5%). These products are responsible for the characteristic Citrus-like aroma which is detected when the leaves are crushed, a phenomenon which provided the species with its common name. The major componen...

A cikk a medvetalp (Heracleum) nemzetség néhány hazánkban gyűjtött, tévesen határozott, az MTM Növénytára herbáriumában (BP) őrzött példányát, illetve ezek szakirodalmi kapcsolatait tárgyalja. Az őshonos Heracleum taxonok Kárpát-medencei elterjedési mintázatát Simon Tibor tisztázta 1960-as években, szóban forgó példányokat azonban, amelyek valójában idegenhonos fajokat reprezentálnak, revideált...

abstract this study was carried out to investigate the hepatoprotective effect of deuterium depleted water with satureja rechingeri essential oil on liver damage. for this purpose, the adult male rats were divided into 16 groups. the negative control group used tap water in 14 days following dmso i.p injection at day 15th. the treatment group with acetaminophen received tap water in 14 days fol...

The essential oils, isolated by hydrodistillation from the leaves, seeds and rhizomes of Heracleum sprengelianum (Wight and Arnott), collected from the Western Ghats of Peninsula India, were analyzed by gas chromatography (GC) and gas chromatography coupled to mass spectrometry (GC-MS). The antioxidant property of these oils was tested, with and without peroxidation inducer, through the egg yol...