| inhibition by the essential oils of peppermint and spearmint of the growth of pathogenic bacteria. | the effects of the, essential oils of peppermint (mentha piperita l.), spearmint mentha spicata l.) and japanese mint (mentha, arvensis l.), of four major constituents of the esssential oil of peppermint, and of three major constituents of the essential oil of spearmint, on the proliferation of helicobacter pylori, salmonella enteritidis, escherichia coli o157:h7, methicillin-resistant staphylococcus aureus (mrsa) and methicillin sensitive staphylococccus aureus (mssa) were examined. the essent ... | 2001 | 11549238 |
| [studies on the medicinal plant in the "sambutsu-cho" of bungo province possessed by the kumamoto clan (ii); studies on the medicinal herbs]. | in the previous report, i studied the medicinal trees contained in the sambutsu-cho of the kumamoto clan in bungo province. in this report, i studied the medicinal herbs contained in the same book. there were 259 names in the herbal part. i identified 156 species and found 103 species as the medicinal plants. the ratio of the medicinal plants was 66%. the famous medicinal plants were as follows: atractilodes japonica, platycodon gradiflorum, mentha arvensis var. piperascens, lisospermum erythror ... | 1992 | 11639706 |
| altered oral absorption of alcohol by combined aqueous extracts of four herbal plants in rats. | this study examined the effect of combined aqueous extracts (bhr) of ginko biloba, mentha arvensis var. piperascens, citrus unshiu, and pueraria lobata var. chinensis on oral absorption of alcohol in rats. the rats were pretreated with bhr, placebo solution identical to bhr without the herbal extract, and isotonic saline. alcohol was administered orally at 1- and 3-g/kg doses and the absorption profiles were compared. after oral administration of 1-g/kg doses, mean area under the curve (auc) and ... | 2005 | 16326435 |
| contact and fumigant toxicity of oriental medicinal plant extracts against dermanyssus gallinae (acari: dermanyssidae). | the acaricidal activity of methanolic extracts from 40 oriental medicinal plant species and a steam distillate of cinnamomum camphora towards poultry house-collected adult dermanyssus gallinae de geer was examined using direct contact and vapour phase toxicity bioassays. results were compared with those of 15 acaricides currently used. in filter paper contact toxicity bioassays using adult d. gallinae, c. camphora steam distillate (0.0051 mgcm(-2)) was the most toxic material, followed by extrac ... | 2007 | 17289270 |
| elucidation of danzhixiaoyao wan and its constituent herbs on antioxidant activity and inhibition of nitric oxide production. | danzhixiaoyao wan (dw) is a common 10 herbs formulation in china for regulating several clinical conditions affecting women. this research tried to explain one of dw's functions, purging heat, using in vitro pharmacological analyses. the whole formulation and each single herb of dw were compared based on antioxidant activity with the oxygen radical absorbance capacity (orac) assay, and for their inhibitory effect (ie) on nitric oxide (no) production by lipopolysaccharide (lps)-activated raw 264. ... | 2007 | 18227909 |
| traditional chinese medicine for atopic eczema: pentaherbs formula suppresses inflammatory mediators release from mast cells. | pentaherbs formula (phf) containing cortex moutan, root bark of paeonia suffruticosa andr. (ranunculaceae), cortex phellodendri, bark of phellodendron chinensis schneid. (rutaceae), flos lonicerae, flower of lonicera japonica thunb. (capri-foliaceae), herba menthae, aerial part of mentha haplocalyx briq. (labiatae) and rhizoma atractylodis, rhizome of atractylodes lancea (thunb.) dc. (compositae) at the ratio of 2:2:2:1:2 was useful in the management of eczema. | 2008 | 18725279 |
| metabolomics study on the anti-depression effect of xiaoyaosan on rat model of chronic unpredictable mild stress. | ethnopharmacology: xiaoyaosan, a famous chinese prescription, composed of poria (poria cocos (schw.) wolf), radix paeoniae alba (paeonia lactiflora pall.), radix glycyrrhizae (glycyrrhiza uralensis fisch.), radix bupleuri (bupleurum chinense dc.), radix angelicae sinensis (angelica sinensis (oliv.) diels), rhizoma atractylodis macrocephalae (atractylodes macrocephala koidz.), herba menthae (mentha haplocalyx briq.), and rhizoma zingiberis recens (zingiber officinale rosc.), has been widely used ... | 2010 | 20079416 |
| yield, content, and composition of peppermint and spearmints as a function of harvesting time and drying. | peppermint ( mentha × piperita l.) and spearmints ('scotch' spearmint, m. × gracilis sole, and 'native' spearmint, mentha spicata l.) are widely grown essential oil crops in more northern latitudes; however, there is limited information on how harvest time and drying influence peppermint and spearmint yield, oil composition, and bioactivity, when grown south of the 41st parallel. in this 2-year study, the effects of harvest time and drying on the yield, oil composition, and bioactivity of pepper ... | 2010 | 20942459 |
| protective effects of mentha haplocalyx ethanol extract (mh) in a mouse model of allergic asthma. | mentha haplocalyx briq., a commonly used herb in traditional oriental medicine, has a variety of known pharmacological properties. however, neither the protective effects of mentha haplocalyx ethanol extract (mh) against inflammation of the airway in an asthmatic model nor the mechanisms involved, have previously been reported. in the present study, an ovalbumin (ova)-induced mouse model of allergic asthma was used to investigate whether mh was effective against the disease through regulation of ... | 2010 | 21108485 |
| [experimental study on anti-influenza virus infection with yinqiao-decoction by orthogonal design]. | to investigate composition principle of yinqiao-decoction through experiment of anti-influenza. | 2010 | 21604566 |
| metabonomic study on chronic unpredictable mild stress and intervention effects of xiaoyaosan in rats using gas chromatography coupled with mass spectrometry. | ethnopharmacology: xiaoyaosan (xys), a famous chinese prescription, composed of radix bupleuri (bupleurum chinense dc.), radix angelicae sinensis (angelica sinensis (oliv.) diels), radix paeoniae alba (paeonia lactiflora pall.), rhizoma atractylodis macrocephalae (atractylodes macrocephala koidz.), poria (poria cocos (schw.) wolf), radix glycyrrhizae (glycyrrhiza uralensis fisch.), herba menthae (mentha haplocalyx briq.), and rhizoma zingiberis recens (zingiber officinale rosc.), has been widely ... | 2011 | 21718771 |
| Corn Mint ( Mentha arvensis ) Extract Diminishes Acute Chlamydia pneumoniae Infection in Vitro and in Vivo. | Corn mint ( Mentha arvensis ) provides a good source of natural phenols such as flavone glycosides and caffeic acid derivatives, which may have prophylactic properties against inflammations. This study investigated whether corn mint extract would be beneficial against a universal respiratory tract pathogen, Chlamydia pneumoniae , infection. The extract inhibited the growth of C. pneumoniae CWL-029 in vitro in a dose-dependent manner. The inhibition was confirmed against a clinical isolate K7. T ... | 2011 | 22073967 |
| a laboratory evaluation of medicinal herbs used in china for the treatment of hand, foot, and mouth disease. | enterovirus 71 (ev71) and coxsackievirus a16 (cva16) are the causative agents of hand, foot, and mouth disease (hfmd). during recent epidemics of hfmd in china, medicinal herbals and preparations containing herbal extracts have demonstrated therapeutic efficacy with relative safety profiles. there have been no microbiological studies to validate their usefulness for hfmd. we selected 12 commonly used herbs for hfmd from government recommended guidelines as well as published reports and tested fo ... | 2013 | 23554831 |
| bacteriology of a most popular street food (panipuri) and inhibitory effect of essential oils on bacterial growth. | bacteriology of panipuri was studied and the antibacterial effect of eight essential oils (eos) was established on pathogens found in panipuri. samples were collected from twelve respective vendors from different locations in baripada city, orissa. samples were fractionated into two parts viz. khatta pani and smashed potato masala used in panipuri. total plate count and isolation of pathogenic bacteria were done on both basal and selective media. coliforms were detected primarily by presumptive ... | 2012 | 24082267 |
| [relative adscriptions of components in the effective fractions of yinqiao decoction and its composing individual herbs]. | hplc and lc-ms/ms were used to establish a comprehensive hplc analytical method of yinqiao decoction and identify the chemical constituents of the whole and individual herbs of yinqiao decoction. ywg-c18 (250 mm x4. 6 mm id, 10 microm) column was used; the mobile phase was composed of acetonitrile (a) and water ( b, with 3% acetic acid) with gradient elution; the flow rate was 1. 0 ml x min(-1) and the column temperature was set up at 25 degrees c. the detection wavelength was 280 nm. the chroma ... | 2007 | 17518050 |
| medicinal and aromatic plant materials as nitrification inhibitors for augmenting yield and nitrogen uptake of japanese mint (mentha arvensis l. var. piperascens). | pot experiments were conducted to evaluate the relative performance of medicinal and aromatic plant materials and dicyandiamide (dcd) as nitrification inhibitors to regulate transformation of n from urea. their effect on the efficiencies of use of n by japanese mint (mentha arvensis cv. hy 77) was tested. urea was coated with these materials viz., mentha spicata, artemisia annua or dcd at the rate of 5% (w/w) of fertilizer urea using an appropriate coating technique. nimin (tetranortriterpenoids ... | 2003 | 12688470 |
| dynamic analysis of the endogenous metabolites in depressed patients treated with tcm formula xiaoyaosan using urinary (1)h nmr-based metabolomics. | xiaoyaosan (xys), one of the best-known traditional chinese medicine prescriptions with a long history of use, is composed of bupleurum chinense dc., paeonia lactiflora pall., poria cocos (schw.) wolf, angelica sinensis (oliv.) diels, zingiber officinale rosc., atractylodes macrocephala koidz., glycyrrhiza uralensis fisch., and mentha haplocalyx briq. for centuries, xys has been widely used in china for the treatment of mental disorders such as depression. however, the complicated mechanism unde ... | 2014 | 25448502 |
| traditional chinese medicine causing hepatotoxicity in patients with chronic hepatitis b infection: a 1-year prospective study. | safety of traditional chinese medicine in patients with chronic hepatitis b is unknown. | 2006 | 17014576 |
| [analysis on quality and differences of mentha haplocalyx from different regions]. | a gas chromatography-mass spectrometry(gc-ms)method was established for the analysis of volatile components in mentha haplocalyx, and seven principal components were quantified by gas chromatography(gc). based on these analyses, the differences of volatile components in m. haplocalyx from jiangsu, anhui and other regions were compared. the results showed that the volatile oil of m. haplocalyx was divided into four chemical types：menthol-menthone type, pulegone-menthone type, piperitone-menthol t ... | 2017 | 29192452 |
| modulation of alveolar macrophage innate response in proinflammatory-, pro-oxidant-, and infection- models by mint extract and chemical constituents: role of mapks. | there is a continuing need for discovering novel primary or adjunct therapeutic agents to treat inflammatory conditions and infections. natural products have inspired the discovery of several modern therapeutics; however, there is a paucity of mechanistic information on their mode of action. this study investigated the therapeutic potential and mode of action of corn mint's (mentha arvensis) leaf extract (me) in alveolar macrophages (ams) challenged with model pro-inflammatory (lps), pro- oxidan ... | 2018 | 29031422 |
| [habitat suitability and quality division of mentha haplocalyx]. | in this study, ecological factors, occurrence records, the essential oil components content were used to predict the potential geographical distribution and quality division of mentha haplocalyx in china based on the maxent modeling and geographic information system(gis). the auc of roc curve was above 0.950,indicating that the predictive results with the maximum model were highly precise. the results showed that the main environmental factors determining the potential distribution were annual a ... | 2016 | 28920366 |
| rapid detection of volatile oil in mentha haplocalyx by near-infrared spectroscopy and chemometrics. | near-infrared spectroscopy combined with partial least squares regression (plsr) and support vector machine (svm) was applied for the rapid determination of chemical component of volatile oil content in mentha haplocalyx. the effects of data pre-processing methods on the accuracy of the plsr calibration models were investigated. the performance of the final model was evaluated according to the correlation coefficient (r) and root mean square error of prediction (rmsep). for plsr model, the best ... | 2017 | 28839369 |
| a comparative study of mentha arvensis l. and mentha haplocalyx briq. by hplc. | we have developed a new method to simultaneously determine five marker compounds in menthae herba via hplc/pda - including hesperidin (1), rosmarinic acid (2), diosmin (3), didymin (4) and buddleoside (5). the newly developed method was successfully used to analyse for two species (mentha arvensis l. and mentha haplocalyx briq.) of menthae herba, and the satisfactory results were obtained from the validation of developed method. the pattern analysis could greatly discriminate between m. arvensis ... | 2018 | 28627244 |
| the phenolic fraction of mentha haplocalyx and its constituent linarin ameliorate inflammatory response through inactivation of nf-κb and mapks in lipopolysaccharide-induced raw264.7 cells. | mentha haplocalyx has been widely used for its flavoring and medicinal properties and as a traditional chinese medicine with its anti-inflammation properties. the present study was designed to investigate the anti-inflammatory effects and potential molecular mechanisms of the phenolic fraction of m. haplocalyx (mhp) and its constituent linarin in lipopolysaccharide (lps)-induced raw264.7 cells. the high-performance liquid chromatography coupled with linear ion trap-orbitrap mass spectrometry (hp ... | 2017 | 28509854 |
| effects of medicinal herbs "plantago asiatica", "houttuynia cordata" and "mentha haplocalyx" on non-specific immune responses of cobia (rachycentron canadum). | this study investigated the effects of orally administered plantago asiatica, houttuynia cordata, and mentha haplocalyx on the growth and nonspecific immune responses of cobia (rachycentron canadum). the nonspecific immune parameters assessed were weight gain, feed conversion ratio, superoxide anion (o2-) production, superoxide dismutase (sod) activity, phagocytic rate, phagocytic index, lysozyme activity, serum albumin and globulin, and albumin:globulin (a/g) ratio. the growth experiment indica ... | 2016 | 27666192 |
| genetic elaborations of glandular and non-glandular trichomes in mentha arvensis genotypes: assessing genotypic and phenotypic correlations along with gene expressions. | mentha arvensis (corn mint) is well known for the production of menthol, a widely used commodity in pharma and flavoring industries and provides natural fragrances and products. glandular trichomes are specialized hairs found on the aerial surface of vascular plants species producing specific secondary metabolite chemistry. correlations were established among trichomes, oil yield, and major secondary metabolites. nine improved, elite cultivars representing different m. arvensis genotypes were us ... | 2017 | 27515313 |
| [effect of drying methods on monoterpenes, phenolic acids and flavonoids in mentha haplocalyx]. | to provide a scientific basis for the selection of the appropriate drying method for mentha haplocalyx herba (mhh), determine 2 monoterpenes, 4 phenolic acids and 5 flavonoids in mhh by gc-ms and uplc-tq-ms methods, and investigate the effects of the drying methods on the changes in contents of these analytes. the qualities of products obtained with different drying methods were evaluated by the multivariate statistical method of technique for order preference by similarity to ideal solution (to ... | 2015 | 27245035 |
| [comparison of essential oil from mentha haplocalyx and menthol used as penetration enhancers]. | the aim of this paper was to investigate and compare the penetration-enhancing characteristics of menthol and essential oil from mentha haplocalyx(m.haplocalyx oil) on the transdermal absorption of the complex traditional chinese medicine(tcm) components. a series of tcm components were selected as model drugs based on their lipophilicity (logp value), namely osthole(ot, logp=3.85), tetramethylpyrazine(tmp, logp=2.34), ferulic acid(fa, logp=1.26), puerarin(pr, logp=-0.35) and geniposide(gp, logp ... | 2016 | 28884549 |
| contact toxicity and repellency of the essential oil from mentha haplocalyx briq. against lasioderma serricorne. | the chemical composition of the essential oil obtained by hydrodistillation from the aerial parts of mentha haplocalyx was investigated by gc-fid and gc/ms analyses. in sum, 23 components, representing 92.88% of the total oil composition, were identified, and the main compounds were found to be menthol (59.71%), menthyl acetate (7.83%), limonene (6.98%), and menthone (4.44%). by bioassay-guided fractionation (contact toxicity), three compounds were obtained from the essential oil and identified ... | 2015 | 26010670 |
| [sex structure and seed productivity of mentha canadensis l. from natural flora of primorye of russia]. | the sex structure and seed productivity of mentha canadensis l. from different climatic regioins of primorye of russia was studied. we established that m. canadensis is characterized by a homogeneous population structure due to the formation of vegetative clones. the ratio of female and androgynous individuals was 1:5, and it is possible that this is a species-specific trait. both sexual forms produced fruits under conditions of isolation from cross-pollination. we discuss the possibility of apo ... | 2016 | 25720285 |
| solubilization of menthol by platycodin d in aqueous solution: an integrated study of classical experiments and dissipative particle dynamics simulation. | menthol (m) and platycodin d (pd) are the main active ingredients in mentha haplocalyx and platycodon grandiflorum a. dc., respectively. they are commonly used in combination in traditional chinese medicine. in this study, laboratory experiments and computer simulations were used to investigate the solubilization of m by pd, which was believed to be one of the main causes of the synergistic effect of m. haplocalyx and p. grandiflorum a. dc. results showed that both the method by which m was adde ... | 2015 | 25615986 |
| differentiation of mint (mentha haplocalyx briq.) from different regions in china using gas and liquid chromatography. | in this study, complex substances such as mint (mentha haplocalyx briq.) samples from different growing regions in china were analyzed for phenolic compounds by high-performance liquid chromatography with diode array detection and for the volatile aroma compounds by gas chromatography with mass spectrometry. chemometrics methods, e.g. principal component analysis, back-propagation artificial neural networks, and partial least squares discriminant analysis, were applied to resolve complex chromat ... | 2015 | 25431171 |
| [molecular identification of mentha haplocalyx and mentha spicata with specific primers multi-pcr system]. | to screen specific snps loci of mentha haplocalyx and mentha spicata,and then specific primers were designed to identify the two species and their mixture rapidly. | 2014 | 25090701 |
| a novel near-infrared spectroscopy and chemometrics method for rapid analysis of several chemical components and antioxidant activity of mint (mentha haplocalyx briq.) samples. | a novel near-infrared spectroscopy (nirs) method has been researched and developed for the simultaneous analyses of the chemical components and associated properties of mint (mentha haplocalyx briq.) tea samples. the common analytes were: total polysaccharide content, total flavonoid content, total phenolic content, and total antioxidant activity. to resolve the nirs data matrix for such analyses, least squares support vector machines was found to be the best chemometrics method for prediction, ... | 2014 | 24480282 |
| effect of different drying methods on the essential oils of mint (mentha haplocalyx). | the essential oils of fresh, shade-dried, sun-dried, and oven-dried mint of mentha haplocalyx brig., and the shade-dried herbs after one hour of soaking were analyzed by gc-ms to provide a scientific basis to regulate the drying methods. fifty-nine compounds were isolated and identified, including 35 from fresh herbs, 25 from shade-dried herbs, 23 from sun-dried herbs, 17 from oven-dried herbs and 48 from shade-dried mint after one hour of soaking. eighteen compounds were common to all five samp ... | 2013 | 24354207 |
| menthol: a simple monoterpene with remarkable biological properties. | menthol is a cyclic monoterpene alcohol which possesses well-known cooling characteristics and a residual minty smell of the oil remnants from which it was obtained. because of these attributes it is one of the most important flavouring additives besides vanilla and citrus. due to this reason it is used in a variety of consumer products ranging from confections such as chocolate and chewing gum to oral-care products such as toothpaste as well as in over-the-counter medicinal products for its coo ... | 2013 | 24054028 |
| [stable life predection for mentha haplocalyx by initial average rate stability test]. | to predict the stable life for mentha haplocalyx. | 2012 | 23397709 |
| novel software-based method to classify structurally similar compounds combined with high performance liquid chromatography-quadrupole time of flight mass spectrometry to identify complex components of herbal medicines. | the components of herbal medicines (hms) are usually extremely complex, belonging to hundreds of compound classes with diverse chemical and physical properties. full characterization of hms is hugely important in order to identify the individual chemical constituents and provide a first step toward determining which components are responsible for the therapeutic effects of a particular medical plant. in this study, a novel software-based approach was developed to classify structurally similar co ... | 2012 | 23062874 |
| [applying dna barcoding technique to identify menthae haplocalycis herba]. | to identify menthae haplocalycis herba and its closely related species using dna barcoding technique. | 2012 | 22779360 |
| new monocyclic monoterpenoid glycoside from mentha haplocalyx briq. | two new monocyclic monoterpenoid glycosides, rel-(1r,2s,3r,4r) p-menthane-1,2,3-triol 3-o-β-d-glucopyranoside (1) and rel- (1s,2r,3s) terpinolene-1,2,3-triol 3-o-β-d-glucopyranoside (2) were isolated from aqueous acetone extract of the aerial parts of mentha haplocalyx briq.. their structures were elucidated through spectral analysis using ms and nmr spectrometers. | 2012 | 22559003 |
| [check valve and non-oxygen microwave assisted extraction of chinese herbs: study of a novel technique for extraction of essential oils]. | a novel green extraction technique of check valve & non-oxygen microwave assisted extraction (cvno-mae) for essential oils extraction was established. cvno-mae is a combination of microwave heating, vacuum pump and check valve, performed at anaerobic environment without added any solvent or water. | 2011 | 22121796 |
| analysis of fresh mentha haplocalyx volatile components by comprehensive two-dimensional gas chromatography and high-resolution time-of-flight mass spectrometry. | fresh mentha haplocalyx is a well known traditional chinese medicinal material (cmm) used in both china and america. this paper reports analysis of the volatile components of fresh mentha haplocalyx by comprehensive two-dimensional gas chromatography (gcxgc) and high-resolution time-of-flight mass spectrometry (hr-tof-ms), a combination that provides almost complete chemical separation with elemental composition determination of analytes. 163 ketones and terpenes, including menthol and menthone, ... | 2011 | 21915401 |
| polyphenolic acids from mint (the aerial of mentha haplocalyx briq.) with dpph radical scavenging activity. | vegetables of mint (the aerial part of mentha haplocalyx) contain a significant amount of polyphenols with many health benefits. the crude aqueous acetone extract exhibited high antioxidant activity (ic(50)= 45.67 mug/ml) in 1,1-diphenyl-2-picrylhydrazyl (dpph) radical scavenging assay. the activity-guided separation of chlorophyll removal fraction on column chromatography afforded 8 polyphenolic acids, including a new compound, cis-salvianolic acid j (1), and 7 known compounds, salvianolic acid ... | 2010 | 20546395 |
| productivity and quality of volatile oil extracted from mentha spicata and m. arvensis var. piperascens grown by a hydroponic system using the deep flow technique. | the purpose of this study was to determine the differences between spearmint (mentha spicata l.) and japanese mint (m. arvensis l. var. piperascens malinv.) cultivated in either soil or nutrient solution using the deep flow technique (dft). the differences were measured in terms of harvest period (full bloom period) and quantity and chemical components of volatile oils. the spearmint and japanese mint were cultivated in four different nutrient formulas: plant standard nutrient, plant standard nu ... | 2010 | 19763744 |
| chemical composition, olfactory evaluation and antioxidant effects of essential oil from mentha canadensis. | the chemical composition of the essential oil from cornmint (mentha canadensis l.) was analyzed by gc/fid and gc-ms. the main constituents were menthol (41.2%) and menthone (20.4%). it was established that cornmint oil had antiradical activity with respect to the dpph and hydroxyl (oh*) radicals. the concentrations necessary for 50% neutralization of the respective radicals (ic50) were 365.0 microg/ml for dpph and 0.3 microg/ml for oh*, which was indicative that the antioxidant activity in terms ... | 2009 | 19731614 |
| [study on the dynamic change of flavonoids content in mentha haplocalyx]. | to determine the dynamic change of total flavonoids and its main aglycone and glycoside content in mentha haplocalyx briq. | 2006 | 17212037 |
| [studies on involatile constituents of mentha haplocalyx]. | to promote its comprehensive utilization, the involatile constituents of mentha haplocalyx were studied systematically. | 2006 | 16711426 |
| [studies on the chemical constituents in herb of mentha haplocalyx]. | to study the chemical constituents of mentha haplocalyx. | 2005 | 16161444 |
| inhibition of low-density lipoprotein oxidation and up-regulation of low-density lipoprotein receptor in hepg2 cells by tropical plant extracts. | twelve edible plant extracts rich in polyphenols were screened for their potential to inhibit oxidation of low-density lipoprotein (ldl) in vitro and to modulate ldl receptor (ldlr) activity in cultured hepg2 cells. the antioxidant activity (inhibition of ldl oxidation) was determined by measuring the formation of conjugated dienes (lag time) and thiobarbituric acid reagent substances (tbars). betel leaf (94%), cashew shoot (63%), japanese mint (52%), semambu leaf (50%), palm frond (41%), sweet ... | 2002 | 12059144 |
| analysis of menthol in three traditional chinese medicinal herbs and their compound formulation by gc-ms. | a gc-ms method was developed for identification and determination of menthol in three traditional chinese medicinal herbs and their compound formulation, a granule for treating colds. volatile oil was simultaneously distilled and extracted into ethyl ether in a unique glass extractor. the separation was performed on an hp-5 ms column. the standard addition method was used for quantitative determination of menthol content in herbal materials and in the granule. a component in the samples was chos ... | 2002 | 11920950 |
| essential oil composition of sachalinmint from norway detected by solid-phase microextraction and gas chromatography-mass spectrometry analysis. | the essential oil of leaves and flowers of sachalinmint [mentha sachalinensis (briq.) kudô] grown in norway (trondheim) has been studied by headspace solid-phase microextraction (hs-spme) coupled with gas chromatography-mass spectrometry analysis (gc-ms). the essential oil content increased linearly in acropetal direction from 1.08% (0-20 cm plant height) to 1.75% (60-80 cm; young leaves and flowers). the steam-distilled samples showed a minor complex matrix with a very high menthol and a much l ... | 2002 | 11879034 |
| positive correlation between menthol content and in vitro menthol tolerance in mentha arvensis l. cultivars. | menthol is a highly valued monoterpene produced by japanese mint (mentha arvensis) as a natural product with wide applications in cosmetics, confectionery, flavours, beverages and therapeutics. selection of high menthol yielding genotypes is therefore the ultimate objective of all genetic improvement programmes in mentha arvensis. a positive correlation was observed in the present study between menthol content in oils of evaluated genotypes and the level of tolerance to externally supplied menth ... | 2000 | 11022228 |
| effect of japanese mint (mentha arvensis) oil as fumigant on stored sorghum: physical characteristics, sensory quality and germination. | the japanese mint (mentha arvensis) oil (jmo) was effective as fumigant against sitophilus oryzae in sorghum (sorghum bicolor). the observations on the effect of jmo treatment at a dose of 166.6 microliters/l of space to grains stored for 3 months in desiccators at 28 +/- 5 degrees c showed non significant (p approximately 0.05) effect on grain hardness, grain density and per cent water absorption. the cooking quality evaluated in terms of cooking time required for boiling of grains was also not ... | 1995 | 7584160 |
| effect of japanese mint (mentha arvensis) oil as fumigant on nutritional quality of stored sorghum. | japanese mint (mentha arvensis) oil (jmo) can be used effectively as fumigant against sitophilus oryzae in stored sorghum. the effect of jmo at a dose of 166 microliter/l of space on nutrient composition and protein quality was studied in infested and uninfested sorghum grains stored for 3 months. the results revealed non significant effect of jmo on gran moisture, total ash, crude fibre, crude fat, crude protein and fat acidity in infested and uninfested grains at the end of 3 months storage. t ... | 1995 | 7792258 |
| the genetic basis for the conversion of menthone to menthol in japanese mint. | | 1960 | 17247975 |
| [study of japanese mint cultivated in spain]. | | 2006 | 14430074 |