disseminated infection by fusarium moniliforme during treatment for malignant lymphoma. | disseminated infection caused by fusarium moniliforme is described in a 32-year-old granulocytopenic man with malignant lymphoma being treated with cytotoxic drugs and corticosteroids. infected skin denuded by antecedent severe varicella-zoster infection was the probable source of fungemia. f. moniliforme grows rapidly on common mycological media as a lavender- to violet-colored mold at 25 to 37 degrees c. its aerial hyphae produce fusoid macroconidia and characteristic fusiform microconidia in ... | 1978 | 670381 |
the pleasantness of mixtures in taste and olfaction. | human subjects rated the perceived intensity and pleasantness of taste mixtures (sucrose-quinine) and odor mixtures (lemon-heptanal or pyridine-lavender). the components of the mixture were judged as less intense when mixed than when judged alone. a multiple regression indicated that the pleasantness of a mixture can be predicted from a weighted additive function of the pleasantness values of the component sensations. pleasantness values of the componetns had to be estimated from their pleasantn ... | 1977 | 887952 |
interactions between azotobacter and "phosphobacteria" and their establishment in the rhizosphere as affected by soil fertility. | the effects on plant growth of "bacterial fertilizers" prepared from azotobacter spp. and phosphate-solubilizing bacteria ("phosphobacteria") have been the subject of much controversy. cases where no plant-growth stimulation occurred may often be accounted for by the failure to establish the bacterial inocula in the rhizosphere. three factors that may influence inocula establishment, i.e. soil fertility, manuring, and interactions between azotobacter and "phosphobacteria," were examined in pot e ... | 1975 | 1164695 |
viability and acrosome staining of bull, boar and rabbit spermatozoa. | a practical and reliable staining procedure was developed to distinguish the viability and acrosomal status of bull, boar and rabbit spermatozoa. the first stain with trypan blue or congo red is rapid and avoids artifacts. this stain is precipitated by neutral red during the 2 min required for fixation. the precipitate gives a high contrast black color, resistant to the subsequent rinsing and persists during the time required for staining the acrosome with giemsa. ten classes of spermatozoa are ... | 1992 | 1377502 |
aromatherapy: evidence for sedative effects of the essential oil of lavender after inhalation. | the sedative properties of the essential oil of lavender (lavandula angustifolia miller) and of its main constituents--linalool and linalyl acetate--were investigated in mice followed up in a series of experimental procedures. the significant decrease in the motility of female and male laboratory animals under standardized experimental conditions is found to be closely dependent on the exposure time to the drugs. nevertheless after an injection of caffeine into mice a hyperactivity was observed ... | 1991 | 1817516 |
[the effect of waxes from essential-oil plants on the dehydrogenase activity of the blood neutrophils in mucosal trauma of the mouth]. | the author has demonstrated the effects of sage wax and a mixture of sage, rose, and lavender was on the peripheral blood neutrophil succinate and lactate dehydrogenase activities in injuries to the buccal mucosa on days 3, 7, and 30 of the experiment. cytochemical analysis has confirmed a manifest antiinflammatory effect of a mixture of sage, rose, and lavender wax in such injuries. | 1991 | 2057940 |
[effect of essential oils on the course of experimental atherosclerosis]. | the effect of volatile oils of lavender, monarda, and basil on the course of experimental atherosclerosis was studied in rabbit experiments. inhalation of the volatile fractions of essential++ oils of lavender and monarda in a concentration of 0.1-0.2 mg/m3 of air has no effect on the content of cholesterol in the blood, but reduces its content in the aorta and reduces affection of the aorta by the atherosclerotic plaques, i.e. these oils produce an angioprotective effect. | 1990 | 2293166 |
microbiology and potential virulence of sporothrix cyanescens, a fungus rarely isolated from blood and skin. | sporothrix cyanescens has been recovered from blood and a finger lesion at several medical centers in the united states. the morphology and physiology of these and three additional isolates were studied. s. cyanescens was distinguished from s. schenckii and s. fungorum by white to lavender colonial pigmentation and from s. schenckii also by the formation of secondary conidia. all isolates of s. cyanescens grew well at 37 degrees c, were cycloheximide susceptible, strongly urease positive, and be ... | 1990 | 2351719 |
lycramine brilliant blue jl: a new stain for human megakaryocytes. | using the acrylic textile dye lycramine brilliant blue jl, mature and immature megakaryocytes from human bone marrow specimens stained metachromatically bright lavender. this coloration was not observed in other types of bone marrow cells. after digestion with either diastase or ribonuclease, subsequent staining of marrow specimens did not reveal a significant diminution of the intensity of staining of megakaryocytes. however, after incubation with hyaluronidase followed by staining with lycrami ... | 1985 | 2409643 |
modified toluidine blue o stain for pneumocystis carinii: further evaluation of some technical factors. | a modified toluidine blue o (tbo) stain for pneumocystis carinii cysts was evaluated with regard to the influence of (i) the age and extent of use of the sulfation reagent, (ii) the source of tbo, (iii) the tbo content of the staining solution, and (iv) the amount of tbo present in the alcohol wash solutions. all tbos evaluated, except for a new tbo obtained from roboz surgical instrument co., inc., washington, d.c., produced satisfactory results. each lot of tbo should be quality controlled bef ... | 1988 | 2452828 |
[neurodepressive effects of the essential oil of lavandula angustifolia mill]. | mice swiss are orally given essential oil of lavander diluted at 1/60 in olive oil. sedative effects are observed with some tests (hole board test, four plates test, plus-maze test, potentiation of barbiturate sleeping time). a significant interaction exists with pentobarbital: the sleeping time is increased and the asleeping time shortened. | 1989 | 2488249 |
[ neuro-depressive properties of essential oil of lavender]. | toxicity for albino rats is very low. in mice an anxiolytic effect is exhibited and the pentobarbital evokated sleeping time is increased in animals given essential oil, but this effect disappears if they are administrated during five days. | 1989 | 2575924 |
computerized tridimensional reconstruction of vegetable structures. | by means of a "personal computer", a technique has been worked out for the acquisition and processing of data, for the tridimensional reconstruction of vegetable structures starting out from information, in the form of photographic images, obtained by optical or electronic microscope. examples of the application of this program to vegetable drugs (corolla of lavandula angustifolia mill flowers) are given. | 1988 | 3247343 |
methyl green-pyronin stain distinguishes proliferating from differentiated nonproliferating cell nuclei after acid denaturation of dna. | we applied methyl green-pyronin (mg-p) stain, which is usually used for the selective staining of dna and rna, to frozen sections of rat jejunal and esophageal mucosa, following digestion with rnase and treatment with various concentrations of hcl. the pyroninophilia of the nuclei increased with increasing strength of the acid, but the susceptibility of the nuclei to acid differed among cell populations. in the jejunal epithelium, at an appropriate acid strength the nuclei in the crypts of liebe ... | 1986 | 3701031 |
[lavender oil, review of clinical, pharmacological and bacteriologic studies. contribution to clarification of the mechanism of action]. | | 1968 | 5303718 |
on certain central neurotropic effects of lavender essential oil. | | 1970 | 5525703 |
cryptococcus neoformans: pitfalls in diagnosis through evaluation of gram-stained smears of purulent exudates. | the recognition of cryptococcus neoformans in gram-stained smears of purulent exudates may be hampered by the presence of the large gelatinous capsule which apparently prevents definitive staining of the yeast-like cells. in such stained preparations, c. neoformans may appear either as round cells with gram-positive granular inclusions impressed upon a pale lavender cytoplasmic background or as gram-negative lipoid bodies. | 1980 | 6171578 |
the morphological and biochemical characterization of a line of rat promegakaryoblasts. | biochemical and morphological evidence is presented to support the characterization of a rat bone-marrow-derived cell line (rpm) as an analog of the promegakaryoblast. the conditions for in vitro growth and maturation of the rpm line are described. rapid proliferation of the rpm line is readily achieved when cultures are supplemented with moderate levels of fetal bovine serum (fbs). the proliferative compartment is a small blast-like cell. immunofluorescent staining demonstrates that the rpm cel ... | 1981 | 6786390 |
rapid screening test for sulfamethazine in swine feeds. | a simple, 10-min qualitative screening test for sulfamethazine (sm) in swine feeds is detailed. the method, which can be run in the field, uses 2 plastic tubes arranged piggyback style. the upper tube contains, from top to bottom, the feed sample (about 1 g), partially deactivated alumina, and an anion exchange resin buffered at ph 5.7. the bottom tube contains a small bed of anion exchanger buffered at ph 7.9, which traps the sm. after percolation of solvent from the ph 7.9 resin and is reacted ... | 1982 | 7096253 |
acaricidal agents of natural origin against psoroptes cuniculi. | lavandula angustifolia miller essential oil and some of its main constituents, i.e. linalool, linalyl acetate, and camphor were tested in vitro for their bioactivities against psoroptes cuniculi (delafond, 1859), mite of the rabbit. the essential oil and linalool were found to have very powerful miticidal activities. | 1994 | 7637996 |
biotin biosynthesis in higher plant cells. identification of intermediates. | biotin biosynthesis was investigated in lavender cell cultures (lavandula vera l.). two different biological assays and two different hplc procedures were used to identify all the intermediates involved in biotin biosynthesis. the pathway for biotin biosynthesis could be analyzed starting with [3h]pimelic acid as precursor, leading to labelled biotin and even to labelled biotinylated enzymes. intermediates known from the bacterial pathway (7-oxo-8-amino-pelargonic acid, 7,8-diamino-pelargonic ac ... | 1993 | 8223585 |
aromatherapy. | jane buckle presents the results of a randomised, double-blind trial of two essential oils of two different species of lavender, topically applied on post-cardiotomy patients. the emotional and behavioural stress levels of 28 patients were evaluated pre- and post-treatment on two consecutive days. the therapeutic effects of the two lavenders appeared to be different: one was almost twice as effective as the other, thereby disproving the hypothesis that aromatherapy, using topical application of ... | 1993 | 8321672 |
labiatae allergy: systemic reactions due to ingestion of oregano and thyme. | there are no cases described in the medical literature of systemic allergic reactions due to oregano (origanum vulgare) or thyme (thymus vulgaris). these herbs belong to the lamiaceae (labiatae) family which comprises other plants such as hyssop (hyssopus officinalis), basil (ocimum basilicum), marjoram (origanum majorana), mint (mentha piperita), sage (salvia officinalis) and lavender (lavandula officinalis). | 1996 | 8630713 |
chemoprevention of colon carcinogenesis by dietary perillyl alcohol. | epidemiological studies suggest that consumption of diets containing fruits and vegetables, major sources of phytochemicals and micronutrients, may reduce the risk of developing cancer of the colon. several phytochemicals and micronutrients present in fruits and vegetables are known to exert cancer-chemopreventive effects in several organs, including the colon. monoterpenes such as d-limonene and perillyl alcohol derived from orange peels and lavender, respectively, have been shown to possess ch ... | 1997 | 9012468 |
a preliminary study of the effect of essential oils on skeletal and smooth muscle in vitro. | the pharmacological activity of nine commercial essential oils was studied on the rat isolated phrenic nerve diaphragm preparation and compared with activity on field-stimulated guinea-pig ileum preparations. the essential oils at final bath concentrations of 2 x 10(-5) and 2 x 10(-4) g/ml produced four different effects on skeletal muscle, whilst only a contracture with or without a decrease in response to field stimulation in smooth muscle. the first type of effect on skeletal muscle involved ... | 1997 | 9421254 |
are recruitment patterns of the trunk musculature compatible with a synergy based on the maximization of endurance? | to verify that maximization of endurance is important among the functional criteria determining trunk muscle activation patterns, symmetric and asymmetric exertions were simulated using a detailed model consisting of 114 muscle slips crossing the lumbosacral junction and employing a cost function which maximizes endurance. first, the question whether meaningful comparisons can be made between activity predictions for individual muscle slips and surface emg data recorded from larger anatomical en ... | 1997 | 9456376 |
chemopreventive effect of perillyl alcohol on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone induced tumorigenesis in (c3h/hej x a/j)f1 mouse lung. | this study was designed to test the chemopreventive potential of perillyl alcohol, an inhibitor of farnesyltransferase, in a mouse lung tumor bioassay. perillyl alcohol is a naturally occurring monoterpene found in lavender, cherries, and mint. we have shown previously that the majority of lung tumors in this bioassay have an activating mutation in the k-ras gene, which occurs early in the development of mouse lung carcinogenesis. the ras protein undergoes a series of post-translational modifica ... | 1997 | 9591189 |
[phytochemical evaluation of essential oils, medicinal plants and their preparations]. | a surway is presented on the authors' work in the field of volatile oil research. the gas chromatographic method previously used for analysis of essential oils was transformed to capillary gas chromatographic conditions. the method is also suitable for separation of compound-pairs frequently occurring in essential oils (peppermint, rosemary, lavender, sage, clary sage, thyme oils). beside the gas chromatographic analysis of essential oils, which was necessary for their standardization and qualif ... | 1998 | 9703700 |
effects of lavender straw on stress and travel sickness in pigs. | to observe pigs during road journeys in order to establish whether lavender straw was likely to decrease stress and incidence of travel sickness. | 1998 | 9764765 |
randomized trial of aromatherapy. successful treatment for alopecia areata. | to investigate the efficacy of aromatherapy in the treatment of patients with alopecia areata. | 1998 | 9828867 |
antisporulating and respiration-inhibitory effects of essential oils on filamentous fungi. | sporulation of four species of filamentous fungi, namely aspergillus fumigatus, fusarium solani, penicillium expansum and rhizopus oryzae, was suppressed by gaseous contact with citron, lavender and thyme oils and, to a lesser extent, by that of perilla and tea tree oils. lemongrass and cinnamon bark oils were scarcely active. the antisporulating effect of the essential oils was not observed when they were applied as a solution, indicating that their vapours were the active form. moreover, expos ... | 1998 | 9916464 |
olfaction and hemispheric asymmetry: unilateral stimulation and bilateral electrodermal recordings. | the study of hemispheric asymmetry in olfaction in human subjects has given rise to many publications, but the findings have often been contradictory. this study used bilateral electrodermal activity recordings with unilateral stimulation as a measure of functional hemispheric asymmetry. a specific odorant (lavender) was used by monorhinic (single nostril) stimulation on 30 dextral subjects (20 females and 10 males). intraindividually, the results showed no difference between the two nostrils, b ... | 1999 | 10087461 |
lavender oil inhibits immediate-type allergic reaction in mice and rats. | we studied the effects of lavender oil on mast cell-mediated immediate-type allergic reactions in mice and rats. lavender oil (1:500, 1:100, 1:10, 1:1, 1:0) inhibited concentration-dependently mast cell-dependent ear swelling response induced by compound 48/80 in mice by both topical and intradermal application. lavender oil (1:500, 1:100, 1:10, 1:1, 1:0) inhibited concentration-dependently passive cutaneous anaphylaxis induced by anti-dinitrophenyl (dnp) ige in rats by both topical and intrader ... | 1999 | 10217323 |
gas chromatographic-mass spectrometric analysis of perillyl alcohol and metabolites in plasma. | perillyl alcohol (poh), a metabolite of d-limonene and a component of the lavender oil, is currently in phase i clinical trials both as a chemopreventative and chemotherapeutic agent. in vivo, poh is metabolized to less active perillic acid (pa) and cis- and trans-dihydroperillic acids [dhpa, 4-(1'-methylethenyl)-cyclohexane-1-carboxylic acid]. previous pharmacokinetic studies using a gc-ms method detected poh metabolites but not poh itself; thus these studies lacked information on the parent dr ... | 1999 | 10379660 |
odors: implicit memory and performance effects. | in order to assess the influence of odors on human performance and implicit memory for odors, 108 subjects completed a variety of tests in weakly scented (jasmine, lavender or odorless) rooms without having been made aware of the odor. after a 30 min interval the subjects were shown slides of different surroundings, including the room they had been in, and were requested to rate how well a set of 12 odors, including a blank, would fit to these surroundings. half of these contexts contained visua ... | 1999 | 10400450 |
treatment of psoroptic mange with reference to epidemiology and history. | treatment methods in the last century involved the use of substances such as sulphur, mercury, hellebore, arsenic, nicotine and others, applied in various ways. the advent of dips in 1843 signalled an advance. however, the biology of the mite, psoroptes ovis, the epidemiology of sheep scab and the lack of persistence of the acaricides necessitated repeated laborious treatments to ensure success. in 1947 this changed with the use of organo chlorines (ocs) which had up to 3 months residual activit ... | 1999 | 10423001 |
studies on the mode of action of the essential oil of lavender (lavandula angustifolia p. miller). | lavender (lavandula angustifolia, p. miller) is used in aromatherapy as a holistic relaxant and is said to have carminative, antiflatulence and anticolic properties. its sedative nature, on inhalation, has been shown both in animals and man. lavender has a spasmolytic activity on guineapig ileum and rat uterus in vitro and it also decreases the tone in the skeletal muscle preparation of the phrenic nerve-diaphragm of rats. as the mechanism of action has not been studied previously, the spasmolyt ... | 1999 | 10479772 |
alteration of perceived fragrance of essential oils in relation to type of work: a simple screening test for efficacy of aroma. | the perceptional change of fragrance of essential oils is described in relation to type of work, i.e. mental work, physical work and hearing environmental (natural) sounds. the essential oils examined in this study were ylang ylang, orange, geranium, cypress, bergamot, spearmint and juniper. in evaluating change in perception of a given aroma, a sensory test was employed in which the perception of fragrance was assessed by 13 contrasting pairs of adjectives. scores were recorded after inhaling a ... | 1999 | 10480677 |
a simple method for testing odor detection and discrimination in chicks. | a simple procedure for testing newly hatched chicks' responses to olfactory stimuli is described. chicks that were hand held under a heatlamp became inactive and closed their eyes (as if asleep) within 2 min. sleeping chicks displayed overt behavioral responses to an odorized q-tip (head shaking, beak clapping) that were not observed in awake chicks. sleeping latencies were shorter for 1-day-old chicks that had been food deprived prior to testing than for chicks that had ad lib access to food an ... | 1999 | 10497967 |
protective effects of the aerial parts of salvia officinalis, melissa officinalis and lavandula angustifolia and their constituents against enzyme-dependent and enzyme-independent lipid peroxidation. | the antioxidant effects of aqueous methanolic extracts from three medicinal lamiaceae species were investigated in enzyme-dependent and enzyme-independent lipid peroxidation systems. all these extracts caused a considerable concentration-dependent inhibition of lipid peroxidation. phenolic components present in the plant extracts were evaluated for antioxidant activity and were found effective in both tests. their concentrations in each extract were determined by tlc-densitometry. | 1999 | 10532875 |
tissue culture based screening for selection of high biomass and phenolic producing clonal lines of lavender using pseudomonas and azetidine-2-carboxylate. | lavender is a good source of essential oils and phenolic metabolites for food, medicine, and cosmetic applications. due to cross-pollination, lavender has substantial plant to plant variation and therefore a high degree of genetic inconsistency in the level of phytochemicals produced for diverse applications. tissue culture methods, using benzyladenine-induced shoot organogenesis, were used to isolate clonal lines originating from individual heterozygous seeds among a heterogeneous seed populati ... | 1999 | 10552590 |
local anaesthetic activity of the essential oil of lavandula angustifolia. | in this work we studied the local anaesthetic activity of the essential oil obtained from lavandula angustifolia mill., a medicinal plant traditionally used as an antispasmodic. we compared its activity to the essential oils obtained from two citrus fruits, citrus reticulata blanco and citrus limon (l.) burm. f., which have no medical uses. biological tests were also performed on the major pure components of l. angustifolia mill. essential oil: linalol and linalyl acetate as determined by gc and ... | 1999 | 10630108 |
[the effect of aromatic plant substances on the status of oxidative-reductive enzymes in a chronic experiment]. | in chronic experiment (during 3 months) was studied the influence of various vegetable aromatic substances (vas) contents in the air upon oxidative-restoration enzymes activity in experimental animals (wistar line male rats). on the base these experiments' results may be made a conclusion that the lack of vas in the air involves changes in the most important enzymes of glycolysis and pentosophosphatic cycle. provision of the atmosphere with essential lavender oil in concentration 0.58 mg/m3 (nat ... | 1999 | 10687081 |
identification of flavonoid markers for the botanical origin of eucalyptus honey. | european eucalyptus honeys showed a common and characteristic hplc profile in which the flavonoids myricetin (3,5,7,3',4', 5'-hexahydroxyflavone), tricetin (5,7,3',4',5'-pentahydroxyflavone), quercetin (3,5,7,3',4'-pentahydroxyflavone), luteolin (5,7,3', 4'-tetrahydroxyflavone), and kaempferol (3,5,7, 4'-tetrahydroxyflavone) were identified. their contents, and relative amounts, in the analyzed honey samples were quite constant and supported their floral origin. in addition, ellagic acid and the ... | 2000 | 10820049 |
inhibitory effect of essential oils on apical growth of aspergillus fumigatus by vapour contact. | the inhibitory effect of seven essential oils on the apical growth of hyphae of aspergillus fumigatus was studied using a bio cell tracer by vapour contact in a sealed vessel. based on the inhibitory pattern, these essential oils were classified into three groups. the first group, composed of citron, lavender and tea tree oils, stopped the apical growth in a loading dose of 63 micrograms ml-1 air, but allowed the regrowth of the hyphae after removal of the vapour, indicating fungistatic action. ... | 2000 | 10838841 |
gc-ms analysis of essential oils from some greek aromatic plants and their fungitoxicity on penicillium digitatum. | the isolated essential oils from seven air-dried plant species were analyzed by gas chromatography-mass spectrometry (gc-ms). thymus vulgaris (thyme), origanum vulgare (oregano), and origanumdictamus (dictamus) essential oils were found to be rich in phenolic compounds representing 65.8, 71.1, and 78.0% of the total oil, respectively. origanum majorana (marjoram) oil was constituted of hydrocarbons (42.1%), alcohols (24.3%), and phenols (14.2%). the essential oil from lavandula angustifolia mill ... | 2000 | 10888587 |
effects of drought on photosynthesis in mediterranean plants grown under enhanced uv-b radiation. | the effects of drought on the photosynthetic characteristics of three mediterranean plants (olive, olea europea l.; rosemary, rosmarinus officinalis l.; lavender, lavandula stoechas l.) exposed to elevated uv-b irradiation in a glasshouse were investigated over a period of weeks. drought conditions were imposed on 2-year-old plants by withholding water. during the onset of water stress, analyses of the response of net carbon assimilation of leaves to their intercellular co2 concentration were us ... | 2000 | 10937707 |
evaluation of massage with essential oils on childhood atopic eczema. | childhood atopic eczema is an increasingly common condition in young children. as well as being irritating to the child, it causes sleepless nights for both the child and the family and leads to difficulties in parental relationships and can have severe effects on employment. a group of eight children, born to professional working mothers were studied to test the hypothesis that massage with essential oils (aromatherapy) used as a complementary therapy in conjunction with normal medical treatmen ... | 2000 | 10960901 |
effects of pleasant and unpleasant ambient odors on human voice pitch. | the perception of odors is well identified as having strong emotional correlates. it is also well known that the acoustic characteristics of the voice differ according to the emotional state. this study compared some acoustic features of the voice of 18 subjects reading the same text in pleasant (lavender) and unpleasant (pyridine) ambient odor conditions. the results revealed that the pitch of the voice was higher in the pleasant than in the unpleasant condition. these findings are consistent w ... | 2001 | 11114485 |
contemporary therapy: aromatherapy in the management of acute pain? | recent surveys indicate that people are increasingly using complementary therapies as an adjunct or alternative to conventional treatment options as well as for general health and well being. whilst complementary therapies such as aromatherapy have been utilised in clinical settings as diverse as long term care facilities and palliative care, its application to the acute care setting has not been explored in depth. the changes in contemporary health care practices such as post-operative pain man ... | 1999 | 11141786 |
daily time course of whole-shoot gas exchange rates in two drought-exposed mediterranean shrubs. | effects of drought on water relations, whole-shoot gas-exchange characteristics, and pigment and zeatin concentrations were investigated in the mediterranean shrubs rosemary (rosmarinus officinalis l.) and lavender (lavandula stoechas l.). two-year-old, greenhouse-grown plants were placed in a whole-shoot gas-exchange measurement system and subjected to 10 days of drought, resulting in severe water stress, and then re-watered for 5 days in order to study their recovery. water stress resulted in ... | 2001 | 11260824 |
evoked and oscillatory neuromagnetic responses to sniffing odor in human subjects. | we studied neuromagnetic responses to sniffing air and odor of lemon, lavender or soy sauce in two human subjects. simple averaging of the data with respect to the onsets of the sniffs yielded odor-specific evoked responses over the right cortex with peak latency about 350 ms after the onsets. when the data were passed through band-pass filters centered around 48 hz and of 320 ms in duration, rectified and then averaged, they yielded peaks, indicating transient oscillations, over the right front ... | 2001 | 11399333 |
on-site field sampling and analysis of fragrance from living lavender (lavandula angustifolia l.) flowers by solid-phase microextraction coupled to gas chromatography and ion-trap mass spectrometry. | solid-phase microextraction coupled to gas chromatography and mass spectrometry has been applied as a simple alternative method for the analysis of essential oil directly from lavender intact flowering spikes and genuine oils. all recognised major oil constituents were detected by this procedure, with results comparable to those given by a conventional method (organic solvent extraction). distinctive chromatographic profiles were found for various species. | 2001 | 11403476 |
in-vitro and in-vivo anti-trichophyton activity of essential oils by vapour contact. | the minimum inhibitory doses (mids) of essential oils by vapour contact to inhibit the growth of trichophyton mentagrophytes and trichophyton rubrum on agar medium were determined using airtight boxes. among seven essential oils examined, cinnamon bark oil showed the least mid, followed by lemongrass, thyme and perilla oils. lavender and tea tree oils showed moderate mid, and citron oil showed the highest mid, being 320 times higher than that of cinnamon bark oil. the mid values were less than t ... | 2001 | 11413931 |
alleviating effects of plant-derived fragrances on stress-induced hyperthermia in rats. | in the present study, the effects of exposure to plant-derived odors on the autonomic and behavioral responses to novel environment were examined in rats. male rats (n=42) carrying a telemetry transmitter were individually housed, and on the test day each rat was transferred to a new cage containing bedding that had been sprayed immediately before testing with 200 microl of 0.03% dilution of either lavender essential oil, green leaf odor (a mixture of hexenol and hexenal), alpha-pinene, or solve ... | 2002 | 11897262 |
essential oils from micropropagated plants of lavandula viridis. | the essential oils of lavandula viridis were analysed by gc and gc-ms. comparisons were made between three types of plant material from the same clone: field-grown plant, in vitro shoot cultures and micropropagated plants of the same clone. the most common components usually found in lavender oils were present in the oil samples analysed and more than 45 constituents were identified, representing more than 80% of the essential oil. the essential oils analysed consisted mainly of monoterpenes (75 ... | 2002 | 11899605 |
[quality evaluation of essential oils]. | essential oils on the market were analyzed using gc-ms and the main ingredients of each essential oil were quantified. analysis of the essential oil of lavandula officinalis (lavender oil) showed that each sample had a different ratio of the contents of main ingredients, such as linalool, linalyl acetate, and camphor. in addition, some commercial lavender oils were analyzed by gc-ms for comparison with the lavandula flagrans (lavandin oil) and the reference standard. as a result of this analysis ... | 2002 | 11905050 |
candida glabrata oropharyngeal candidiasis in patients receiving radiation treatment for head and neck cancer. | candida glabrata colonization is common in patients receiving radiation treatment for head and neck cancer, but to our knowledge has never been described as the infecting organism with oropharyngeal candidiasis (opc). this study presents the first three patients described with c. glabrata opc in this patient population. patient 1 developed c. glabrata opc and required fluconazole, 800 mg/day, for clinical resolution. antifungal susceptibility testing revealed a mic of fluconazole of >64 microg/m ... | 2002 | 11980984 |
testing homology of loci for two plumage colors, "lavender" and "recessive white," with chicken and japanese quail hybrids. | homology for two plumage color loci was studied by hybridization between chickens and japanese quail. first, chicken-quail hybrids were produced from homozygous "lavender" chicken cocks and "bleu" japanese quail, and all 30 hybrids had the same parental slate blue plumage color. on the other hand, no hybrids with this plumage were obtained out of 18 progeny from the same cocks and wild-type quail. these results show that the slate blue plumage color is determined by homologous loci in japanese q ... | 2002 | 12011184 |
[diuretic activity of the infusion of flowers from lavandula officinalis]. | the diuretic activity of an infusion of lavandula officinalis was studied in the wistar rat. thus, the kinetics of hydroelectrolytic elimination in response to the oral administration of an infusion of pharmaceutical lavender flowers were measured in the rats. experiments were completed under similar conditions using a synthetic pharmacological diuretic, diamox. the aqueous extract of this aromatic plant accelerated the elimination of the water overload. at the peak of the diuretic response, uri ... | 2001 | 12014366 |
morphology, cytochemical staining and ultrastructural characteristics of reindeer (rangifer tarandus) leukocytes. | peripheral blood smears from four adult reindeer (rangifer tarandus) were examined after staining with romanowsky's stain and cytochemical stains, including alpha-napthyl butyrate esterase (alpha-nbe), sudan black b (sbb), chloroacetate esterase (cae) and alkaline phosphatase (alp). romanowsky-stained eosinophils, neutrophils, lymphocytes and monocytes resembled those of cattle, sheep and goats. basophils had two different staining patterns with romanowsky's stain. basophils that we termed "grey ... | 1999 | 12075531 |
the calming effect of stimuli presentation on infant japanese macaques (macaca fuscata) under stress situation: a preliminary study. | in human newborns, presentation of sounds and odors under stress situations had a calming effect on behavioral and cortisol responses (kawakami et al., 1996, 1997). these calming effects were examined with 10-day- and 15-day-old japanese macaques. in study 1, white noise presentation (experimental conditions) at the blood sampling was compared with no sound presentation (control conditions) at the blood sampling. white noise presentation has a calming effect on coded behavioral responses. in stu ... | 2002 | 12091749 |
biological activities of lavender essential oil. | essential oils distilled from members of the genus lavandula have been used both cosmetically and therapeutically for centuries with the most commonly used species being l. angustifolia, l. latifolia, l. stoechas and l. x intermedia. although there is considerable anecdotal information about the biological activity of these oils much of this has not been substantiated by scientific or clinical evidence. among the claims made for lavender oil are that is it antibacterial, antifungal, carminative ... | 2002 | 12112282 |
[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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
recessive "lavender" in the muscovy duck. | | 1962 | 13908391 |
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 |
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 |
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 |
[lavandula officinalis l., the lavender]. | | 1951 | 14833902 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
[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 |
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 |
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 |
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 |
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 |
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 |
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 |