CN
Search Within
223190
应用筛选条件
关键词:'223190'
显示 1-30 共 32 条结果 关于 "223190" 范围 论文
Sayamol Sukkaew et al.
Natural product communications, 9(12), 1783-1786 (2015-01-30)
The volatile components of Murraya koenigii fresh leaves, collected from Surat Thani province, Thailand were studied by using headspace (HS) solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS). The four fibers employed to extract the volatiles were polydimethylsiloxane (PDMS)
Catarina L Silva et al.
Talanta, 89, 360-368 (2012-01-31)
A sensitive assay to identify volatile organic metabolites (VOMs) as biomarkers that can accurately diagnose the onset of breast cancer using non-invasively collected clinical specimens is ideal for early detection. Therefore the aim of this study was to establish the
P A Olounladé et al.
Parasitology research, 110(4), 1427-1433 (2011-10-01)
The need for new anthelmintic with no chemical residues is becoming urgent. In a program aiming at the evaluation of plant as sources of new active molecules, the anthelmintic activities of the essential oils (EOs) obtained from either Zanthoxylum zanthoxyloides
Imen Ben El Hadj Ali et al.
Chemistry & biodiversity, 9(7), 1272-1285 (2012-07-12)
Volatiles from 14 wild Tunisian populations of Thymbra capitata (=Thymus capitatus Hoffmanns. et Link=Coridothymus capitatus Rchb.f.), sampled in five ecological areas (sub-humid, upper semi-arid, mean semi-arid, lower semi-arid, and upper arid areas) were analyzed by gas chromatography (GC) and gas
Xiao-Dong Li et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 34(10), 1544-1548 (2012-03-01)
To extract the essential oils from the Seedlings, the Aseptic Seedlings and the Tissue Culture Seedlings of Thymus vulgaris and analyze their chemical components and the relative contents. The essential oils were extracted by steam distillation, the chemical components and
Yonathan Asikin et al.
Journal of agricultural and food chemistry, 60(32), 7973-7980 (2012-07-19)
Citrus peels are important sources of various pleasant aroma compounds and valuable bioactive substances. To investigate differences in the composition and content of Shiikuwasha (Citrus depressa Hayata) peels from different cultivation lines, the composition of volatile aroma components, flavanones, and
Bagora Bayala et al.
PloS one, 9(3), e92122-e92122 (2014-03-26)
This research highlights the chemical composition, antioxidant, anti-inflammatory and anti-proliferative activities of essential oils from leaves of Ocimum basilicum, Ocimum americanum, Hyptis spicigera, Lippia multiflora, Ageratum conyzoides, Eucalyptus camaldulensis and Zingiber officinale. Essential oils were analyzed by gas chromatography-mass spectrometry
K M Marzec et al.
The journal of physical chemistry. A, 115(17), 4342-4353 (2011-04-06)
In the present work, γ-terpinene (a 1,4-diene derivative) and α-phellandrene (1,3-diene derivative) were isolated in cryogenic argon matrices and their structures, vibrational spectra, and photochemistries were characterized with the aid of FTIR spectroscopy and quantum chemical calculations performed at the
Yonathan Asikin et al.
Journal of food science, 77(4), C469-C475 (2012-03-08)
The flavedo peel extracts of unripe Shiikuwasha (Citrus depressa Hayata) fruits were extracted using steam distillation (SD) or a cold-press (CP) system. Volatile aroma content and composition were determined using gas chromatography (GC) and each compound was identified using gas
Jun Tian et al.
International journal of food microbiology, 145(2-3), 464-470 (2011-02-16)
The essential oil extracted from the fruits of Cicuta virosa L. var. latisecta Celak was tested in vitro and in vivo against four foodborne fungi, Aspergillus flavus, Aspergillus oryzae, Aspergillus niger, and Alternaria alternata. Forty-five different components accounting for 98.4%
Johanna Rudbäck et al.
Chemical research in toxicology, 25(3), 713-721 (2012-01-19)
The monoterpene α-terpinene is used as a fragrance compound and is present in different essential oils. It is one of the components responsible for the antioxidant activity of tea tree oil. α-Terpinene is structurally similar to other monoterpenes, e.g., limonene
Gas-phase reaction of (E)-β-farnesene with ozone: Rate coefficient and carbonyl products
Kourtchev I, et al.
Atmospheric Environment, 43, 3182-3190 (2009)
R S Verma et al.
Natural product research, 24(20), 1890-1896 (2010-11-26)
Thymus linearis (Benth. ex Benth) was collected from five distinct locations of western Himalaya (India) during the summer season. The hydro-distilled essential oil (yield 0.84-0.95%) was analysed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). A total of 56
Isabel Rivero-Cruz et al.
Journal of food science, 76(2), C309-C317 (2011-05-04)
In the present study, we reported a comparative analysis of the chemical composition and pharmacological properties of the essential oils obtained from 2 Mexican oreganos, Poliomintha longiflora and Lippia graveolens. The gas chromatography-mass spectrometry (GC-MS) profiles of the oils showed
Chromium-catalyzed radical cyclization of bromo and chloro acetals
MacLeod KC, et al.
Organometallics, 29, 6639-6641 (2010)
Soumaya Bourgou et al.
TheScientificWorldJournal, 2012, 528593-528593 (2012-05-31)
The present work investigates the effect of ripening stage on the chemical composition of essential oil extracted from peel of four citrus: bitter orange (Citrus aurantium), lemon (Citrus limon), orange maltaise (Citrus sinensis), and mandarin (Citrus reticulate) and on their
Adler R Dillman et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(35), E2324-E2333 (2012-08-02)
Many parasitic nematodes actively seek out hosts in which to complete their lifecycles. Olfaction is thought to play an important role in the host-seeking process, with parasites following a chemical trail toward host-associated odors. However, little is known about the
Ekhteraei Tousi Samaneh et al.
Natural product research, 24(19), 1834-1842 (2010-11-26)
Essential oils from the subterranean organs of three species of Valeriana L. from Iran (Valeriana sisymbriifolia Vahl, Valeriana alliariifolia Adams and Valeriana officinalis L.) belonging to Valerianaceae family have been obtained by hydrodistillation and analysed by gas chromatography-mass spectrometry in
Mohammad S Abu-Darwish et al.
Natural product research, 26(14), 1310-1317 (2011-06-29)
The effect of plant space and time of harvesting on yield and quality of Thymus vulgaris was evaluated in Jordan. Thyme was cultivated in rows of 50 cm apart with inter-row spacing of 15, 30 or 45 cm and was grown at
Nataraj Jagannath et al.
Natural product communications, 7(7), 943-946 (2012-08-23)
The essential oil was extracted from the seeds of Heracleum rigens by hydrodistillation and a total of twenty compounds accounting for 98.5% of the total oil composition were identified. Physicochemical properties and chemical composition of the oil was determined by
Iness Bettaieb et al.
Journal of the science of food and agriculture, 91(11), 2100-2107 (2011-06-18)
Cumin (Cuminum cyminum L.) seeds of two geographic origins, Tunisia (TCS) and India (ICS), were studied regarding their fatty acid and essential oil composition. Oil yields were 17.77 and 15.40% for TCS and ICS respectively. Petroselinic acid (C18:1n-12) was the
Gholamreza Kavoosi et al.
Journal of food science, 78(2), T356-T361 (2013-01-17)
Carum copticum and Ferula assafoetida have several medicinal properties including antispasmodic, carminative, sedative, analgesic, and antiseptic. Reactive oxygen species (ROS), reactive nitrogen species (RNS), hydrogen peroxide (H(2) O(2) ), and thiobarbituric acid reactive substances (TBARS) scavenging activities of Carum and
Ram Swaroop Verma et al.
Natural product research, 26(14), 1358-1362 (2011-10-21)
Essential oils derived from six different phenophases, namely early vegetative stage, late vegetative stage, early flowering stage, full flowering stage (FFS), late flowering stage and seed shattering stage of Origanum vulgare L. grown in Kumaon region of Uttarakhand, India were
D Djenane et al.
Food science and technology international = Ciencia y tecnologia de los alimentos internacional, 17(6), 505-515 (2011-11-04)
Essential oils (EOs) extracted by hydrodistillation from leaf parts of Algerian Eucalyptus globulus, Myrtus communis and Satureja hortensis were analyzed by gas chromatography/mass spectrometry (GC/MS). The main components of EOs obtained were γ-terpinene (94.48%), 1,8-cineole (46.98%) and carvacrol (46.10%), respectively
Tais Susane Pereira et al.
Journal of ethnopharmacology, 151(2), 852-857 (2013-12-10)
The volatile essential oil derived from the plant Melaleuca alternifolia, also called tea tree oil (TTO), is largely employed for its antimicrobial properties against several human pathogens. It is used in many topical formulations to treat cutaneous infections. Since very
C Pande et al.
Natural product research, 26(2), 140-145 (2011-08-06)
The essential oils of four wild growing Origanum vulgare L. (family Lamiaceae) collected from different locations in Kumaon region (Uttarakhand, India) were analysed by capillary GC and GC/MS. The comparative results of O. vulgare L. collected from four different regions
Nabila Bouderdara et al.
Natural product communications, 6(1), 115-117 (2011-03-04)
The essential oil of aerial parts of Cachrys libanotis L. (Apiaceae) from east Algeria was extracted by hydrodistillation and analyzed by GC-FID and GC-MS. Thirty-one compounds were identified, the main components being germacrene-D (18.0%), gamma-terpinene (6.4%), p-cymene (5.5%), caryophyllene oxide
Abdulhmid Giweli et al.
Molecules (Basel, Switzerland), 17(5), 4836-4850 (2012-04-28)
The composition of essential oil isolated from Satureja thymbra, growing wild in Libya, was analyzed by GC and GC-MS. The essential oil was characterized by γ-terpinene (39.23%), thymol (25.16%), p-cymene (7.17%) and carvacrol (4.18%) as the major constituents. Antioxidant activity
Amr E Edris
Journal of dietary supplements, 8(1), 34-42 (2012-03-22)
The crude oil of Nigella sativa L. (Black cumin) has well-known nutraceutical and pharmaceutical properties. The oil is prone to rapid oxidative deterioration because of its high content of poly-unsaturated fatty acids. In the current investigation, different cold-pressed crude oils
Ilan Botnick et al.
Molecules (Basel, Switzerland), 17(9), 10159-10177 (2012-08-28)
Black cumin (Nigella sativa L., Ranunculaceae) is an annual herb commonly used in the Middle East, India and nowadays gaining worldwide acceptance. Historical and traditional uses are extensively documented in ancient texts and historical documents. Black cumin seeds and oil
1/2