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Djerrad Z, Terfi S, Brakchi L. Variability in Chemical Composition and Biochemical Activities of Mentha x piperita L. Essential Oil, in Response to Mycorrhizal Symbiosis and Heavy Metal Stress. Chem Biodivers 2024; 21:e202301980. [PMID: 38285970 DOI: 10.1002/cbdv.202301980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 01/31/2024]
Abstract
The present paper highlights the effect of Pb/Cd-stress and/or mycorrhizal colonization by Glomus Intraradices on yield, chemical composition, cytotoxicity and antimicrobial activity of Mentha x piperita L. essential oil. Our findings showed that mycorrhizal colonization could be used to improve the essential oil yield of M. x piperita, either in non-stressed or Pb/Cd-stressed plants. GC-MS analysis revealed three chemotypes: linalool/pulegone (32.6/30.8 %) chemotype in essential oils of non-mycorrhizal Pb-stressed plants, menthone/menthyl acetate (30.3/25.1 %) chemotype in essential oils of non-mycorrhizal Cd-stressed plants and menthol (44.6 %) chemotype in essential oils of non-mycorrhizal non-stressed plants, mycorrhizal non-stressed plants and mycorrhizal Pb/Cd-stressed plants. The cytotoxicity of M. x piperita essential oil, evaluated by brine shrimp lethality bioassay, was increased in presence of Pb/Cd-stress (from 379.58 to 72.84 μm/mL) and decreased in mycorrhizal plants (from 379.58 to 482.32 μm/mL). The antimicrobial activity of M. x piperita essential oil, evaluated by disc diffusion method and determination of Minimum Inhibitory Concentration against ten microorganisms, was enhanced by the mycorrhizal colonization and deceased by the Pb/Cd-stress. In conclusion, the inoculation of medicinal plants with mycorrhizal fungi is a real avenue for alleviating abiotic stress and/or increasing the quantity and quality of secondary metabolites in terms of biological activities.
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Affiliation(s)
- Zineb Djerrad
- Department of Ecology and Environment, Laboratory of Vegetal Ecology and Environment, Faculty of Biological Sciences, Houari Boumediene University of Sciences and Technology (USTHB), El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
| | - Souhila Terfi
- Department of Chemistry, Laboratory of Electrochemistry-Corrosion, Metallurgy and Mineral Chemistry, Faculty of Chemistry, Houari Boumediene University of Sciences and Technology (USTHB), El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
| | - Lila Brakchi
- Department of Ecology and Environment, Laboratory of Vegetal Ecology and Environment, Faculty of Biological Sciences, Houari Boumediene University of Sciences and Technology (USTHB), El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
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Lange BM, Srividya N, Lange I, Parrish AN, Benzenberg LR, Pandelova I, Vining KJ, Wüst M. Biochemical basis for the formation of organ-specific volatile blends in mint. FRONTIERS IN PLANT SCIENCE 2023; 14:1125065. [PMID: 37123862 PMCID: PMC10140540 DOI: 10.3389/fpls.2023.1125065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/20/2023] [Indexed: 05/03/2023]
Abstract
Above-ground material of members of the mint family is commercially distilled to extract essential oils, which are then formulated into a myriad of consumer products. Most of the research aimed at characterizing the processes involved in the formation of terpenoid oil constituents has focused on leaves. We now demonstrate, by investigating three mint species, peppermint (Mentha ˣ piperita L.), spearmint (Mentha spicata L.) and horsemint (Mentha longifolia (L.) Huds.; accessions CMEN 585 and CMEN 584), that other organs - namely stems, rhizomes and roots - also emit volatiles and that the terpenoid volatile composition of these organs can vary substantially from that of leaves, supporting the notion that substantial, currently underappreciated, chemical diversity exists. Differences in volatile quantities released by plants whose roots had been dipped in a Verticillium dahliae-spore suspension (experimental) or dipped in water (controls) were evident: increases of some volatiles in the root headspace of mint species that are susceptible to Verticillium wilt disease (peppermint and M. longifolia CMEN 584) were detected, while the quantities of certain volatiles decreased in rhizomes of species that show resistance to the disease (spearmint and M. longifolia CMEN 585). To address the genetic and biochemical basis underlying chemical diversity, we took advantage of the newly sequenced M. longifolia CMEN 585 genome to identify candidate genes putatively coding for monoterpene synthases (MTSs), the enzymes that catalyze the first committed step in the biosynthesis of monoterpenoid volatiles. The functions of these genes were established by heterologous expression in Escherichia coli, purification of the corresponding recombinant proteins, and enzyme assays, thereby establishing the existence of MTSs with activities to convert a common substrate, geranyl diphosphate, to (+)-α-terpineol, 1,8-cineole, γ-terpinene, and (-)-bornyl diphosphate, but were not active with other potential substrates. In conjunction with previously described MTSs that catalyze the formation of (-)-β-pinene and (-)-limonene, the product profiles of the MTSs identified here can explain the generation of all major monoterpene skeletons represented in the volatiles released by different mint organs.
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Affiliation(s)
- B. Markus Lange
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory, WashingtonState University, Pullman, WA, United States
- *Correspondence: B. Markus Lange,
| | - Narayanan Srividya
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory, WashingtonState University, Pullman, WA, United States
| | - Iris Lange
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory, WashingtonState University, Pullman, WA, United States
| | - Amber N. Parrish
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory, WashingtonState University, Pullman, WA, United States
| | - Lukas R. Benzenberg
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory, WashingtonState University, Pullman, WA, United States
- Institut für Ernährungs- und Lebensmittelwissenschaften, Rheinische Friedrich Wilhelms-UniversitätBonn, Bonn, Germany
| | - Iovanna Pandelova
- Department of Horticulture, Oregon State University, Corvallis, OR, United States
| | - Kelly J. Vining
- Department of Horticulture, Oregon State University, Corvallis, OR, United States
| | - Matthias Wüst
- Institut für Ernährungs- und Lebensmittelwissenschaften, Rheinische Friedrich Wilhelms-UniversitätBonn, Bonn, Germany
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A Scent of Peppermint—A Microwave Spectroscopy Analysis on the Composition of Peppermint Oil. Symmetry (Basel) 2022. [DOI: 10.3390/sym14061262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Essential oils have a vast number of applications in different areas of our daily life. Detailed chiral analysis and structural characterization of their constituents remains an important subject in analytical chemistry. Here, we report on a broadband rotational spectroscopy study of peppermint oil in the frequency range 2–8 GHz. We focus on an unambiguous determination of the excess enantiomers of the oil constituents menthone and isomenthone in the oil by applying chirality-sensitive rotational spectroscopy, the so-called microwave three-wave mixing (M3WM) technique. Additionally, a new menthol conformer, not previously characterized, was experimentally observed, and the gas-phase structures of the two conformers of menthol and menthone were determined experimentally based on the assignment of their 13C-isotopologues in natural abundance.
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Zeng J, Wang W, Lin J, Zhang Y, Li H, Liu J, Yan C, Gu Y, Wei Y. Purification of menthone and menthol from Mentha haplocalyx by suspension particle assisted solvent sublation, neuroprotective effect in vitro and molecular docking of menthol on amyloid-β. J Chromatogr A 2022; 1674:463125. [PMID: 35597196 DOI: 10.1016/j.chroma.2022.463125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 11/28/2022]
Abstract
Suspension particle assisted solvent sublation was designed for the first time. The volatile monoterpenes in Mentha haplocalyx Briq were extracted using this method from a solution containing plant solid particles as the lower phase of solvent sublation. Under the optimum conditions of the solvent sublation (n-hexane/plant solid particles 20% ethanol-water solution system, pH 4, flotation time 30 min and air flow rate 30 mL/min), the extraction yields were 2.0 × 102 mg/kg, 9.5 × 101 mg/kg and 1.2 × 103 mg/kg for menthone, isomenthone and menthol, respectively. Compared with the traditional methods, the established suspension particle assisted solvent sublation might be an economical and efficient extraction method in some aspects. Through a cellular antioxidant activity experiment, menthol could alleviate H2O2-induced oxidative stress. Molecular docking was applied to simulate the molecular recognition process between amyloid-β and menthol. The affinity energy of menthol was -12.59 kJ/mol, indicating that menthol might have neuroprotective activity and the potential to be an amyloid-β inhibitor.
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Affiliation(s)
- Jiajia Zeng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Wenjuan Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Junjun Lin
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Yuchi Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Hao Li
- China Academy of Chinese Medical Sciences, Xiyuan Hospital, Beijing, PR China
| | - Jiangang Liu
- China Academy of Chinese Medical Sciences, Xiyuan Hospital, Beijing, PR China
| | - Chen Yan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Yanxiang Gu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China
| | - Yun Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 3(rd) Ring North East Road, Chaoyang District, Beijing 100029, PR China.
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Efficiency of chemical composition of some essential oils against Botrytis cinerea, the pathogen of post-harvest strawberry fruits. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-021-01133-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Peters VCT, Dunkel A, Frank O, McCormack B, Dowd E, Didzbalis J, Dawid C, Hofmann T. A high throughput toolbox for comprehensive flavor compound mapping in mint. Food Chem 2021; 365:130522. [PMID: 34271328 DOI: 10.1016/j.foodchem.2021.130522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 11/29/2022]
Abstract
Essential oils of the genus Mentha are extensively used as flavor ingredients in the industry. To overcome the time consuming and laborious traditional flavor analysis, a new quick, high-throughput toolbox based on a bead-beater homogenization followed by a UHPLC-MS/MS analysis has been developed and validated. While terpenes could be directly detected using atmospheric pressure chemical ionization (APCI), carbonyl compounds and alcohols required derivatization by 3-nitrophenylhydrazine (3-NPH) and glycidyltrimethylammonium chloride (GTMA) to ensure sufficient sensitivity for analysis of a single leaf. Using this approach, in total, 59 flavor-active metabolites representing the characteristic flavor of mint were quantified in leaves as well as in distilled oils using fast and robust UHPLC-MS/MS methods. The application of this toolbox enables a mapping of key pathways of mint flavor biosynthesis and can therefore support extensive breeding studies and the monitoring of chemosensate changes, depending on factors such as growth stages and environmental conditions.
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Affiliation(s)
- Verena Christina Tabea Peters
- Chair of Food Chemistry and Molecular and Sensory Science, Technical University of Munich, Lise-Meitner-Str. 34, D-85354 Freising, Germany
| | - Andreas Dunkel
- Leibniz-Institute for Food Systems Biology at the Technical University of Munich, Lise-Meitner-Str. 34, D-85354 Freising, Germany
| | - Oliver Frank
- Chair of Food Chemistry and Molecular and Sensory Science, Technical University of Munich, Lise-Meitner-Str. 34, D-85354 Freising, Germany
| | - Brian McCormack
- Ingredient Science, Mars Wrigley, 1132 W. Blackhawk St., Chicago, IL 60642, United States
| | - Eric Dowd
- Ingredient Science, Mars Wrigley, 1132 W. Blackhawk St., Chicago, IL 60642, United States
| | - John Didzbalis
- Mars, Incorporated, Mars Advanced Research Institute, McLean, VA 22101, United States
| | - Corinna Dawid
- Chair of Food Chemistry and Molecular and Sensory Science, Technical University of Munich, Lise-Meitner-Str. 34, D-85354 Freising, Germany.
| | - Thomas Hofmann
- Chair of Food Chemistry and Molecular and Sensory Science, Technical University of Munich, Lise-Meitner-Str. 34, D-85354 Freising, Germany
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Gamal M, Abd-ElSalam HAH, Naguib IA, Al-Ghobashy MA, Zaazaa HE, Abdelkawy M. Green and cost-effective extraction techniques of quercetin from mixture of nutraceuticals with yield analysis via spectrophotometry and high performance liquid chromatograph methods. J AOAC Int 2021; 105:249-266. [PMID: 34003288 DOI: 10.1093/jaoacint/qsab071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/17/2021] [Accepted: 04/30/2021] [Indexed: 11/12/2022]
Abstract
BACKGROUND Extraction is the leading critical stage in the analysis of nutraceuticals. Ginkgo biloba (GB) has gained an interest because of its therapeutic usages. OBJECTIVES Development of four cost effective extraction techniques for extraction of quercetin from GB in mixture of nutraceuticals sachet. These techniques are solid phase extraction (SPE), liquid-liquid extraction (LLE), inverted dispersive liquid-liquid microextraction (IDLLME) and QuEChERS. METHODS Direct spectrophotometry was used to monitor the recovery of the standard quercetin throughout the optimization steps. HPLC-UV method of analysis was optimized to quantify the yields from the extracts present in the complicated sachets. The presented study was assessed by analytical eco-scale assessment (ESA) and National Environmental Method Index (NEMI) for greenness in comparison with literature. RESULTS Only SPE showed the best cleanup outcomes. ESA and NEMI showed an adequate greenness of proposed extraction protocol. CONCLUSION Quercetin (marker for GB) extraction from market nutraceutical sachets is considered an exemplary for analysis in quality control of nutraceuticals. Regarding the greenness results, the proposed method of extraction is grander even with adequate greenness as the extraction was one-step, in comparison with multi-steps in previously published protocols. Accordingly, it is recommended to be used in routine extraction and analysis of such kind of nutraceuticals. HIGHLIGHTS Four extraction protocols had been developed. For GB ternary sachets, proper recovery was obtained from C18 SPE. The assessment of greenness of the proposed protocol guaranteed the superiority of the presented study. Safer sorbents and chemicals favor to be used for routine extraction of nutraceuticals.
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Affiliation(s)
- Mohammed Gamal
- Department of Pharmaceutical Chemistry, Pharmacy College, Jouf University, P.O. Box 2014, Sakaka, Aljouf, Saudi Arabia.,Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmed Hegazy St, 62574, Beni-Suef, Egypt
| | - Heba-Alla H Abd-ElSalam
- Pharmaceutical Chemistry Department, Faculty of Pharmacy & Drug Technology, Egyptian Chinese University, Cairo, Egypt
| | - Ibrahim A Naguib
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Medhat A Al-Ghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr ElـAini St, Cairo, Egypt
| | - Hala E Zaazaa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr ElـAini St, Cairo, Egypt
| | - M Abdelkawy
- Pharmaceutical Chemistry Department, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
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Rather AH, Wani TU, Khan RS, Pant B, Park M, Sheikh FA. Prospects of Polymeric Nanofibers Loaded with Essential Oils for Biomedical and Food-Packaging Applications. Int J Mol Sci 2021; 22:4017. [PMID: 33924640 PMCID: PMC8069027 DOI: 10.3390/ijms22084017] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 02/08/2023] Open
Abstract
Essential oils prevent superbug formation, which is mainly caused by the continuous use of synthetic drugs. This is a significant threat to health, the environment, and food safety. Plant extracts in the form of essential oils are good enough to destroy pests and fight bacterial infections in animals and humans. In this review article, different essential oils containing polymeric nanofibers fabricated by electrospinning are reviewed. These nanofibers containing essential oils have shown applications in biomedical applications and as food-packaging materials. This approach of delivering essential oils in nanoformulations has attracted considerable attention in the scientific community due to its low price, a considerable ratio of surface area to volume, versatility, and high yield. It is observed that the resulting nanofibers possess antimicrobial, anti-inflammatory, and antioxidant properties. Therefore, they can reduce the use of toxic synthetic drugs that are utilized in the cosmetics, medicine, and food industries. These nanofibers increase barrier properties against light, oxygen, and heat, thereby protecting and preserving the food from oxidative damage. Moreover, the nanofibers discussed are introduced with naturally derived chemical compounds in a controlled manner, which simultaneously prevents their degradation. The nanofibers loaded with different essential oils demonstrate an ability to increase the shelf-life of various food products while using them as active packaging materials.
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Affiliation(s)
- Anjum Hamid Rather
- Department of Nanotechnology, University of Kashmir Hazratbal, Srinagar 190006, Jammu and Kashmir, India; (A.H.R.); (T.U.W.); (R.S.K.)
| | - Taha Umair Wani
- Department of Nanotechnology, University of Kashmir Hazratbal, Srinagar 190006, Jammu and Kashmir, India; (A.H.R.); (T.U.W.); (R.S.K.)
| | - Rumysa Saleem Khan
- Department of Nanotechnology, University of Kashmir Hazratbal, Srinagar 190006, Jammu and Kashmir, India; (A.H.R.); (T.U.W.); (R.S.K.)
| | - Bishweshwar Pant
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, Wanju-Gun 55338, Jeollabuk-do, Korea;
| | - Mira Park
- Carbon Composite Energy Nanomaterials Research Center, Woosuk University, Wanju-Gun 55338, Jeollabuk-do, Korea;
| | - Faheem A. Sheikh
- Department of Nanotechnology, University of Kashmir Hazratbal, Srinagar 190006, Jammu and Kashmir, India; (A.H.R.); (T.U.W.); (R.S.K.)
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Abstract
The establishment of living mulches in organic orchards could potentially improve the orchard biodiversity and, when specific plant species are selected, provide additional eco-services and functions, including adequate weed management. This study was conducted in an organically managed apple orchard in Skierniewice (Poland) to assess the effect of two selected living mulching species: Alchemilla vulgaris and Mentha piperita. They were assessed on weed control, weed biodiversity, tree nutritional status, root dry weight density (RDWD), and other root morphological traits compared to a natural soil cover (control). Overall, both living mulches produced 42.5% more dry biomass, increased weed species number (+29%), and increased soil coverage (+33%) compared to control mowed plots. The apple leaf chlorophyll index and nutrient content were higher in the presence of both living mulches than in the control. In addition, apple trees had 30–46% higher root dry weight densities, even though other root morphological traits were not affected by the treatments. The results suggested that the tree row can be managed with living mulches of herbs; these species have the potential to provide an additional income to the farmer, as well as beneficial effects for the orchard biodiversity, without impairing the tree root development and nutrient status.
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Subjective Effects of Inhaling Kuromoji Tea Aroma. Molecules 2021; 26:molecules26030575. [PMID: 33499197 PMCID: PMC7866097 DOI: 10.3390/molecules26030575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/31/2020] [Accepted: 01/18/2021] [Indexed: 11/17/2022] Open
Abstract
Teas and various herbal teas are well-known beverages and are commonly consumed around the world. In this study, we focused on kuromoji tea. Kuromoji is a deciduous shrub of the Lauraceae family, and the plucked leaves and branches have been drunk as a tea in production areas for a long time. However, no studies have investigated the subjective and physiological effects of kuromoji tea. In this study, the effects of kuromoji tea were examined on the basis of the measurements of heart rate variability and cerebral blood flow, core body temperature and subjective assessments. Moreover, the results of this study showed that a pleasant subjective feeling could be obtained by sniffing the aroma of kuromoji teas, especially tea leaves. It was also found that the aroma of kuromoji teas has the potential to stimulate saliva secretion and increase subjective and physiological excitements in the oral cavity. 1,8-Cineole, linalool, terpinen-4-ol, carvone and geraniol were determined in both kuromoji leaves and branches. In this study, the beneficial effects of kuromoji teas when drunk conventionally were investigated.
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Kapp K, Püssa T, Orav A, Roasto M, Raal A, Vuorela P, Vuorela H, Tammela P. Chemical Composition and Antibacterial Effect of Mentha spp. Grown in Estonia. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20977615] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Mentha spp. are used in the food and pharmaceutical industry; the plants are characterized by natural interspecies hybridization. In this study, knowledge of the chemical composition of Mentha spp. was broadened by focusing on plants grown in a geographically small region of Estonia. The antibacterial activity of Mentha spp. essential oils and water extracts was evaluated. Polyphenolic water extracts of M. × villosa Huds., M. × suaveolens Ehrh., and M. × gracilis Sole were tested for the first time on Escherichia coli and Staphylococcus aureus. Leaves of cultivated and wild-grown plants ( n = 33) were collected. The microdistilled essential oil composition reflected the diversity within the genus Mentha. Determined by gas chromatography-mass spectrometry (MS), major compounds were cis-piperitone oxide, carvone, linalool, menthol, and menthofuran. Based on high-performance liquid chromatography-ultraviolet-MS/MS analyses of the water extracts, no species-specific polyphenolic compounds could be proposed. Abundant polyphenols were rosmarinic acid, salvianolic acid B, and eriocitrin. Essential oils exhibited antibacterial activity on E. coli and S. aureus by the broth dilution method. Water extracts showed activity only against S. aureus. This study supports the use of Mentha spp. as health-promoting ingredients in food. However, further studies are still needed to widen the knowledge of the chemical composition of these plants.
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Affiliation(s)
- Karmen Kapp
- Faculty of Pharmacy, Drug Research Program, Division of Pharmaceutical Biosciences, University of Helsinki, Helsinki, Finland
| | - Tõnu Püssa
- Chair of Food Hygiene and Veterinary Public Health, Estonian University of Life Sciences, Tartu, Estonia
| | - Anne Orav
- Institute of Chemistry, Tallinn University of Technology, Tallinn, Estonia
| | - Mati Roasto
- Chair of Food Hygiene and Veterinary Public Health, Estonian University of Life Sciences, Tartu, Estonia
| | - Ain Raal
- Faculty of Medicine, Institute of Pharmacy, University of Tartu, Tartu, Estonia
| | - Pia Vuorela
- Faculty of Pharmacy, Drug Research Program, Division of Pharmaceutical Biosciences, University of Helsinki, Helsinki, Finland
| | - Heikki Vuorela
- Faculty of Pharmacy, Drug Research Program, Division of Pharmaceutical Biosciences, University of Helsinki, Helsinki, Finland
| | - Päivi Tammela
- Faculty of Pharmacy, Drug Research Program, Division of Pharmaceutical Biosciences, University of Helsinki, Helsinki, Finland
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Hwang HS, Adhikari PB, Jo HJ, Han JY, Choi YE. Enhanced monoterpene emission in transgenic orange mint (Mentha × piperita f. citrata) overexpressing a tobacco lipid transfer protein (NtLTP1). PLANTA 2020; 252:44. [PMID: 32876749 DOI: 10.1007/s00425-020-03447-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
MAIN CONCLUSION Overexpression of the tobacco lipid transfer protein (NtLTP1) gene in transgenic orange mint resulted in enhanced accumulation of monoterpenes in the cavity of head cells of glandular trichomes, which resulted in enhanced emission of monoterpenes from transgenic orange mints. Plants in the genus Mentha (Lamiaceae) produce volatile oils that accumulate in peltate glandular trichomes in the aerial parts of plants. A lipid transfer protein (NtLTP1) in tobacco showed glandular trichome-specific expression and supported the secretion of diterpenoid lipids from head cells of glandular trichomes (Choi et al., Plant J 70:480-491,2012). Here, we constructed transgenic orange mint (Mentha × piperita f. citrata) overexpressing the tobacco NtLTP1 gene via Agrobacterium-mediated transformation. Transgenic lines of orange mint overexpressing NtLTP1 were confirmed by genomic PCR and RT-PCR. Immunoblotting analysis using an NtLTP1 polyclonal antibody showed clear dark spots at the position of the lipid exudates from tobacco glandular trichomes and the squeezed out lipids from the glandular trichomes of transgenic orange mint. Heads of glandular trichomes in transgenic plants overexpressing the NtLTP1 gene showed a larger diameter than those of the wild-type control. The enhanced size of trichome heads in transgenic orange mint was confirmed by scanning electron microscopy. Volatile components were extracted from wild-type and transgenic orange mint by solid-phase microextraction (SPME) and analyzed by headspace-gas chromatography-mass spectrometry (HS/GC/MS). Linalyl acetate was the most abundant component among the eleven identified monoterpenes in the volatile compounds extracted from both the wild-type and transgenic lines of orange mint. Overexpression of NtLTP1 in transgenic orange mint plants resulted in enhanced emission of volatile monoterpenoids compared with that of volatile monoterpenoids in the wild-type control plants.
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Affiliation(s)
- Hwan-Su Hwang
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Prakash Babu Adhikari
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Hye-Jeong Jo
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Jung Yeon Han
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Yong Eui Choi
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
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Kvittingen L, Sjursnes BJ. Demonstrating Basic Properties and Application of Polarimetry Using a Self-Constructed Polarimeter. JOURNAL OF CHEMICAL EDUCATION 2020; 97:2196-2202. [PMID: 32905174 PMCID: PMC7467646 DOI: 10.1021/acs.jchemed.9b00763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 06/14/2020] [Indexed: 06/11/2023]
Abstract
An easily constructed and inexpensive polarimeter with an optical rotation angle resolution of about 0.5° is presented. It is made from small pieces of polarizing film, 2 LEDs, a protractor, and a few wires, all held in place with plastic interlocking toy bricks, such as Lego bricks. The instrument was used to demonstrate the optical rotation of plane polarized light as a function of concentration, path length, temperature, and wavelength, and to determine enantiomeric excess in solutions of arabinose, the amount of limonene in citrus ski wax remover, and optical rotations of various types of honeys and essential oils. Results were comparable to values obtained on a commercial scientific instrument, and with literature values.
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Affiliation(s)
- Lise Kvittingen
- Department
of Chemistry, NTNU, Norwegian University
of Science and Technology, 7491 Trondheim, Norway
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14
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Triptycene-based dicationic guanidinium ionic liquid: A novel stationary phase of high selectivity towards a wide range of positional and structural isomers. J Chromatogr A 2020; 1621:461084. [DOI: 10.1016/j.chroma.2020.461084] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 03/13/2020] [Accepted: 03/26/2020] [Indexed: 11/19/2022]
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15
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Ahadi N, Torabbeigi M, Aghaiee Meibodei Z, Safatian F. Volatile Components of Haplophyllum canaliculatum Boiss. by Different Extraction Procedures. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2020; 2020:4202871. [PMID: 32566357 PMCID: PMC7277027 DOI: 10.1155/2020/4202871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
Volatile components of Haplophyllum canaliculatum Boiss. grown in Iran were extracted by hydrodistillation (HD), solvent-free microwave extraction (SFME), and headspace solid-phase microextraction (HS-SPME). The components were analyzed by means of GC and GC-MS. The extraction time and temperature for HS-SPME, microwave, power, and exposure time of extraction for SFME were optimized. Twenty-five compounds that represent 99.88% of total compounds in the oil were obtained by the HD method, and the major components for this method were identified as β-pinene (18.90%), 1,8-cineole (13.94%), and piperitone (12.22%). However, piperitone (34.50%), caryophyllene oxide (9.94%), and a-eudesmol were the main compounds among twenty-one constituents, representing 99.89% of the total composition that were characterized in volatiles extracted by the SFME method. Moreover, thirteen compounds, representing 99.95% of the total constituents, were characterized in volatile fraction extracted by the HS-SPME method, which were dominated by β-pinene (21.13%), a-pinene (13.07%), limonene (11.65%), and δ-2-carene (10.23%) as major constituents.
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Affiliation(s)
- Nastaran Ahadi
- Pharmaceutical Science Branch, Islamic Azad University, Tehran, Iran
| | - Marzieh Torabbeigi
- School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, P.O. Box 16858-116, Tehran, Iran
| | - Zahra Aghaiee Meibodei
- Department of Chemistry, East Branch of Tehran (Ghiam Dasht), Islamic Azad University, Tehran, Iran
| | - Fatemeh Safatian
- Ramsar International Branch, Mazandaran University of Medical Sciences, Ramsar, Iran
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16
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Mahendran G, Rahman L. Ethnomedicinal, phytochemical and pharmacological updates on Peppermint (
Mentha × piperita
L.)—A review. Phytother Res 2020; 34:2088-2139. [DOI: 10.1002/ptr.6664] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/06/2020] [Accepted: 02/18/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Ganesan Mahendran
- Plant Biotechnology Division, Central Institute of Medicinal and Aromatic Plants (CSIR‐CIMAP) Lucknow India
| | - Laiq‐Ur Rahman
- Plant Biotechnology Division, Central Institute of Medicinal and Aromatic Plants (CSIR‐CIMAP) Lucknow India
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Unalan I, Slavik B, Buettner A, Goldmann WH, Frank G, Boccaccini AR. Physical and Antibacterial Properties of Peppermint Essential Oil Loaded Poly ( ε-caprolactone) (PCL) Electrospun Fiber Mats for Wound Healing. Front Bioeng Biotechnol 2019; 7:346. [PMID: 32039166 PMCID: PMC6988806 DOI: 10.3389/fbioe.2019.00346] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/06/2019] [Indexed: 12/20/2022] Open
Abstract
The aim of this study was to fabricate and characterize various concentrations of peppermint essential oil (PEP) loaded on poly(ε-caprolactone) (PCL) electrospun fiber mats for healing applications, where PEP was intended to impart antibacterial activity to the fibers. SEM images illustrated that the morphology of all electrospun fiber mats was smooth, uniform, and bead-free. The average fiber diameter was reduced by the addition of PEP from 1.6 ± 0.1 to 1.0 ± 0.2 μm. Functional groups of the fibers were determined by Raman spectroscopy. Gas chromatography-mass spectroscopy (GC-MS) analysis demonstrated the actual PEP content in the samples. In vitro degradation was determined by measuring weight loss and their morphology change, showing that the electrospun fibers slightly degraded by the addition of PEP. The wettability of PCL and PEP loaded electrospun fiber mats was measured by determining contact angle and it was shown that wettability increased with the incorporation of PEP. The antimicrobial activity results revealed that PEP loaded PCL electrospun fiber mats exhibited inhibition against Staphylococcus aureus (gram-positive) and Escherichia coli (gram-negative) bacteria. In addition, an in-vitro cell viability assay using normal human dermal fibroblast (NHDF) cells revealed improved cell viability on PCL, PCLPEP1.5, PCLPEP3, and PCLGEL6 electrospun fiber mats compared to the control (CNT) after 48 h cell culture. Our findings showed for the first time PEP loaded PCL electrospun fiber mats with antibiotic-free antibacterial activity as promising candidates for wound healing applications.
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Affiliation(s)
- Irem Unalan
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Benedikt Slavik
- Chair of Aroma and Smell Research, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Andrea Buettner
- Chair of Aroma and Smell Research, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Wolfgang H. Goldmann
- Department of Physics, Institute of Biophysics, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Gerhard Frank
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Aldo R. Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
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18
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Malásková M, Henderson B, Chellayah PD, Ruzsanyi V, Mochalski P, Cristescu SM, Mayhew CA. Proton transfer reaction time-of-flight mass spectrometric measurements of volatile compounds contained in peppermint oil capsules of relevance to real-time pharmacokinetic breath studies. J Breath Res 2019; 13:046009. [PMID: 31163413 DOI: 10.1088/1752-7163/ab26e2] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
With the growing interest in the use of breath volatiles in the health sciences, the lack of standardization for the sampling and analysis of exhaled breath is becoming a major issue leading to an absence of conformity, reproducibility and reliability in spectrometric measurements. Through the creation of a worldwide 'peppermint consortium', the International Association of Breath Research has set up a task force to deal with this problem. Pharmacokinetic studies are proposed, and a real-time analytical technique that is being used is proton transfer reaction-time-of-flight-mass spectrometry (PTR-ToF-MS). This paper presents details on how the volatile compounds contained in a peppermint oil capsule, and hence on breath, appear in a PTR-ToF-MS. To aid that study, the key volatiles in the headspace of peppermint oil were first identified using gas chromatography-mass spectrometry, notably: menthol, menthone, 1,8-cineole, menthofuran, limonene, α-pinene and β-pinene. A PTR-ToF-MS analysis of these compounds has been undertaken, divorced from the complexity of the peppermint oil matrix using 'normal' and 'saturated' humidity drift-tube conditions, with the latter used to mimic breath samples, and over a range of reduced electric fields. There are no characteristic product ions that can distinguish monoterpenes and 1,8-cineole, and hence, without pre-separation, a combined washout for these volatiles can only be provided. By operating the drift tube above about 130 Td, there are characteristic product ions for menthone, menthofuran and menthol, namely m/z 155.14 (protonated menthone), m/z 151.11 (protonated menthofuran), m/z 139.15 (loss of H2O from protonated menthol) and m/z 83.09 (a fragment ion, C6H11 +, from menthol). These have been used to monitor, with a high specificity, the temporal profile of these three compounds in breath following the ingestion of a peppermint oil capsule. To aid in the analyses, the proton affinities and gas-phase basicities for the key volatiles investigated have been determined using density functional theory.
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Affiliation(s)
- Michaela Malásková
- Institute for Breath Research, Leopold-Franzens-Universität Innsbruck, Rathausplatz 4, A-6850, Dornbirn, Austria
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19
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Nouri A. Chitosan nano-encapsulation improves the effects of mint, thyme, and cinnamon essential oils in broiler chickens. Br Poult Sci 2019; 60:530-538. [PMID: 31124697 DOI: 10.1080/00071668.2019.1622078] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
This study was conducted to evaluate the effects of chitosan nano-encapsulating mint (MEO), thyme (TEO) and cinnamon (CEO) essential oils (EOs) used in the diet on performance, immune responses and intestinal bacteria population in broiler chickens. A total of 600 mixed-sex, 1-d-old Ross 308 broiler chicks were used in a 2 × 4 factorial experiment as completely randomised design with 8 experimental groups (diets) with 5 replicates of 15 chicks each (totally 40 pens). The eight experimental diets consisted of no EO and free distiller water (control); no EO and chitosan nano-encapsulated (CNE) distiller water; and other six treatments with free or CNE form of MEO, TEO and CEO (added at 0.025%, 0.04% and 0.055% respectively to starter, grower and finisher diets). Both EOs and the CNE form had significant (P < 0.05) benefits on improving body weight gain, and feed conversion ratio in periods of 29-42 and 1-42 days. The highest effect was (P < 0.05) obtained in birds receiving TEO, which was intensified by nano-encapsulation. Breast percentage was improved by nano-encapsulation (P < 0.05). The EOs (especially TEO and CEO) and CNE form improved (P < 0.05) serum IgY and IgM concentrations (at 35 and 42 days) and intestinal Lactobacillus spp. and E. coli populations (at 42 days) in broilers. Nano-encapsulated EOs, especially TEO and CEO had (P < 0.05) the largest effect on increasing IgY42 concentrations and the microbial populations. The tested EOs, especially TEO, improved more of the evaluated traits in broiler chickens. Also, Chitosan nano-encapsulation because of its ideal properties can be an effective, suitable and inexpensive method for protecting bioactive compounds and improving effects of the herbal EOs especially thyme in broiler chickens.
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Affiliation(s)
- A Nouri
- Department of Animal Science, Garmsar Branch, Islamic Azad University , Garmsar , Iran
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20
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Kang J, Jin W, Wang J, Sun Y, Wu X, Liu L. Antibacterial and anti-biofilm activities of peppermint essential oil against Staphylococcus aureus. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.093] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Moreno-Rodríguez A, Santos-Castro R, Vázquez-Medrano J, Quintanar-Zúñiga RE, García-García FA, Hernández-Portilla LB, Flores-Ortiz CM. Effect of jasmonic acid on major terpenes and density of glandular trichomes in Lippia graveolens kunth (Verbenaceae). Nat Prod Res 2019; 34:1942-1946. [PMID: 30724587 DOI: 10.1080/14786419.2019.1566721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The effect of exogenous application of jasmonic acid (JA) on the concentration of main terpenes and density of glandular trichomes was investigated in the Mexican oregano, propagated from seeds from 3 localities. JA 1 mM was applied locally and to the whole plant. JA locally applied increased the number of trichomes, with a mean of 20 trichomes more with respect to the controls in plants from Tecomavaca and Zapotitlán Salinas, and significantly increased the thymol concentration by 185% systemically and 255% locally, compared to the control. JA applied to the whole plant decreased the number of trichomes and increased the concentration of caryophyllene from 0.79 to 1.7 mg g-1, and α-caryophyllene from 0.3 to 0.8 mg g-1 in plants from San Rafael with reference to water control. The results suggest a plasticity of morphologic and phytochemical responses, and a potential use of JA to improve phenolic monoterpenes and sesquiterpenes production.
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Affiliation(s)
- Amanda Moreno-Rodríguez
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Rosario Santos-Castro
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Josefina Vázquez-Medrano
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Rafael E Quintanar-Zúñiga
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Fernando A García-García
- Área de Espectrometría de Masas, Laboratorio Nacional en Salud, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Luis B Hernández-Portilla
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México.,Área de Espectrometría de Masas, Laboratorio Nacional en Salud, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
| | - Cesar M Flores-Ortiz
- Laboratorio de Fisiología Vegetal, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México.,Área de Espectrometría de Masas, Laboratorio Nacional en Salud, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, México
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22
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Ethnicity, gender and physiological parameters: Their effect on in vivo flavour release and perception during chewing gum consumption. Food Res Int 2018; 116:57-70. [PMID: 30716982 DOI: 10.1016/j.foodres.2018.12.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 11/20/2018] [Accepted: 12/17/2018] [Indexed: 01/25/2023]
Abstract
In this study, the impact of physiological parameters, ethnicity and gender on flavour perception and flavour release of chewing gum was investigated. Proton Transfer Reaction Mass Spectrometry in-nose monitoring of volatile organic compounds was coupled to discontinuous time intensity sensory evaluation for mint flavour and sweetness perception. Each of the 29 subjects, 14 European and 15 Chinese panelists (13 male and 16 females, age 24 ± 1.4 years old) consumed the samples in triplicates. Physiological parameters (oral cavity volume, salivary flow, acetone and isoprene concentration and fungiform papillae density) were measured. Significant differences for in vivo flavour release between Chinese and European panelists after 90 s of consumption and after the gum was removed from the mouth were found. Significant differences were observed also in flavour and sweetness perception while no gender effect was detected. In this work, for the first time an effect of ethnicity on in-nose flavour release monitored through PTR-MS was noticed during chewing gum consumption, in agreement with the findings from sensory evaluation. Single physiological parameters do not explain the relation between flavour in nose release and perception during consumption.
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23
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Abstract
Chiroptical spectroscopy techniques for the differentiation of enantiomers in the condensed phase are based on an established paradigm that relies on symmetry breaking using circularly polarized light. We review a novel approach for the study of chiral molecules in the gas phase using broadband rotational spectroscopy, namely microwave three-wave mixing, which is a coherent, nonlinear, and resonant process. This technique can be used to generate a coherent molecular rotational signal that can be detected in a manner similar to that in conventional Fourier transform microwave spectroscopy. The structure (and thermal distribution of conformations), handedness, and enantiomeric excess of gas-phase samples can be determined unambiguously by employing tailored microwave fields. We discuss the theoretical and experimental aspects of the method, the significance of the first demonstrations of the technique for enantiomer differentiation, and the method's rapid advance into a robust choice to study molecular chirality in the gas phase. Very recently, the microwave three-wave mixing approach was extended to enantiomer-selective population transfer, an important step toward spatial enantiomer separation on the fly.
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Affiliation(s)
- Sérgio R. Domingos
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
- Christian-Albrechts-Universität zu Kiel, Institut für Physikalische Chemie, 24118 Kiel, Germany
- Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany
| | - Cristóbal Pérez
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
- Christian-Albrechts-Universität zu Kiel, Institut für Physikalische Chemie, 24118 Kiel, Germany
- Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany
| | - Melanie Schnell
- Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
- Christian-Albrechts-Universität zu Kiel, Institut für Physikalische Chemie, 24118 Kiel, Germany
- Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany
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24
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Ozcakmak S, Gul O. Inhibition kinetics of Penicillium verrucosum using different essential oils and application of predictive inactivation models. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2017. [DOI: 10.1080/10942912.2017.1308953] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Sibel Ozcakmak
- Samsun Directorate of Provincial Food Agriculture and Livestock, Samsun, Turkey
| | - Osman Gul
- Yeşilyurt Demir–Çelik Vocational School, Department of Food Processing, Ondokuz Mayis University, Samsun, Turkey
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25
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Taherpour AA, Khaef S, Yari A, Nikeafshar S, Fathi M, Ghambari S. Chemical composition analysis of the essential oil of Mentha piperita L. from Kermanshah, Iran by hydrodistillation and HS/SPME methods. J Anal Sci Technol 2017. [DOI: 10.1186/s40543-017-0122-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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26
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Rehman SU, Latief R, Bhat KA, Khuroo MA, Shawl AS, Chandra S. Comparative analysis of the aroma chemicals of Melissa officinalis using hydrodistillation and HS-SPME techniques. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.09.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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27
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Cirlini M, Mena P, Tassotti M, Herrlinger KA, Nieman KM, Dall'Asta C, Del Rio D. Phenolic and Volatile Composition of a Dry Spearmint (Mentha spicata L.) Extract. Molecules 2016; 21:E1007. [PMID: 27527127 PMCID: PMC6274304 DOI: 10.3390/molecules21081007] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 07/25/2016] [Accepted: 07/27/2016] [Indexed: 11/16/2022] Open
Abstract
The present paper reports a complete mass spectrometric characterization of both the phenolic and volatile fractions of a dried spearmint extract. Phenolic compounds were analysed by ultra-high performance liquid chromatography-electrospray ionization-mass spectrometry (UHPLC-ESI-MS(n)) and a total of 66 compounds were tentatively identified, being the widest phenolic characterisation of spearmint to date. The analysis suggests that the extract is composed of rosmarinic acid and its derivatives (230.5 ± 13.5 mg/g) with smaller amounts of salvianolic acids, caffeoylquinic acids, hydroxybenzoic acids, hydroxycinnamic acids, flavones, and flavanones. Head space solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS) technique, that was applied to characterize the volatile fraction of spearmint, identified molecules belonging to different chemical classes, such as p-cymene, isopiperitone, and piperitone, dihydroedulan II, menthone, p-cymen-8-ol, and β-linalool. This comprehensive phytochemical analysis can be useful to test the authenticity of this product rich in rosmarinic acid and other phenolics, and when assessing its biological properties. It may also be applied to other plant-derived food extracts and beverages containing a broad range of phytochemical compounds.
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Affiliation(s)
- Martina Cirlini
- Department of Food Science, University of Parma, Parma 43125, Italy.
| | - Pedro Mena
- Department of Food Science, University of Parma, Parma 43125, Italy.
| | - Michele Tassotti
- Department of Food Science, University of Parma, Parma 43125, Italy.
| | | | - Kristin M Nieman
- Kemin Foods, L.C., 2100 Maury Street, Des Moines, IA 50317, USA.
| | - Chiara Dall'Asta
- Department of Food Science, University of Parma, Parma 43125, Italy.
| | - Daniele Del Rio
- Kemin Foods, L.C., 2100 Maury Street, Des Moines, IA 50317, USA.
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Volatile Composition of Essential Oils from Different Aromatic Herbs Grown in Mediterranean Regions of Spain. Foods 2016; 5:foods5020041. [PMID: 28231136 PMCID: PMC5302349 DOI: 10.3390/foods5020041] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/10/2016] [Accepted: 05/23/2016] [Indexed: 11/17/2022] Open
Abstract
Volatile composition of essential oils from dill, parsley, coriander, and mint were investigated at different harvest dates to determine the most suitable harvest time for each these herbs. Hydrodistillation (HD), using a Deryng system, was used for isolating the essential oils. Isolation and identification of the volatile compounds were performed using gas chromatography-mass spectrometry (GC-MS) instrument. The results of gas chromatography-flame ionization detector (GC-FID) analysis (quantification) showed that the main components in the essential oil of dill shoots were α-phellandrene, dill ether, and β-phellandrene, and the optimal harvest date was D2 (second harvest, fourth week of February 2015). For parsley shoots, the main compounds were 1,3,8-p-menthatriene, β-phellandrene, and P1 (first harvest, third week of November 2014) was the sample with the highest essential oil. For coriander, the main compounds were E-2-dodecenal, dodecanal, and octane and the highest contents were found at C2 (second harvest, 5 February 2015); while, the main two components of mint essential oil were carvone and limonene, and the highest contents were found at M1 (first harvest, second week of December 2014). The present study was the first one reporting data on descriptive sensory analysis of aromatic herbs at this optimal harvest date according to the content of volatile compounds of their essential oils.
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Buleandra M, Oprea E, Popa DE, David IG, Moldovan Z, Mihai I, Badea IA. Comparative Chemical Analysis of Mentha piperita and M. spicata and a Fast Assessment of Commercial Peppermint Teas. Nat Prod Commun 2016. [DOI: 10.1177/1934578x1601100433] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The hydrodistilled essential oils and volatile compounds (by static headspaces technique) of Mentha piperita L. and M. spicata L. were characterized by GC-MS. Headspace analysis of Mentha piperita revealed the existence of menthone (25.4%), 1,8-cineole (17.7%) and menthol (12.1%) as the main components, while the essential oil contained high amounts of menthol (46.8%) and menthone (25.6%). By contrast, headspace analysis of M spicata showed a high content of limonene (37.0%) together with carvone (13.0%), β-pinene (10.4%) and α-pinene (9.8%), while the essential oil was reach in carvone (51.7%), dihydrocarveol (11.5%) and cis-dihydrocarvone (9.1%). Eleven samples of peppermint tea available on the Romanian market were analysed by headspace GC-MS. The volatile profile of the tea samples was compared with that of Mentha piperita L. and certain differences were emphasized and discussed.
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Affiliation(s)
- Mihaela Buleandra
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Eliza Oprea
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 2–14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Dana Elena Popa
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Iulia Gabriela David
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Zenovia Moldovan
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Iuliana Mihai
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
| | - Irinel Adriana Badea
- Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, 2-14 Blvd. Regina Elisabeta, 030018, Bucharest, Romania
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Ogawa K, Yabe H, Kitayama T, Ito M. Locomotor-Reducing Activity of Sesquiterpenes Related to Zingiber zerumbet Essential Oil and Hexahydrozerumbone Derivatives. Biol Pharm Bull 2016; 39:1077-80. [DOI: 10.1248/bpb.b16-00141] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kakuyou Ogawa
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyoto University
| | - Hironobu Yabe
- Department of Advanced Bioscience, Graduate School of Agriculture, Kinki University
| | - Takashi Kitayama
- Department of Advanced Bioscience, Graduate School of Agriculture, Kinki University
| | - Michiho Ito
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyoto University
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31
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Ismail N, Ali NAM, Jamil M, Rahiman MHF, Taib MN, Tajuddin SN. Major Volatile Chemical Compounds of Agarwood Oils from Malaysia Based on Z-Score Technique. Chem Nat Compd 2015. [DOI: 10.1007/s10600-015-1409-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Handheld Raman Spectroscopy for the Distinction of Essential Oils Used in the Cosmetics Industry. COSMETICS 2015. [DOI: 10.3390/cosmetics2020162] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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33
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Janssen A, Fonseca JO, Colares F, Silva L, Pedrosa ARP, Lima ER, van Wijk M, Pallini A, Oliveira CM, Sabelis MW, Lesna I. Time scales of associating food and odor by predator communities in the field. Behav Ecol 2014. [DOI: 10.1093/beheco/aru094] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Chen HC, Tsai YJ, Lin LY, Wu CS, Tai SP, Chen YC, Chiang HM. Volatile Compounds from Roots, Stems and Leaves of Angelica acutiloba growing in Taiwan. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400900441] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The present study analyzed and compared the volatile compounds in fresh Angelica acutiloba roots, stems and leaves both qualitatively and quantitatively. The volatile compounds were isolated by either steam distillation (SD) or headspace-solid phase microextraction (HS-SPME). A total of 61 compounds were identified using gas chromatography/mass spectrometry (GC/MS). All 61 compounds were verified by SD, with 3n-butyl phthalide, γ-terpinene, p-cymene and cis-β-ocimene as the main compounds. Thirty-three compounds were verified by HS-SPME, with γ-terpinene and p-cymene as the main compounds. The leaf samples contained the highest essential oil content. Compared with SD, HS-SPME sampling resulted in relatively higher amounts of highly volatile monoterpenes and lower amounts of less volatile compounds such as 3n-butyl phthalide. These findings demonstrate that A acutiloba roots, stems and leaves have high 3 n-butyl phthalide contents; thus, all parts of A. acutiloba may be used for further application and development.
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Affiliation(s)
- Hsin-Chun Chen
- Department of Cosmeceutics, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Yi-Jr Tsai
- Department of Cosmeceutics, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Li-Yun Lin
- Department of Food Science and Technology, Hungkuang University, Taichung 433, Taiwan, R.O.C
| | - Chin-Sheng Wu
- Department of Cosmeceutics, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Shan-Pao Tai
- Department of Applied Life Science and Health, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan, R.O.C
| | - Yu-Chang Chen
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Hsiu-Mei Chiang
- Department of Cosmeceutics, China Medical University, Taichung 404, Taiwan, R.O.C
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35
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Basaglia G, Fiori J, Leoni A, Gotti R. Determination of Estragole in Fennel Herbal Teas by HS-SPME and GC–MS. ANAL LETT 2013. [DOI: 10.1080/00032719.2013.834444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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36
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Headspace solid-phase microextraction analysis of volatile components in Narcissus tazetta var. chinensis Roem. Molecules 2013; 18:13723-34. [PMID: 24201208 PMCID: PMC6269655 DOI: 10.3390/molecules181113723] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 10/28/2013] [Accepted: 11/01/2013] [Indexed: 12/04/2022] Open
Abstract
The volatile components in single-flowered and double-flowered Chinese narcissus were identified by headspace-solid phase microextraction (HS-SPME) coupled with GC and GC/MS. Changes in aroma during the vase-life (days 0, 1, 2, 3, 4, 5 and 6) of two samples were also studied. A total of 35 compounds were identified, of which all were present in single-flowered and 26 in double-flowered samples. The main aroma components were (E)-β-ocimene, and benzyl acetate. Single-flowered narcissus have a higher percentage of benzyl acetate, while double-flowered narcissus have a higher percentage of 1,8-cineole. In vase-life, the total volatile component content peaked on day 2 for single-flowered and day 3 for the double-flowered narcissus. For both single-flowered and double-flowered narcissus flowers, the total content of volatile components had decreased significantly by day 4.
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37
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Kapp K, Hakala E, Orav A, Pohjala L, Vuorela P, Püssa T, Vuorela H, Raal A. Commercial peppermint (Mentha×piperita L.) teas: Antichlamydial effect and polyphenolic composition. Food Res Int 2013. [DOI: 10.1016/j.foodres.2013.02.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Torabbeigi M, Aberoomand Azar P. Analysis of essential oil compositions ofLavandula angustifoliaby HS-SPME and MAHS-SPME followed by GC and GC-MS. ACTA CHROMATOGR 2013. [DOI: 10.1556/achrom.25.2013.3.12] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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39
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Mellouk H, Meullemiestre A, Maache-Rezzoug Z, Allaf K, Rezzoug SA. Isolation of Volatiles from Oak Wood (Quercus alba) by a Thermomechanical Process: Screening of some Processing Parameters. SEP SCI TECHNOL 2013. [DOI: 10.1080/01496395.2013.771671] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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40
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Tyagi AK, Gottardi D, Malik A, Guerzoni ME. Anti-yeast activity of mentha oil and vapours through in vitro and in vivo (real fruit juices) assays. Food Chem 2013. [DOI: 10.1016/j.foodchem.2012.10.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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41
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Peng LW, Sheu MJ, Lin LY, Wu CT, Chiang HM, Lin WH, Lee MC, Chen HC. Effect of heat treatments on the essential oils of kumquat (Fortunella margarita Swingle). Food Chem 2013; 136:532-7. [DOI: 10.1016/j.foodchem.2012.08.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Revised: 07/30/2012] [Accepted: 08/09/2012] [Indexed: 10/28/2022]
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42
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Selection and authentication of botanical materials for the development of analytical methods. Anal Bioanal Chem 2012; 405:4419-28. [PMID: 23224664 DOI: 10.1007/s00216-012-6595-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Accepted: 11/20/2012] [Indexed: 10/27/2022]
Abstract
Herbal products, for example botanical dietary supplements, are widely used. Analytical methods are needed to ensure that botanical ingredients used in commercial products are correctly identified and that research materials are of adequate quality and are sufficiently characterized to enable research to be interpreted and replicated. Adulteration of botanical material in commerce is common for some species. The development of analytical methods for specific botanicals, and accurate reporting of research results, depend critically on correct identification of test materials. Conscious efforts must therefore be made to ensure that the botanical identity of test materials is rigorously confirmed and documented through preservation of vouchers, and that their geographic origin and handling are appropriate. Use of material with an associated herbarium voucher that can be botanically identified is always ideal. Indirect methods of authenticating bulk material in commerce, for example use of organoleptic, anatomical, chemical, or molecular characteristics, are not always acceptable for the chemist's purposes. Familiarity with botanical and pharmacognostic literature is necessary to determine what potential adulterants exist and how they may be distinguished.
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43
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Rentzsch S, Podzimska D, Voegele A, Imbeck M, Müller K, Linkies A, Leubner-Metzger G. Dose- and tissue-specific interaction of monoterpenes with the gibberellin-mediated release of potato tuber bud dormancy, sprout growth and induction of α-amylases and β-amylases. PLANTA 2012; 235:137-51. [PMID: 21858448 DOI: 10.1007/s00425-011-1501-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2011] [Accepted: 08/05/2011] [Indexed: 05/05/2023]
Abstract
Gibberellins (GA) are involved in bud dormancy release in several species. We show here that GA-treatment released bud dormancy, initiated bud sprouting and promoted sprout growth of excised potato tuber bud discs ('eyes'). Monoterpenes from peppermint oil (PMO) and S-(+)-carvone (CAR) interact with the GA-mediated bud dormancy release in a hormesis-type response: low monoterpene concentrations enhance dormancy release and the initiation of bud sprouting, whereas high concentrations inhibit it. PMO and CAR did, however, not affect sprout growth rate after its onset. We further show that GA-induced dormancy release is associated with tissue-specific regulation of α- and β-amylases. Molecular phylogenetic analysis shows that potato α-amylases cluster into two distinct groups: α-AMY1 and α-AMY2. GA-treatment induced transcript accumulation of members of both α-amylase groups, as well as α- and β-amylase enzyme activity in sprout and 'sub-eye' tissues. In sprouts, CAR interacts with the GA-mediated accumulation of α-amylase transcripts in an α-AMY2-specific and dose-dependent manner. Low CAR concentrations enhance the accumulation of α-AMY2-type α-amylase transcripts, but do not affect the α-AMY1-type transcripts. Low CAR concentrations also enhance the accumulation of α- and β-amylase enzyme activity in sprouts, but not in 'sub-eye' tissues. In contrast, high CAR concentrations have no appreciable effect in sprouts on the enzyme activities and the α-amylase transcript abundances of either group. The dose-dependent effects on the enzyme activities and the α-AMY2-type α-amylase transcripts in sprouts are specific for CAR but not for PMO. Different monoterpenes therefore may have specific targets for their interaction with hormone signalling pathways.
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Affiliation(s)
- Sonja Rentzsch
- Faculty of Biology, Institute for Biology II, Botany/Plant Physiology, Albert-Ludwigs-University, Schänzlestr.1, 79104, Freiburg, Germany
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44
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Padalia RC, Verma RS, Chanotiya CS. Variability in Volatile Terpenoid Compositions of Peppermint Cultivars and Some Wild Accession from Northern India. JOURNAL OF ESSENTIAL OIL RESEARCH 2011. [DOI: 10.1080/10412905.2011.9700444] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Rajendra C. Padalia
- a Central Institute of Medicinal and Aromatic Plants (CIMAP, CSIR), Research Center , Pantnagar, 263 149, Uttarakhand, India
| | - Ram S. Verma
- a Central Institute of Medicinal and Aromatic Plants (CIMAP, CSIR), Research Center , Pantnagar, 263 149, Uttarakhand, India
| | - Chandan S. Chanotiya
- b Central Institute of Medicinal and Aromatic Plants (CIMAP, CSIR) , Lucknow, 226 015, Uttar Pradesh, India
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45
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Tyagi AK, Malik A. Antimicrobial potential and chemical composition of Mentha piperita oil in liquid and vapour phase against food spoiling microorganisms. Food Control 2011. [DOI: 10.1016/j.foodcont.2011.04.002] [Citation(s) in RCA: 122] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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46
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Ranger CM, Reding ME, Oliver JB, Schultz PB, Moyseenko JJ, Youssef N. Comparative efficacy of plant-derived essential oils for managing ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) and their corresponding mass spectral characterization. JOURNAL OF ECONOMIC ENTOMOLOGY 2011; 104:1665-1674. [PMID: 22066197 DOI: 10.1603/ec11106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) pose a significant challenge to producers of ornamental nursery stock. Conventional insecticides are commonly used for management purposes, but plant-derived essential oils also may discourage ambrosia beetles from initiating attacks. To identify promising commercially available products, field-based efficacy trials were conducted in Ohio in 2009 and 2010 with the following products: Armorex (Soil Technologies), Cinnacure (Proguard, Inc.), EcoTrol (EcoSMART Technologies, Inc.), and Veggie Pharm (Pharm Solutions, Inc.). Potted Magnolia virginiana L. were first injected with 75 ml of 5% ethanol to ensure ambrosia beetle pressure on experimental trees. Mixtures of each product (10% in water) and a water control were applied until runoff and attacks occurring under field conditions were quantified at 1, 4, 7, and 14 d after treatment (DAT). Ambrosia beetle attacks generally increased over time but at differing rates depending on the particular treatment. In 2009, Armorex and Veggie Pharm were associated with the lowest cumulative attacks 14 DAT. In 2010, Armorex and Cinnacure were associated with the fewest attacks 14 DAT. Solid phase microextraction-gas chromatography-mass spectrometry was used to characterize the volatile compounds associated with each product. Allyl isothiocyanate, a compound with known repellent and insecticidal properties, was unique and predominant in Armorex. These experiments identified commercially available botanicals containing plant essential oils with activity against ambrosia beetles, along with demonstrating the usefulness of ethanol-injection to ensure ambrosia beetle pressure under field conditions. Characterizing the constituents of efficacious botanically based products could also lead to the development of improved botanical insecticides.
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Affiliation(s)
- Christopher M Ranger
- USDA-Agricultural Research Service, Application Technology Research Unit, Horticultural Insects Research Laboratory, Wooster, OH 44691, USA.
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47
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Fiori J, Naldi M, Gotti R. HS–SPME–GC–MS for the Quantitation and Chiral Characterization of Camphor and Menthol in Creams. Chromatographia 2010. [DOI: 10.1365/s10337-010-1735-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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48
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Behn H, Albert A, Marx F, Noga G, Ulbrich A. Ultraviolet-B and photosynthetically active radiation interactively affect yield and pattern of monoterpenes in leaves of peppermint (Mentha x piperita L.). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:7361-7367. [PMID: 20481601 DOI: 10.1021/jf9046072] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Solar radiation is a key environmental signal in regulation of plant secondary metabolism. Since metabolic responses to light and ultraviolet (UV) radiation exposure are known to depend on the ratio of spectral ranges (e.g., UV-B/PAR), we examined effects of different UV-B radiation (280-315 nm) and photosynthetically active radiation (PAR, 400-700 nm) levels and ratios on yield and pattern of monoterpenoid essential oil of peppermint. Experiments were performed in exposure chambers, technically equipped for realistic simulation of natural climate and radiation. The experimental design comprised four irradiation regimes created by the combination of two PAR levels including or excluding UV-B radiation. During flowering, the highest essential oil yield was achieved at high PAR (1150 micromol m(-2) s(-1)) and approximate ambient UV-B radiation (0.6 W m(-2)). Regarding the monoterpene pattern, low PAR (550 micromol m(-2) s(-1)) and the absence of UV-B radiation led to reduced menthol and increased menthone contents and thereby to a substantial decrease in oil quality. Essential oil yield could not be correlated with density or diameter of peltate glandular trichomes, the epidermal structures specialized on biosynthesis, and the accumulation of monoterpenes. The present results lead to the conclusion that production of high quality oils (fulfilling the requirements of the Pharmacopoeia Europaea) requires high levels of natural sunlight. In protected cultivation, the use of UV-B transmitting covering materials is therefore highly recommended.
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Affiliation(s)
- Helen Behn
- Section Crop and Horticultural Sciences, Institute of Crop Sciences and Resource Conservation, University of Bonn, Bonn, Germany
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49
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Rios-Estepa R, Lange I, Lee JM, Lange BM. Mathematical modeling-guided evaluation of biochemical, developmental, environmental, and genotypic determinants of essential oil composition and yield in peppermint leaves. PLANT PHYSIOLOGY 2010; 152:2105-19. [PMID: 20147490 PMCID: PMC2850044 DOI: 10.1104/pp.109.152256] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2009] [Accepted: 02/04/2010] [Indexed: 05/04/2023]
Abstract
We have previously reported the use of a combination of computational simulations and targeted experiments to build a first generation mathematical model of peppermint (Menthaxpiperita) essential oil biosynthesis. Here, we report on the expansion of this approach to identify the key factors controlling monoterpenoid essential oil biosynthesis under adverse environmental conditions. We also investigated determinants of essential oil biosynthesis in transgenic peppermint lines with modulated essential oil profiles. A computational perturbation analysis, which was implemented to identify the variables that exert prominent control over the outputs of the model, indicated that the essential oil composition should be highly dependent on certain biosynthetic enzyme concentrations [(+)-pulegone reductase and (+)-menthofuran synthase], whereas oil yield should be particularly sensitive to the density and/or distribution of leaf glandular trichomes, the specialized anatomical structures responsible for the synthesis and storage of essential oils. A microscopic evaluation of leaf surfaces demonstrated that the final mature size of glandular trichomes was the same across all experiments. However, as predicted by the perturbation analysis, differences in the size distribution and the total number of glandular trichomes strongly correlated with differences in monoterpenoid essential oil yield. Building on various experimental data sets, appropriate mathematical functions were selected to approximate the dynamics of glandular trichome distribution/density and enzyme concentrations in our kinetic model. Based on a chi2 statistical analysis, simulated and measured essential oil profiles were in very good agreement, indicating that modeling is a valuable tool for guiding metabolic engineering efforts aimed at improving essential oil quality and quantity.
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Affiliation(s)
| | | | | | - B. Markus Lange
- Institute of Biological Chemistry (R.R.-E., I.L., B.M.L.), School of Chemical Engineering and Bioengineering (R.R.-E., J.M.L.), and M.J. Murdock Metabolomics Laboratory (B.M.L.), Washington State University, Pullman, Washington 99164–6340
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50
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Golebiowski M, Ostrowski B, Paszkiewicz M, Czerwicka M, Kumirska J, Halinski L, Malinski E, Stepnowski P. Chemical composition of commercially available essential oils from blackcurrant, ginger, and peppermint. Chem Nat Compd 2009. [DOI: 10.1007/s10600-009-9171-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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