Publications
Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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effectiveness of lotions based on essential oils from aromatic plants against permethrin resistant pediculus humanus capitis. | in argentina, field populations of the head louse pediculus humanus capitis de geer (phthiraptera: pediculidae) have developed resistance to permethrin and other pyrethroids. thus, the aim of this work was the development of a lotion containing essential oils from plants and an alcoholic coadjuvant to improve biological effect. ethanol + isopropanol (1 + 1 in volume) 50% in water and ethanol 96% were taken as bases for preparation of experimental lotions containing essential oils from plants. we ... | 2007 | 17647002 |
effect of gamma and e-beam radiation on the essential oils of thymus vulgaris thymoliferum, eucalyptus radiata, and lavandula angustifolia. | the microbiological contamination of raw plant materials is common and may be adequately reduced by radiation processing. this study evaluated the effects of gamma- and e-beam ionizing radiations (25 kgy) on three plants used as food or as medicinal products (thymus vulgaris l., eucalyptus radiata d.c., and lavandula angustifolia mill.) as well as their effects on extracted or commercial essential oils and pure standard samples. comparison between irradiated and nonirradiated samples was perform ... | 2007 | 17602644 |
antifungal activity of essential oils against filamentous fungi determined by broth microdilution and vapour contact methods. | the in vitro activity of some essential oils (eo) (thyme red, fennel, clove, pine, sage, lemon balm and lavender) against clinical and environmental fungal strains was determined. | 2007 | 17578419 |
anxiolytic effects of lavender oil inhalation on open-field behaviour in rats. | to establish a valid animal model of the effects of olfactory stimuli on anxiety, a series of experiments was conducted using rats in an open-field test. throughout, effects of lavender oil were compared with the effects of chlordiazepoxide (cdp), as a reference anxiolytic with well-known effects on open-field behaviour. rats were exposed to lavender oil (0.1-1.0 ml) for 30 min (experiment 1) or 1h (experiment 2) prior to open-field test and in the open field or injected with cdp (10 mg/kg i.p.) ... | 2007 | 17482442 |
a comparison of botanical and synthetic substances commonly used to prevent head lice (pediculus humanus var. capitis) infestation. | pediculosis, caused by head lice (pediculidae: pediculus humanus var. capitis), is experiencing a global resurgence, with the prevalence in primary schools averaging as high as 40% in some areas regardless of socioeconomic factors. control efforts using chemical treatments are becoming increasingly ineffective, with insecticide resistance recorded in several countries. prevention using repellents and oils would be useful if they limited transmission. many commercially available substances repute ... | 2007 | 17442090 |
drought tolerance and antioxidant activities in lavender plants colonized by native drought-tolerant or drought-sensitive glomus species. | this study compared the effectiveness of four arbuscular mycorrhizal (am) fungal isolates (two autochthonous presumably drought-tolerant glomus sp and two allochthonous presumably drought-sensitive strains) on a drought-adapted plant (lavandula spica) growing under drought conditions. the autochthonous am fungal strains produced a higher lavender biomass, specially root biomass, and a more efficient n and k absorption than with the inoculation of similar allochthonous strains under drought condi ... | 2007 | 17431706 |
repellence of the red bud borer resseliella oculiperda from grafted apple trees by impregnation of rubber budding strips with essential oils. | the red bud borer resseliella oculiperda (rübs.) is a pest insect of apple trees when rootstocks are grafted with scion buds by 'shield budding'. the female midges are attracted to the wounds of the grafted buds where they lay their eggs. the larvae feed on the cambium and destroy the buds completely or partially, leading to bad union of the buds with the rootstocks. budding strips are used very often by growers to bind scion buds to rootstocks. these strips cannot prevent midges from reaching t ... | 2007 | 17421054 |
mechanism of changes induced in plasma glycerol by scent stimulation with grapefruit and lavender essential oils. | in a previous study, we found that stimulation with scent of grapefruit oil (sgfo) elevated plasma glycerol levels in rats. however, stimulation with scent of lavender oil (slvo) triggered a negative effect. to identify the mechanism of these changes during lipolysis, we examined the role of autonomic blockers and bilateral lesions of the hypothalamic suprachiasmatic nucleus (scn) in the modification of plasma glycerol in rats exposed to sgfo and slvo. we found that intraperitoneal injection of ... | 2007 | 17376592 |
isolation of fatty acids and aromatics from cell suspension cultures of lavandula angustifolia. | cell suspension cultures of lavandula angustifolia mill. ssp. angustifolia (syn.: l. officinalis chaix.) afforded a fatty acid composition, cis and trans p-coumaric acids (=p-hydroxy cinnamic acids), and beta-sitosterol. the fatty acid composition was analyzed by gc-ms, and the structures of the isolated three compounds were determined by 1h- and 13c-nmr, and ms spectroscopic techniques. | 2007 | 17365695 |
efficacy of aromatherapy (lavandula angustifolia) as an intervention for agitated behaviours in chinese older persons with dementia: a cross-over randomized trial. | agitated behaviours among persons with dementia are distressing to both patients and their caregivers. as pharmacological interventions may be limited by their potentially adverse effects, the use of complementary therapies for treatment of agitation has become more popular and aromatherapy is the fastest growing one. | 2007 | 17342790 |
anxiolytic effects of lavandula angustifolia odour on the mongolian gerbil elevated plus maze. | lavender is a popular treatment for stress and mild anxiety in europe and the usa. the present study investigated the effects of (lavandula angustifolia mill. (lamiaceae)) lavender odour inhalation over 2 weeks or 24 h periods, on gerbil behaviour in the elevated plus maze in mature male and female gerbils, and compared results with the effects of diazepam (1 mg/kg) i.p. after 30 min and 2-week administration. traditional measures of open entries showed an increasing trend over the 2 weeks expos ... | 2007 | 17289317 |
combined effect of heat, essential oils and salt on fungicidal activity against trichophyton mentagrophytes in a foot bath. | this work was originally undertaken to determine the effective conditions of essential oils against trichophyton mentagrophytes in vitro for the treatment of tinea pedis in a foot bath. agar blocks implanted with t. mentagrophytes were immersed in 0.1% aqueous agar containing two-fold dilutions of essential oils with or without sodium chloride at 27 degrees c, 37 degrees c and 42 degrees c for 10 and 20 min. the number of surviving mycelia on the agar blocks was determined from the standard curv ... | 2007 | 17287720 |
prepubertal gynecomastia linked to lavender and tea tree oils. | most cases of male prepubertal gynecomastia are classified as idiopathic. we investigated possible causes of gynecomastia in three prepubertal boys who were otherwise healthy and had normal serum concentrations of endogenous steroids. in all three boys, gynecomastia coincided with the topical application of products that contained lavender and tea tree oils. gynecomastia resolved in each patient shortly after the use of products containing these oils was discontinued. furthermore, studies in hum ... | 2007 | 17267908 |
the vapor activity of oregano, perilla, tea tree, lavender, clove, and geranium oils against a trichophyton mentagrophytes in a closed box. | the vapor activity of six essential oils against a trichophyton mentagrophytes was examined using a closed box. the antifungal activity was determined from colony size, which was correlated with the inoculum size. as judged from the minimum inhibitory dose and the minimum fungicidal dose determined after vapor exposure for 24 h, the vapor activity of the six essential oils was ranked in the following order: oregano > clove, perilla > geranium, lavender, tea tree. the vapors of oregano, perilla, ... | 2007 | 17235639 |
efficacy of plant extracts against stored-products fungi. | the fungistatic activity of six aqueous extracts of plants were tested against aspergillus candidus, aspergillus niger, penicillium sp. and fusarium culmorum. the plants were, chamomile (anthemis nobilis l.), cinnamon (cinnamomum verum j. presl.), french lavender (lavandula stoechas l.), garlic (allium sativum l.), malva (malva sylvestris l.) and peppermint (mentha piperita l.). the more concentrated extracts of chamomile and malva inhibited totally the growth of the tested fungi with malva the ... | 2006 | 17196025 |
clinical, clinicopathologic, postmortem examination findings and familial history of 3 arabians with lavender foal syndrome. | 2006 | 17186871 | |
autonomic and cardiovascular responses to scent stimulation are altered in cry ko mice. | previously, we observed that in rats, olfactory stimulation with scent of grapefruit oil (sgfo) elevates the activities of sympathetic nerves. sgfo also suppresses gastric vagal (parasympathetic) nerve activity (gvna), increases the plasma glycerol concentration, blood pressure (bp) and body temperature, and reduces appetite. in contrast, olfactory stimulation with scent of lavender oil (slvo) has opposite effects in rats. here, we show that in mice, olfactory stimulation with sgfo elevated acti ... | 2007 | 17175102 |
anticonflict effects of lavender oil and identification of its active constituents. | the pharmacological effects of lavender oil were investigated using two conflict tests in icr mice, and then the active constituents were identified. lavender oil produced significant anticonflict effects at 800 and 1600 mg/kg in the geller conflict test and at 800 mg/kg in the vogel conflict test, suggesting that the oil has an anti-anxiety effect. analysis using gc/ms revealed that lavender oil contains 26 constituents, among which alpha-pinene (ratio, 0.22%), camphene (0.06%), beta-myrcene (5 ... | 2006 | 17173962 |
up-regulation of 1-deoxy-d-xylulose-5-phosphate synthase enhances production of essential oils in transgenic spike lavender. | spike lavender (lavandula latifolia) is an aromatic shrub cultivated worldwide for the production of essential oils. the major constituents of these oils are monoterpenes, which are obtained from isopentenyl diphosphate and dimethylallyl diphosphate precursors through the plastidial methylerythritol phosphate (mep) pathway and/or the cytosolic mevalonate pathway. 1-deoxy-d-xylulose-5-p synthase (dxs) catalyzes the first step of the mep pathway. a cdna coding for the arabidopsis (arabidopsis thal ... | 2006 | 16980564 |
aromatherapy for travel-induced excitement in dogs. | to evaluate the efficacy of the ambient odor of lavender as a treatment for travel-induced excitement in dogs. | 2006 | 16978115 |
a randomized trial of olfactory stimulation using black pepper oil in older people with swallowing dysfunction. | to determine the effect of olfactory stimulation with volatile black pepper oil (bpo) on risk factors for pneumonia. | 2006 | 16970649 |
effect of various natural medicinals on salivary protein putrefaction and malodor production. | salivary incubation assays are commonly used in oral malodor studies. using an in vitro model system, the effect of various natural medicinals (i.e., echinacea, propolis, elder, mastic gum, marigold, sage, lavender, thyme, and chamomile) on salivary protein putrefaction and malodor production was examined. | 2006 | 16922026 |
repellency of oils of lemon eucalyptus, geranium, and lavender and the mosquito repellent mygga natural to ixodes ricinus (acari: ixodidae) in the laboratory and field. | mygga natural (bioglan, lund, sweden) is a commercially available repellent against blood-feeding arthropods. it contains 30% of lemon-scented eucalyptus, corymbia citriodora (hook.) k. d. hill & l. a. s. johnson (myrtaceae), oil with a minimum of 50% p-menthane-3,8-diol. mygga natural also contains small amounts of the essential oils of lavender, lavandula angustifolia mill. (lamiaceae), and geranium, pelargonium graveolens l'her. (geraniaceae). in laboratory bioassays, mygga natural and c. cit ... | 2006 | 16892632 |
linalyl acetate as a major ingredient of lavender essential oil relaxes the rabbit vascular smooth muscle through dephosphorylation of myosin light chain. | in a preliminary experiment, we found that lavender essential oil relaxes vascular smooth muscle. thus, the present experiments were designed to investigate the relaxation mechanism of linalyl acetate as the major ingredient of lavender essential oil in rabbit carotid artery specimens. linalyl acetate produced sustained and progressive relaxation during the contraction caused by phenylephrine. the relaxation effect of linalyl acetate at a concentration near the ec50 was partially but significant ... | 2006 | 16891914 |
effect of aromatherapy on symptoms of dysmenorrhea in college students: a randomized placebo-controlled clinical trial. | the purpose of this study was to explore the effect of aromatherapy on menstrual cramps and symptoms of dysmenorrhea. | 2006 | 16884344 |
the sleep-enhancing effect of valerian inhalation and sleep-shortening effect of lemon inhalation. | we examined the effects of odorant inhalation on the sleep-wake states in rats. odorants used in the experiment were clove, jasmine, lavender, lemon, peppermint, pine, rose, sandalwood, valerian, and ylang-ylang. valerian and rose inhalation significantly prolonged the pentobarbital-induced sleeping time, whereas lemon inhalation significantly shortened it. the effect of valerian inhalation was markedly noticeable. in the anosmic rats, a significant effect of odorants on the pentobarbital sleep ... | 2006 | 16857858 |
a comparison of wound healing following treatment with lavandula x allardii honey or essential oil. | the increased interest in complementary therapies has led to the investigation of products traditionally believed to have a beneficial effect in wound healing. two such products are honey and lavender essential oil. in this study a rat excisional wound model was used to investigate the action of lavandula x allardii honey and essential oil, and a standard therapeutic honey (medihoney). four 8 mm wounds were created surgically on the dorsal surface of each rat and honey or essential oil applied t ... | 2006 | 16807876 |
lemon oil vapor causes an anti-stress effect via modulating the 5-ht and da activities in mice. | we examined the anti-stress action of the essential oils of lavender, rose, and lemon using an elevated plus-maze task (epm), a forced swimming task (fst), and an open field task (oft) in mice. lemon oil had the strongest anti-stress effect in all three behavioral tasks. we further investigated a regulatory mechanism of the lemon oil by pre-treatments with agonists or antagonists to benzodiazepine, 5-ht, da, and adrenaline receptors by the epm and the fst. the anti-stress effect of lemon oil was ... | 2006 | 16780969 |
antiparasitic activity of two lavandula essential oils against giardia duodenalis, trichomonas vaginalis and hexamita inflata. | two essential oils derived from lavandula angustifolia and lavandula x intermedia were investigated for any antiparasitic activity against the human protozoal pathogens giardia duodenalis and trichomonas vaginalis and the fish pathogen hexamita inflata: all of which have significant infection and economic impacts. the study has demonstrated that low (< or = 1%) concentrations of l. angustifolia and l. x intermedia oil can completely eliminate t. vaginalis, g. duodenalis and h. inflata in vitro. ... | 2006 | 16741725 |
the in vitro screening for acetylcholinesterase inhibition and antioxidant activity of medicinal plants from portugal. | essential oil, ethanolic extract and decoction of 10 plant species from interior portugal were analyzed for their activity towards acetylcholinesterase (ache) enzyme and their antioxidant activity. of these, melissa officinalis, paronychia argentea, sanguisorba minor, hypericum undulatum and malva silvestris are used in herbal medicine, laurus nobilis and mentha suaveolens as condiments, and salvia officinalis, lavandula angustifolia and lavandula pedunculata also as aromatics. melissa officinal ... | 2006 | 16737790 |
antimicrobial activities of the essential oils of various plants against tomato late blight disease agent phytophthora infestans. | the aim of this study was to find an alternative to synthetic fungicides currently used in the control of devastating oomycete pathogen phytophthora infestans, causal agent of late blight disease of tomato. antifungal activities of essential oils obtained from aerial parts of aromatic plants such as oregano (origanum syriacum var. bevanii), thyme (thymbra spicata subsp. spicata), lavender (lavandula stoechas subsp. stoechas), rosemary (rosmarinus officinalis), fennel (foeniculum vulgare), and la ... | 2006 | 16463095 |
survey of herbal use by kansas and wisconsin wic participants reveals moderate, appropriate use and identifies herbal education needs. | to examine herbal use by a sample of low-income, nutritionally vulnerable children. | 2006 | 16442871 |
olfactory stimulation with scent of lavender oil affects autonomic neurotransmission and blood pressure in rats. | previously, we observed that olfactory stimulation with scent of lavender oil (slvo) suppressed sympathetic nerve activities and elevated gastric vagal (parasympathetic) nerve activity (gvna), decreased plasma glycerol concentration and body temperature, and enhanced appetite in rats. here, we further showed that olfactory stimulation with slvo lowered renal sympathetic nerve activity (rsna) and blood pressure (bp) and elevated gvna in urethane-anesthetized rats. olfactory stimulation with linal ... | 2006 | 16442729 |
presumptive identification of candida species other than c. albicans, c. krusei, and c. tropicalis with the chromogenic medium chromagar candida. | chromagar candida (cac) is increasingly being reported as a medium used to differentiate candida albicans from non-albicans candida (nac) species. rapid identification of nac can assist the clinician in selecting appropriate antifungal therapy. cac is a differential chromogenic medium designed to identify c. albicans, c. krusei, and c. tropicalis based on colony color and morphology. some reports have proposed that cac can also reliably identify c. dubliniensis and c. glabrata. | 2006 | 16390552 |
repelling properties of some plant materials on the tick ixodes ricinus l. | the repellent effects on nymphal stages of ixodes ricinus l. of some plant materials have been studied in the laboratory. the plant material consisted of an ethanolic extract from achillea millefolium l., and volatile oils of birch and/or pine tar, citronella, cloves, eucalyptus, geranium, lavender, lily of the valley and peppermint. the most pronounced effects were observed for the oils of citronella, cloves and lily of the valley. they possessed repelling activities of the same magnitude as th ... | 2006 | 16360943 |
do cranberries help prevent urinary tract infections? | cranberries are widely used in the treatment and prevention of urinary tract infections (utis) and for those at risk of such infections. with the growing resistance to antibiotics, cranberries can be viewed as a useful non-pharmaceutical remedy (lavender, 2000). the initial studies that looked at the effects of cranberries on urine showed that the excretion of hippuric acid from the berries helped the urine to remain acidic, which could explain why they could be used to treat and prevent infecti ... | 2005 | 16329274 |
in vitro susceptibility of helicobacter pylori to botanical extracts used traditionally for the treatment of gastrointestinal disorders. | the gram-negative bacterium helicobacter pylori (hp), identified in 1982, is now recognized as the primary etiological factor associated with the development of gastritis and peptic ulcer disease. in addition, hp infections are also associated with chronic gastritis, gastric carcinoma and primary gastric b-cell lymphoma. for centuries, herbals have been used in traditional medicine to treat a wide range of ailments, including gastrointestinal (gi) disorders such as dyspepsia, gastritis and pepti ... | 2005 | 16317658 |
hydrodistillation-headspace solvent microextraction, a new method for analysis of the essential oil components of lavandula angustifolia mill. | a new method involving concurrent headspace solvent microextraction combined with continuous hydrodistillation (hd-hsme) for the extraction and pre-concentration of the essential oil of lavandula angustifolia mill. into a microdrop is developed. a microdrop of n-hexadecane containing n-heptadecane (as internal standard) extruded from the needle tip of a gas chromatographic syringe was inserted into the headspace above the plant sample. after extraction for an optimized time, the microdrop was re ... | 2005 | 16314156 |
screening of plants used in danish folk medicine to treat memory dysfunction for acetylcholinesterase inhibitory activity. | aqueous and methanolic extracts of 11 plants, used in danish folk medicine for improvement of memory and cognition, and 3 corydalis species were tested for acetylcholinesterase inhibitory activity using the ellman colorimetric method. significant inhibitory activity in dose-dependent manner was observed for extracts of corydalis cava, corydalis intermedia, corydalis solida ssp. laxa and corydalis solida ssp. slivenensis. extracts of ruta graveolens, lavandula angustifolia, rosmarinus officinalis ... | 2006 | 16280217 |
insecticidal activity of some essential oils against larvae of spodoptera littoralis. | thirty-four essential oils were tested for insecticidal activity (fumigation or topical application) against larvae spodoptera littoralis. twenty essential oils applied by fumigation were highly toxic to the third instar of s. littoralis larvae. two essential oils nepeta cataria and thuja occidentalis were highly toxic, with lc50< or =10.0 ml/m3. five essential oils salvia sclarea, thymus mastichina, origanum majorana, pogostemon cablin and mentha pulegium were toxic with lc50 between 10.1 and 2 ... | 2005 | 16236461 |
antifungal activity of lavandula angustifolia essential oil against candida albicans yeast and mycelial form. | the antifungal activity of the essential oil of lavandula angustifolia mill. (lavender oil) and its main components, linalool and linalyl acetate, was investigated against 50 clinical isolates of candida albicans (28 oropharyngeal strains, 22 vaginal strains) and c. albicans atcc 3153. growth inhibition, killing time and inhibition of germ tube formation were evaluated. the chemical composition of the essential oil was determined by gas chromatography and mass spectrometry. lavender oil inhibite ... | 2005 | 16178366 |
discordance between viral loads determined by roche cobas amplicor human immunodeficiency virus type 1 monitor (version 1.5) standard and ultrasensitive assays caused by freezing patient plasma in centrifuged becton-dickinson vacutainer brand plasma preparation tubes. | the roche cobas amplicor human immunodeficiency virus type 1 (hiv-1) monitor (version 1.5) standard and ultrasensitive viral load assays often gave discordant results, with viral loads from the standard assay exceeding those from the ultrasensitive assay by more than 0.5 log(10) for approximately 20% of specimens received. we began studies to determine the extent, magnitude, and reproducibility of the discordance between the assays and to discover and eliminate the cause of this discordance. unt ... | 2005 | 16145119 |
a single-blinded, randomized pilot study evaluating the aroma of lavandula augustifolia as a treatment for mild insomnia. | insomnia is the most common of all sleep complaints and is under-researched. the current treatments of choice are conventional hypnotics agents, but these have potential for serious adverse reactions. uncontrolled and anecdotal evidence suggests that lavender oil is an effective treatment for insomnia, but this has not been formally investigated. | 2005 | 16131287 |
stimulative and sedative effects of essential oils upon inhalation in mice. | this study investigated the stimulative or sedative effects of inhaling fragrant essential oils (eos) by using a forced swimming test (fst) with mice. this behavioral test is commonly used to measure the effects of antidepressant drugs. the inhalation by mice of eos, such as ginger oil (p<0.05), thyme oil (p<0.05), peppermint oil (p<0.05), and cypress oil (p<0.01) resulted in 5% to 22% reduction of immobility. the same results were achieved when over-agitation was artificially induced in the mic ... | 2005 | 16114490 |
immunological and psychological benefits of aromatherapy massage. | this preliminary investigation compares peripheral blood cell counts including red blood cells (rbcs), white blood cells (wbcs), neutrophils, peripheral blood lymphocytes (pbls), cd4(+), cd8(+) and cd16(+) lymphocytes, cd4(+)/cd8(+) ratio, hematocrit, humoral parameters including serum interferon-gamma and interleukin-6, salivary secretory immunoglobulin a (iga). psychological measures including the state-trait anxiety inventory (stai) questionnaire and the self-rating depression scale (sds) bet ... | 2005 | 15937558 |
functional magnetic resonance imaging study of human olfaction and normal aging. | the function of human olfaction declines with advancing age. an important question centers on whether functional alterations to olfactory brain structures accompany age-related behavioral changes. in the present study, we tested the hypothesis that aged adults have intact though reduced activity in the central olfactory system using functional magnetic resonance imaging (fmri). | 2005 | 15933393 |
green tea and the skin. | plant extracts have been widely used as topical applications for wound-healing, anti-aging, and disease treatments. examples of these include ginkgo biloba, echinacea, ginseng, grape seed, green tea, lemon, lavender, rosemary, thuja, sarsaparilla, soy, prickly pear, sagebrush, jojoba, aloe vera, allantoin, feverwort, bloodroot, apache plume, and papaya. these plants share a common character: they all produce flavonoid compounds with phenolic structures. these phytochemicals are highly reactive w ... | 2005 | 15928624 |
the antimutagenic activity of lavandula angustifolia (lavender) essential oil in the bacterial reverse mutation assay. | essential oils from melaleuca alternifolia (tea-tree oil) and lavandula angustifolia (lavender oil) are commonly used to treat minor health problems. tea-tree oil possesses broad-spectrum antimicrobial activity, and is increasingly used for skin problems. lavender oil, traditionally used as an antiseptic agent, is now predominantly used as a relaxant, carminative, and sedative in aromatherapy. despite their growing use no data are available on their mutagenic potential. in this study, after dete ... | 2005 | 15907354 |
olfactory stimulation with scent of lavender oil affects autonomic nerves, lipolysis and appetite in rats. | in a previous study, we presented evidence that scent of grapefruit oil excites sympathetic nerves innervating white and brown adipose tissues and the adrenal gland, inhibits the vagal nerve innervating the stomach, increases lipolysis and heat production (energy consumption), and reduces appetite and body weight. here, we examined the effects of olfactory stimulation with scent of lavender oil (slvo) in rats and observed that in contrast to grapefruit oil, it inhibits the sympathetic nerves inn ... | 2005 | 15878236 |
classifying honeys from the soria province of spain via multivariate analysis. | a total of 73 different honeys from seven botanical origins [ling (calluna vulgaris l.), heather (erica sp.), rosemary (rosmarinus officinalis l.), thyme (thymus vulgaris l.), honeydew (quercus sp.), spike lavender (lavandula latifolia m.) and french lavender (lavandula stoechas l.)] have been classified by applying discriminant analysis to their metal content data and other common physicochemical parameters. fifteen minerals were identified and quantified using atomic emission spectroscopy (aes ... | 2005 | 15856192 |
the use of carbohydrate profiles and chemometrics in the characterization of natural honeys of identical geographical origin. | a study of the real possibilities of carbohydrate profiles and chemometrics to characterize the botanical origin of honey from a single geographical area, the province of soria (spain), is presented. to this end, 14 carbohydrates were quantified using high-performance liquid chromatography (hplc) with pulsed amperometric detection (pad) in 77 natural honeys, the botanical origins of which were ling, spike lavender, french lavender, thyme, forest, and multifloral. principal component analysis has ... | 2005 | 15826065 |
suppression of neutrophil accumulation in mice by cutaneous application of geranium essential oil. | background: previous studies suggested that essential oils suppressed the adherence response of human neutrophils in vitro and that intraperitoneal application of geranium oil suppressed the neutrophil accumulation into peritoneal cavity in vivo. usually, essential oils are applied through skin in aromatherapy in inflammatory symptoms. the purpose of this study is to assess the effects of cutaneous application of essential oils on the accumulation of neutrophils in inflammatory sites in skin of ... | 2005 | 15813994 |
multivariate correlation between color and mineral composition of honeys and by their botanical origin. | the mineral content and color characteristics of 77 honey samples were analyzed. eighteen minerals were quantified for each honey. multiple linear regression (mlr) was used to establish equations relating the colorimetric cielab coordinates to the mineral data. the results obtained shown that lightness (l) was significantly correlated with s, ca, fe, as, pb, and cd for the dark honey types (avocado, heather, chestnut, and honeydew). for the light and brown honey types (citrus, rosemary, lavender ... | 2005 | 15796597 |
antifungal effect of various essential oils against candida albicans. potentiation of antifungal action of amphotericin b by essential oil from thymus vulgaris. | the antifungal effect of the essential oil from satureja montana l., lavandula angustifolia mill., lavandula hybrida reverchon, syzygium aromaticum (l.) merril and perry, origanum vulgare l., rosmarinus officinalis l. and six chemotypes of thymus vulgaris l. on candida albicans growth were studied. the most efficiency was obtained with the essential oil from thymus vulgaris thymol chemotype (mic 80% = 0.016 microl/ml and kaff = 296 microl/ml). the presence in the culture medium of essential oil ... | 2004 | 15742351 |
[hormonal and metabolic effects of drinking mineral water and phytoaeronisation in experimental prostatitis]. | prostatitis modelled in 53 wistar male rats (300-350 body mass) 7 days after its induction was treated with mineral water "essentuki n 17" (mw) which was taken in a dose 1.5-2 ml per 100 g body mass for 23-24 days. in addition, some animals received phytoaeroionisation (pai) with solution of essential oils of mint, sage and lavender. prostatitis is associated with disorders in prostatic tissue, levels of sex hormones (testosterone, prolactin, fsh, lh), a rise in total cholesterol, glucose. water ... | 2004 | 15717535 |
effects of inhaling the vapor of lavandula burnatii super-derived essential oil and linalool on plasma adrenocorticotropic hormone (acth), catecholamine and gonadotropin levels in experimental menopausal female rats. | the effects of inhaling the vapor of lavandula burnatii super-derived essential oil and one of the main components of lavender oil, linalool on plasma adrenocorticotropic hormone (acth), catecholamine and gonadotropin levels in menopausal model rats under ether-inhalation were studied. the increased plasma acth levels induced by ether-inhalation tended to decrease by pre-inhalation of lavandula burnetii super and linalool vapor was induced the decrease of acth level. the decrease in adrenaline, ... | 2005 | 15684505 |
liquid-phase microextraction utilising plant oils as intermediate extraction medium--towards elimination of synthetic organic solvents in sample preparation. | hollow fibre based liquid-phase microextraction (lpme) using fatty oils and essential oils as the organic phase was evaluated to develop sample preparation technology eliminating the use of hazardous organic solvents. basic drugs were extracted from different aqueous samples (0.2 to 1 ml) through approximately 15 microl of either almond oil, arachis oil, olive oil, soy-bean oil, anise oil, fennel oil, lavender oil, or peppermint oil (organic phase) immobilised within the pores of a polypropylene ... | 2004 | 15638160 |
novel antiplatelet and antithrombotic activities of essential oil from lavandula hybrida reverchon "grosso". | lavender extracts are known to produce several mild effects at central and peripheral level. however, no studies are so far available about the potential effects of lavender essential oil on the hemostatic system. in this work, we demonstrated antiplatelet properties of lavender oil towards platelet aggregation induced by arachidonic acid, u46619, collagen and adp (ic50 = 51, 84, 191 and 640 microg/ml, respectively) on guinea-pig platelet rich plasma (prp) and its ability to destabilize clot ret ... | 2004 | 15636172 |
paying for nectar with wingbeats: a new model of honeybee foraging. | honeybees acquire wing damage as they age and older foraging honeybees accept lavender inflorescences with fewer flowers. these indicate the operation of some kind of optimal response, but this cannot be based on energy because energy expenditure does not change as the wings get damaged. however, wingbeat frequency increases with wing damage. a deterministic analytical model was constructed, based on the assumptions that bees have a limited total number of wingbeats that the flight motor can per ... | 2004 | 15615686 |
chemical compositions and antibacterial effects of essential oils of turkish oregano (origanum minutiflorum), bay laurel (laurus nobilis), spanish lavender (lavandula stoechas l.), and fennel (foeniculum vulgare) on common foodborne pathogens. | chemical compositions and inhibitory effects of essential oils of turkish oregano (origanum minutiflorum o. schwarz & p. h. davis), bay laurel (laurus nobilis l.), spanish lavender (lavandula stoechas subsp. stoechas l.), and fennel (foeniculum vulgare mill.) on escherichia coli o157:h7, listeria monocytogenes, salmonella typhimurium, and staphylococcus aureus were determined. after the essential oils were applied on the foodborne pathogens at doses of 0 (control), 5, 10, 20, 30, 40, 50, and 80 ... | 2004 | 15612826 |
effect of essential oil concentration on the ph of nutrient and iso-sensitest broth. | the role of ph on the antimicrobial activity of essential oils has not been well studied. the effect of four essential oils: backhousia citriodora, melaleuca alternifolia, lavandula angustifolia and santalum spicatum (0.1% to 10%) on the ph of two commonly used media, nutrient broth and iso-sensitest broth, was therefore undertaken. small (less than 0.5 ph units) but statistically significant differences between the ph of the two media followed the addition of m. alternifolia, l. angustifolia an ... | 2004 | 15597315 |
the effect of essential oils on methicillin-resistant staphylococcus aureus using a dressing model. | patchouli, tea tree, geranium, lavender essential oils and citricidal (grapefruit seed extract) were used singly and in combination to assess their anti-bacterial activity against three strains of staphylococcus aureus: oxford s. aureus nctc 6571 (oxford strain), epidemic methicillin-resistant s. aureus (emrsa 15) and mrsa (untypable). the individual essential oils, extracts and combinations were impregnated into filter paper discs and placed on the surface of agar plates, pre-seeded with the ap ... | 2004 | 15555788 |
effects of lozenge containing lavender oil, extracts from hops, lemon balm and oat on electrical brain activity of volunteers. | within a randomized double blind, placebo controlled trial the electrical activity of the human brain has been monitored using charge mode technology (laplacian estimates) after exposure to a lozenge containing 4 different herbal preparations (lavender oil, extracts from hops, lemon balm and oat) or a matching placebo without any active ingredients. sixteen healthy volunteers (8 males and 8 females) were tested within a crossover design. after baseline recording each subject sucked a lozenge and ... | 2004 | 15546807 |
antinociceptive and gastroprotective effects of inhaled and orally administered lavandula hybrida reverchon "grosso" essential oil. | in this study the antinociceptive and the gastroprotective effects of orally administered or inhaled lavandula hybrida reverchon "grosso" essential oil, and its principal constituents linalool and linalyl acetate were evaluated in rodents. either when orally administered (100 mg/kg) or inhaled for 60 min lavender essential oil significantly reduced the acetic acid-writhing response in a naloxone-sensitive manner. in the hot plate test, analgesic activity observed after oil inhalation was inhibit ... | 2004 | 15519366 |
herbs as a food source in turkey. | medical benefits of herbs have been known for centuries. many examples contain powerful active components that, if used correctly, can help in healing the living organism. these herbs can also be provided in the form of capsules and powders, as dietary supplements, and thus differ from conventional foods or food ingredients. the traditional turkish kitchen is rich of various herbs which have been employed as ingredients since ancient times. the present paper provides a brief overview of some imp ... | 2004 | 15373716 |
lavender (lavandula angustifolia miller). | an evidence-based systematic review including scientific evidence, expert opinion, folkloric precedent, history, pharmacology, kinetics/dynamics, interactions, adverse effects, toxicology, and dosing. | 2004 | 15364646 |
importance of learning in the response of ewes to male odor. | exposure of anestrous ewes to a ram or its odor results in the activation of the luteinizing hormone (lh) secretion leading to reinstatement of cyclicity in most females. sexual experience and learning have been suggested as important factors to explain the variability of the female responses. in experiment 1, we compared the behavioral and endocrine responses of four groups of anestrous females that differed in age (young or adult) and previous exposure to males [naive (no exposure) or experien ... | 2004 | 15337681 |
[clinical trial of aromatherapy on postpartum mother's perineal healing]. | this study was designed to verify the effect of aromatherapy on a postpartum mother's perineal healing. | 2004 | 15314339 |
a controlled trial of aromatherapy for agitation in nursing home patients with dementia. | two controlled trials of aromatherapy to decrease agitation in persons with dementia have recently produced promising results. however, both studies combined the use of essential oils with massage. thus, it is unclear if the effect of the aromatherapy intervention was the result of smelling or the cutaneous absorption of the oils. the purpose of this study was to determine whether smelling lavender oil decreases the frequency of agitated behaviors in patients with dementia. | 2004 | 15253846 |
transdermal absorption of (-)-linalool induces autonomic deactivation but has no impact on ratings of well-being in humans. | essential lavender oil has a long tradition as a mild sedative in herbal medicine. relaxing effects after inhalation have also been demonstrated for one of its main constituents, (-)-linalool. the aim of the present investigation was to determine the effects of this monoterpenoid alcohol on human physiological parameters (blood oxygen saturation, breathing rate, eye-blink rate, pulse rate, skin conductance, skin temperature, surface electromyogram as well as systolic and diastolic blood pressure ... | 2004 | 15238993 |
nile red-adsorbed gold nanoparticles for selective determination of thiols based on energy transfer and aggregation. | for the first time, an aqueous solution of 32-nm gold nanoparticles (gnps), to which nile red (nr) has been noncovalently adsorbed, has been used for sensing thiols. the as-prepared nrgnps fluoresce weakly as a result of fluorescence resonance energy transfer between nr and the gnps. the fluorescence of a solution containing nrgnps at ph 4.0 increases upon the addition of thiols, but not when amines, acids, alcohols, bovine serum albumin, or hemoglobin are added. this phenomenon allows for the s ... | 2004 | 15228347 |
in vitro antimicrobial activity of essential oils from aromatic plants against selected foodborne pathogens. | the purpose of this study was to examine the effectiveness of selected essential oils for the control of growth and survival of pathogenic microorganisms of significant importance in food hygiene and to determine whether the antimicrobial effect was due to the major compounds of the oils. mic and mbc were determined by the tube dilution method. essential oils from thymus vulgaris from spain and france, salvia sclarea, salvia officinalis, salvia lavandulifolia, lavandula latifolia, lavandula angu ... | 2004 | 15222560 |
contact and photocontact allergy to ketoprofen. the belgian experience. | topical ketoprofen (kp) is widely used because of its anti-inflammatory effect. however, photocontact dermatitis is a side-effect. between may 2001 and june 2002, the belgian contact & environmental dermatitis group conducted a prospective, open patch and photopatch test study in 20 patients suspected of kp dermatitis. severe skin symptoms requiring systemic corticotherapy occurred in 47%. 5 patients were hospitalized. 1 patient showed prolonged photosensitivity. all patients were tested with kp ... | 2004 | 15186381 |
patented antiinflammatory plant drug development from traditional medicine. | patents secured on antiinflammatory plant drugs derived from 38 plants are reviewed. an attempt has been made to compare the modern and traditional use of plant drugs and to establish the relevance of folk claims in developing modern drugs. the role of plant botanicals such as polysaccharides, terpenes, curcuminoids, alkaloids, etc. in alleviating inflammatory diseases including arthritis, rheumatism, acne skin allergy and ulcers is highlighted. chemicals that alleviate swelling are derived from ... | 2004 | 15173991 |
cytotoxicity of lavender oil and its major components to human skin cells. | lavender (lavandula angustifolia) oil, chiefly composed of linalyl acetate (51%) and linalool (35%), is considered to be one of the mildest of known plant essential oils and has a history in wound healing. concerns are building about the potential for irritant or allergenic skin reactions with the use of lavender oil. this study has demonstrated that lavender oil is cytotoxic to human skin cells in vitro (endothelial cells and fibroblasts) at a concentration of 0.25% (v/v) in all cell types test ... | 2004 | 15144499 |
chemical and biological characterization of cinnamic acid derivatives from cell cultures of lavender (lavandula officinalis) induced by stress and jasmonic acid. | cell cultures of lavender (lavandula officinalis) were analyzed for the metabolite profile under normal growth conditions and under stress as well as after jasmonic acid treatment. the main compound synthesized was rosmarinic acid, which was also secreted into the culture medium. different solvent extraction methods at different ph values altered the profile slightly. anoxic stress induced the synthesis of a cinnamic acid derivative, which was identified as caffeic acid by gas chromatography-mas ... | 2004 | 15137835 |
insecticidal effects of essential oils from various plants against larvae of pine processionary moth (thaumetopoea pityocampa schiff) (lepidoptera: thaumetopoeidae). | along with sulfate turpentine, the essential oils obtained by steam distillation from nine plant species naturally grown in turkish forests were tested at three different concentrations to evaluate their effectiveness against the larvae of pine processionary moth (thaumetopoea pityocampa schiff). the results indicated that the essential oils from the nine species and sulfate turpentine were effective against the larvae of t pityocampa. the most effective essential oil in the control of the larva ... | 2004 | 14971685 |
[lavandula officinalis l., the lavender]. | 1951 | 14833902 | |
suppression of tumor necrosis factor-alpha-induced neutrophil adherence responses by essential oils. | in aromatherapy, essential oils are used as anti-inflammatory remedies, but experimental studies on their action mechanisms are very limited. | 2003 | 14668091 |
anti-inflammatory and analgesic properties of the leaf extracts and essential oil of lavandula angustifolia mill. | extracts obtained from the leaves of lavandula angustifolia mill. (lamiaceae) are used in iranian folk medicine as remedies for the treatment of various inflammatory diseases. for evaluation of its probable analgesic and anti-inflammatory effects, hydroalcoholic extract, polyphenolic fraction and essential oil of the leaves of the herb were prepared and their analgesic effects were studied in mice using formalin and acetic acid-induced writhing tests. carrageenan test in rats was used for assess ... | 2003 | 14522434 |
constancy of characteristics in the streptomycetes. | sanchez-marroquin, a. (university of mexico, méxico d.f.). constancy of characteristics in the streptomycetes. j. bacteriol. 83:1183-1192. 1962.-a total of 150 streptomyces strains isolated from soil was studied during a 3-year period in regard to constancy and variation of the following characteristics: sporophore micromorphology, color of the aerial and substrate mycelium, surface configuration of the spores, assimilation of carbon compounds, production of h(2)s and melanoid pigment, and reduc ... | 1962 | 14496763 |
recessive "lavender" in the muscovy duck. | 1962 | 13908391 | |
the sedative effects and mechanism of action of cedrol inhalation with behavioral pharmacological evaluation. | it has been reported that cedarwood oil has sedative effects when inhaled. in this study, we evaluated sedative effects of inhaled cedrol, which is a major component of cedarwood oil. accumulative spontaneous motor activity was significantly decreased in the cedrol-exposed wistar rats. similar results were confirmed in caffeine-treated wistar rats, spontaneously hypertensive rats (shr), and ddy mice. in addition, exposure to cedrol prolonged pentobarbital-induced sleeping time in wistar rats. to ... | 2003 | 12898420 |
laboratory evaluation of some plant essences to control varroa destructor (acari: varroidae). | this research was conducted to evaluate acaricidal effects of some plant essences on varroa mites and the possibility of their usage for varroa control. first, live varroa mites were obtained from adult honeybees with co2 in a newly designed apparatus. thyme, savory, rosemary, marjoram, dillsun and lavender essences at concentrations of 2 and 1 g/100 g (w/w), caused a mite mortality rate of more than 97% and 95%, respectively. also spearmint at 2 g/100 g was able to kill more than 97% of varroa ... | 2002 | 12797407 |
anti-aspergillus activities of plant essential oils and their combination effects with ketoconazole or amphotericin b. | the essential oils from cedrus atlantica, styrax tonkinensis, juniperus communis, lavandula angustifolia, melaleuca alternifolia, pelargonium graveolens, pogesternon patchouli and rosmarinus officinalis were analyzed by gc-ms. antifungal activities of the oils were investigated by disk diffusion assay and the broth dilution method against aspergillus niger and a. flavus. the effects of geraniol and the essential oil fraction from p. graveolens on the antifungal activity of amphotericin b and ket ... | 2003 | 12785735 |
perillyl alcohol as a chemopreventive agent in n-nitrosomethylbenzylamine-induced rat esophageal tumorigenesis. | perillyl alcohol (poh) is a monoterpene found in lavender, spearmint, and cherries. phase i clinical trials with this agent have shown a favorable toxicity profile and preliminary data indicate some chemotherapeutic efficacy in advanced cancers. animal studies have demonstrated the ability of poh to inhibit tumorigenesis in the mammary gland, liver, and pancreas. although the precise mechanism of action is unclear, poh has been shown to inhibit the farnesylation of small g-proteins, including ra ... | 2003 | 12750258 |
naturopathic treatment for ear pain in children. | otitis media is 1 of the most frequent diseases of early infancy and childhood and 1 of the most common reasons for children to visit a physician. in the past 2 decades, there has been a substantial increase in the diagnosis of otitis media worldwide. in the united states, 93% of all children have had at least 1 episode of acute otitis media (aom) by 7 years of age. otalgia is the hallmark of aom. most affected children either complain of earache or manifest behavior that the parents interpret a ... | 2003 | 12728112 |
activity of essential oils from mediterranean lamiaceae species against food spoilage yeasts. | the essential oils from aerial parts of melissa officinalis, lavandula angustifolia, salvia officinalis, and mentha piperita were analyzed by gas chromatography and gas chromatography-mass spectrometry. their antimicrobial activities were evaluated against five food spoilage yeasts, torulaspora delbrueckii, zygosaccharomyces bailii, pichia membranifaciens, dekkera anomala, and yarrowia lipolytica. saccharomyces cerevisiae was also used as a reference. the oils were preliminarily screened by a di ... | 2003 | 12696686 |
aromas of rosemary and lavender essential oils differentially affect cognition and mood in healthy adults. | this study was designed to assess the olfactory impact of the essential oils of lavender (lavandula angustifolia) and rosemary (rosmarlnus officinalis) on cognitive performance and mood in healthy volunteers. one hundred and forty-four participants were randomly assigned to one of three independent groups, and subsequently performed the cognitive drug research (cdr) computerized cognitive assessment battery in a cubicle containing either one of the two odors or no odor (control). visual analogue ... | 2003 | 12690999 |
use of herbal medicine by elderly hispanic and non-hispanic white patients. | to determine the types and prevalence of herbal medicines used by hispanic and non-hispanic white individuals aged 65 years and older. secondary objectives were to compare herbal medicine use according to ethnicity, sex, age, socioeconomic status, and education level, and to determine patients' beliefs about herbal medicines. use of nonphysician health care providers such as acupuncturists and chiropractors also was assessed. | 2003 | 12680482 |
comparison of lavandula angustifolia mill. tincture and imipramine in the treatment of mild to moderate depression: a double-blind, randomized trial. | depression is a major health problem and is not only underrecognized and undertreated but is associated with significant morbidity and mortality. lavandula angustifolia mill. (lamiacae) is used to treat depression. many medicinal plant textbooks refer to this indication, whereas there is no evidence-based document. our objective was to compare the efficacy of tincture of l. angustifolia with imipramine in the treatment of mild to moderate depression and to evaluate the possible adjuvant effect o ... | 2003 | 12551734 |
repellent activities of essential oils and monoterpenes against culex pipiens pallens. | essential oils of eulcalyptus globulus, lavender officinalis, rosemarinus officinalis, and thymus vulgaris were examined for their repellent activities against culex pipiens pallens. all 4 essential oils effectively repelled adult mosquitoes on hairless mice. essential oil of t. vulgaris (thyme) had potent repellent activity within the tested materials, with a protection rate of 91% at a concentration of 0.05% topical treatment. thyme essential oil significantly extended the duration of protecti ... | 2002 | 12542193 |
efficacy and safety of herbal stimulants and sedatives in sleep disorders. | world-wide use of herbal medicines is increasing, following regulatory and manufacturing developments. herbs are attractive alternative medications to many patients with sleep disorders, who may be averse to using conventional drugs. we review here the most common herbal stimulants and sedatives. caffeine, in herbal teas, black tea, coffee, soft drinks and pharmaceuticals, is used widely to control sleepiness, but more research is needed on its use in sleep disorders. ephedra, and its constituen ... | 2000 | 12531167 |
detecting concentration differences in aromatic oils. | 200 university of wolverhampton undergraduates rank-ordered samples of aromatic oils commonly used in complementary medicine in terms of their concentration in the air above an oil-soaked cotton ball. each participant was assigned the task of discriminating between 5 microl, 10 microl, and 20 microl of oil absorbed onto cotton balls. 25 participants assessed each oil, and 8 oils were used. cardamom, rosemary, and ylang ylang were highly discriminable; however, discrimination of different concent ... | 2002 | 12509173 |
the effects of aqueous extract of lavandula angustifolia flowers in glutamate-induced neurotoxicity of cerebellar granular cell culture of rat pups. | in the present study, neuroprotective effect of lavandula angustifolia flower aqueous extract in glutamate-induced neurotoxicity in rat pups cerebellar granular cell culture was investigated. the extract at doses of 10 microg ml(-1), 100 microg ml(-1), 1 mg ml(-1) and 10 mg ml(-1) was applied to culture flasks. the extract at doses of 100 microg ml(-1) and 1 mg ml(-1) significantly blocked glutamate-induced neurotoxicity, with the most effective dose being 1 mg ml(-1). on the other hand, 10 mg m ... | 2003 | 12499081 |
comparison of different extraction methods for the analysis of fragrances from lavandula species by gas chromatography-mass spectrometry. | various sampling techniques including solid-phase trapping solvent extraction (spte), headspace solid-phase microextraction (hs-spme), reduced pressure steam distillation (rpsd) and simultaneous steam distillation-solvent extraction (sde) were compared for the gas chromatography-mass spectrometry of the fragrances from the lavandula species. linalyl acetate (35.44%) and linalool (18.70%) were predominant components of hidcote lavender samples obtained by spte whereas those levels were 2.63-4.04 ... | 2002 | 12489854 |
jasmine absolute (jasminum grandiflora l.) and its mode of action on guinea-pig ileum in vitro. | jasmine (jasminum grandiflorum l.) is used in aromatherapy as a holistic treatment for apathy, hysteria, uterine disorders and childbirth, muscle relaxation and coughs. its stimulant nature, on inhalation, has been shown both in animals and man. jasmine has a spasmolytic activity on guinea-pig ileum and rat uterus in vitro. the mechanism of action of the spasmolytic activity, studied in vitro using a guinea-pig ileum smooth muscle preparation, was postsynaptic and not atropine-like. the spasmoly ... | 2002 | 12203263 |
aerosolized essential oils and individual natural product compounds as brown treesnake repellents. | chemical irritants useful as repellents for brown treesnakes (boiga irregularis) were identified. exposure to various compounds produced a range of intensities for locomotory behavior in snakes. essential oils comprised of 10 g liter-1 solutions of cedarwood, cinnamon, sage, juniper berry, lavender and rosemary each were potent snake irritants. brown treesnakes exposed to a 2-s burst of aerosol of these oils exhibited prolonged, violent undirected locomotory behavior. in contrast, exposure to a ... | 2002 | 12192901 |
determination of antioxidant potential of volatile extracts isolated from various herbs and spices. | antioxidant activities of volatile extracts isolated from thyme, basil, rosemary, chamomile, lavender, and cinnamon were evaluated by two independent assays: the aldehyde/carboxylic acid assay and the conjugated diene assay. the volatile extracts were prepared from dried herbs and spices using liquid-liquid continuous extraction following steam distillation under reduced pressure (55 degrees c and 95 mmhg). the antioxidant activities of the extracts decreased in the following order in both of th ... | 2002 | 12166987 |
[repellent activity against aedes aegypti (l.) of formulas based on natural vegetable extracts or synthetic active agents]. | a comparison of 5 commercial mosquito repellents was made on adult male and female volunteers in laboratory trials. the products tested in forms of cream or lotion included 4 natural oil formulations (containing citronella, clover, eucalyptus, geranium, lavender, peppermint, sandalwood, thyme, etc.) and 1 synthetic chemical repellent containing 10% kbr 3023). natural oil products showed essentially poor or no repellency against ae, aegypti: the protection times were less than or equal to 1 hour. ... | 2002 | 12162118 |