Database : MEDLINE Search on : Hamamelidaceae [Words] References found : 29 [refine] Displaying: 1 .. 10   in format [Detailed]

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[PMID]: 23062397 [Au] Autor: Weber RW [Ad] Address: National Jewish Health, 1400 Jackson Street Room J326, Denver, CO 80206, USA. [Ti] Title: Allergen of the month--witch hazel. [So] Source: Ann Allergy Asthma Immunol;109(5):A17, 2012 Nov. [Is] ISSN: 1534-4436 [Cp] Country of publication: United States [La] Language: eng [Mh] MeSH terms primary: Allergens/immunology Hamamelidaceae/immunology Hamamelis/immunology Pollen/immunology [Mh] MeSH terms secundary: Allergens/adverse effects Allergens/therapeutic use Hamamelidaceae/adverse effects Hamamelis/adverse effects Humans Phylogeny Phytotherapy Pollen/adverse effects [Pt] Publication type: JOURNAL ARTICLE [Nm] Name of substance: 0 (Allergens) [Em] Entry month: 1212 [Js] Journal subset: IM [Da] Date of entry for processing: 121015 [St] Status: MEDLINE

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[PMID]: 21564835 [Au] Autor: Gao P; Yang A; Yao X; Huang H [Ad] Address: Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan, Hubei 430074, China, Lushan Botanical Garden, Jiangxi Province and the Chinese Academy of Sciences, Lushan, Jiangxi 332900, China, Graduate School of the Chinese Academy of Sciences, Beijing 100039, China. [Ti] Title: Isolation and characterization of nine polymorphic microsatellite loci in the endangered shrub Disanthus cercidifolius var. longipes (Hamamelidaceae). [So] Source: Mol Ecol Resour;9(3):1047-9, 2009 May. [Is] ISSN: 1755-098X [Cp] Country of publication: England [La] Language: eng [Ab] Abstract: Nine polymorphic microsatellite loci were isolated and characterized from an AC-enriched genomic library of Disanthus cercidifolius var. longipes. Microsatellite polymorphism was investigated using 24 individuals from one natural population. The observed number of alleles per locus ranged from two to four. Observed and expected heterozygosities ranged from 0.17 to 0.92 and from 0.16 to 0.72, respectively. These polymorphic microsatellite loci provide useful tools for the ongoing population genetic studies of D. cercidifolius var. longipes. [Pt] Publication type: JOURNAL ARTICLE [Em] Entry month: 1105 [St] Status: In-Data-Review [do] DOI: 10.1111/j.1755-0998.2009.02564.x

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[PMID]: 22372144 [Au] Autor: Tang H; Zheng QF; Ge G; Xue XW; Yan AP; Peng L; Sun BT [Ad] Address: School of Life Sciences and Food Engineering, Nanchang University, Nanchang 330031, China. chinatang2010@live.com [Ti] Title: [Analysis of fatty acids in leaves of Loropetalum chinense and L. chinense var. rubrum by GC-MS]. [So] Source: Zhong Yao Cai;34(10):1549-52, 2011 Oct. [Is] ISSN: 1001-4454 [Cp] Country of publication: China [La] Language: chi [Ab] Abstract: OBJECTIVE: To extract and analyze fatty acids in leaves of L. chinense Oliver and L. chinense var. rubrum Yieh. METHODS: The fatty acids were extracted with Soxhlet extractor and identified by the GC-MS method. RESULTS: 31, 26 and 30 components were identified from the leaves of L. chinense, the green leaves and red leaves of L. chinense var. rubrum. There were 19, 14 and 16 kinds of fatty acid in the respective leaves, which accounted for 99.09%, 95.31% and 98.83% of the total extraction, respectively. The main components in the extraction were oleic acid (30.77%, 47.01%, 75.28%), linoleic acid (48.49%, 29.26%, 0%), hexadecanoic acid (9.83%, 8.87%, 11.71%), octadecanoic acid (3.86%, 3.18%, 4.88%) and docosanoic acid (2.37%, 2.17%, 2.58%). CONCLUSION: Many kinds of unsaturated fatty acids exist in leaves of L. chinense Oliver and L. chinense var. rubrum Yieh. The leaves of these two plants can be used as the traditional Chinese medicine. [Mh] MeSH terms primary: Fatty Acids/analysis Hamamelidaceae/chemistry Plant Leaves/chemistry [Mh] MeSH terms secundary: Fatty Acids/chemistry Fatty Acids, Unsaturated/analysis Gas Chromatography-Mass Spectrometry Hamamelidaceae/classification Linoleic Acid/analysis Oleic Acid/analysis Palmitic Acid/analysis [Pt] Publication type: ENGLISH ABSTRACT; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Fatty Acids); 0 (Fatty Acids, Unsaturated); 112-80-1 (Oleic Acid); 2197-37-7 (Linoleic Acid); 57-10-3 (Palmitic Acid) [Em] Entry month: 1207 [Js] Journal subset: IM [Da] Date of entry for processing: 120229 [St] Status: MEDLINE

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[PMID]: 21351300 [Au] Autor: Ko RK; Kim GO; Hyun CG; Jung DS; Lee NH [Ad] Address: Jeju Bio-Industry Development Center, Jeju Technopark, Ara-1, Jeju, Korea. [Ti] Title: Compounds with tyrosinase inhibition, elastase inhibition and DPPH radical scavenging activities from the branches of Distylium racemosum Sieb. et Zucc. [So] Source: Phytother Res;25(10):1451-6, 2011 Oct. [Is] ISSN: 1099-1573 [Cp] Country of publication: England [La] Language: eng [Ab] Abstract: Twenty compounds were isolated from the ethanol extract of Distylium racemosum branches and their inhibitory activities on tyrosinase, elastase and free radicals evaluated. The isolated compounds were identified as dibenzofurans (1-4), abscisic acid (5), 6'-O-galloylsalidroside (6), catechin derivatives (7-11), gallic acid derivatives (12-14), tyrosol (15), flavonoids (16-18), lupeol (19) and 1,2,3,6-tetragalloylglucose (20). For study of tyrosinase inhibition activities, when compared with arbutin (IC(50) 48.8 µg/mL), four compounds (8, 11, 13, 17) showed higher activities, with IC(50) values of 4.8, 30.2, 40.5 and 37.7 µg/mL, respectively. For the elastase inhibition test, dibenzofuran 1 showed greater activity than the positive control, oleanolic acid (IC(50) 9.7 µg/mL), with an IC(50) of 7.7 µg/mL. In the studies on DPPH radical scavenging activities, five compounds (11, 12, 13, 14, 15) showed higher activities than ascorbic acid (IC(50) 5.0 µg/mL), with IC(50) values of 4.6, 3.9, 2.9, 3.8 and 4.7 µg/mL, respectively. [Mh] MeSH terms primary: Antioxidants/pharmacology Enzyme Inhibitors/pharmacology Free Radical Scavengers/pharmacology Hamamelidaceae/chemistry Monophenol Monooxygenase/antagonists & inhibitors Pancreatic Elastase/antagonists & inhibitors Plant Extracts/pharmacology [Mh] MeSH terms secundary: Animals Antioxidants/isolation & purification Biphenyl Compounds/metabolism Enzyme Inhibitors/isolation & purification Free Radical Scavengers/isolation & purification Inhibitory Concentration 50 Picrates/metabolism Plant Extracts/isolation & purification Plant Stems Skin/enzymology Swine [Pt] Publication type: JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Antioxidants); 0 (Biphenyl Compounds); 0 (Enzyme Inhibitors); 0 (Free Radical Scavengers); 0 (Picrates); 0 (Plant Extracts); 1898-66-4 (2,2-diphenyl-1-picrylhydrazyl); EC 1.14.18.1 (Monophenol Monooxygenase); EC 3.4.21.36 (Pancreatic Elastase) [Em] Entry month: 1203 [Js] Journal subset: IM [Da] Date of entry for processing: 110928 [St] Status: MEDLINE [do] DOI: 10.1002/ptr.3439

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[PMID]: 21489793 [Au] Autor: Kim JA; Yang SY; Wamiru A; McMahon JB; Le Grice SF; Beutler JA; Kim YH [Ad] Address: College of Pharmacy, Chungnam National University, Daejeon 305-764, Republic of Korea. [Ti] Title: New monoterpene glycosides and phenolic compounds from Distylium racemosum and their inhibitory activity against ribonuclease H. [So] Source: Bioorg Med Chem Lett;21(10):2840-4, 2011 May 15. [Is] ISSN: 1464-3405 [Cp] Country of publication: England [La] Language: eng [Ab] Abstract: Two new monoterpene glycosides, distyloside A-B (1-2), and a new megastigmane glucoside, iso-dihydrodendranthemoside A (3) were isolated from twigs and leaves of Distylium racemosum, along with five known phenolic compounds (4-8). The structures were established via spectroscopic techniques and chemical transformations, and the absolute stereochemistry of 3 was determined by Mosher's esterification. A homogeneous fluorescence resonance energy transfer (FRET) quenching assay was used to determine the inhibitory activity of isolates (1-8) on the ribonuclease H enzymes from HIV-1, 2, human, and Escherichia coli. Among them, 6″-O-galloylsalidroside (6) showed potent inhibitory effects with an IC(50) value of 3.5 µM on HIV-2, and 1.7 µM on human RNase H, respectively. [Mh] MeSH terms primary: Enzyme Activation/drug effects Glycosides Hamamelidaceae/chemistry Monoterpenes Plant Extracts/pharmacology Plant Stems/chemistry Ribonuclease H/antagonists & inhibitors [Mh] MeSH terms secundary: Enzyme Inhibitors/chemistry Enzyme Inhibitors/pharmacology Fluorescence Resonance Energy Transfer Glycosides/analysis Glycosides/pharmacology HIV-1/enzymology HIV-2/enzymology Humans Inhibitory Concentration 50 Magnetic Resonance Spectroscopy Molecular Structure Monoterpenes/analysis Monoterpenes/pharmacology Phenols/analysis Phenols/pharmacology Plant Leaves/chemistry [Pt] Publication type: JOURNAL ARTICLE; RESEARCH SUPPORT, N.I.H., EXTRAMURAL; RESEARCH SUPPORT, N.I.H., INTRAMURAL; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Enzyme Inhibitors); 0 (Glycosides); 0 (Monoterpenes); 0 (Phenols); 0 (Plant Extracts); EC 3.1.26.4 (Ribonuclease H) [Em] Entry month: 1108 [Js] Journal subset: IM [Da] Date of entry for processing: 110502 [St] Status: MEDLINE [do] DOI: 10.1016/j.bmcl.2011.03.091

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[PMID]: 20171295 [Au] Autor: Xie L; Yi TS; Li R; Li DZ; Wen J [Ad] Address: Key Laboratory of Biodiversity and Biogeography, Plant Germplasm and Genomics Center, Germplasm Bank of Wild Species, Chinese Academy of Sciences, Kunming 650204, China. [Ti] Title: Evolution and biogeographic diversification of the witch-hazel genus (Hamamelis L., Hamamelidaceae) in the Northern Hemisphere. [So] Source: Mol Phylogenet Evol;56(2):675-89, 2010 Aug. [Is] ISSN: 1095-9513 [Cp] Country of publication: United States [La] Language: eng [Ab] Abstract: The evolution of the eastern Asian and eastern North American disjunction of the witch-hazel genus Hamamelis L. (Hamamelidaceae) was examined through phylogenetic and biogeographic analyses. Phylogenetic relationships of all Hamamelis species were reconstructed using parsimony and Bayesian analyses of sequence data from six plastid (trnL-F, psaA-ycf3, rps16, matK, atpB-rbcL, and psbA-trnH) and two nuclear (ITS and ETS) DNA regions. The phylogeny was then used to infer the biogeographic origin and subsequent diversification using both event-based (DIVA) and maximum likelihood (LAGRANGE) methods incorporating fossil data. The times of divergence within Hamamelis were estimated with the Bayesian approach using the program BEAST. A very low level of molecular variation was detected in both the plastid and the nuclear DNA regions within Hamamelis. The combined analyses resulted in a phylogeny of the genus with higher resolution and support values. Hamamelis was supported to be monophyletic with H. mollis from eastern China diverged first in the genus. All North American species formed a clade and was sister to the eastern Asian H. japonica. Within the North American clade, H. mexicana was sister to H. vernalis, and the recently described species H. ovalis was found to be closely related to the widespread species H. virginiana. The stem age of Hamamelis was estimated to be at the Eocene (51.2 mya, with 95% HDP: 49.0-54.6 mya), and the crown age of the genus was dated to be at the late Miocene (9.7 mya, with 95% HDP: 3.6-18.1 mya, or 10.6 mya, with 95% HDP: 4.2-19.6 mya). The disjunction between the eastern Asian and the eastern North American species was dated to be 7.1 mya (95% HDP: 3.1-13.6 mya) or 7.7 mya (95% HDP: 3.4-13.6 mya). Biogeographic analyses incorporating fossils resulted in more equally possible solutions at the stem lineage of Hamamelis than those including extant species only. Eastern Asia is inferred to be the most-likely area for the origin of Hamamelis. The current disjunction was due to the extinction in western North America and Europe from Eocene to late Miocene, and later migration from eastern Asia into North America. The Bering land bridge was hypothesized to have played an important role in the evolution of this disjunction. The current species diversity of the genus was the result of relatively recent diversification events during the late Miocene rather than long accumulation of lineages from the early Tertiary. [Mh] MeSH terms primary: Evolution, Molecular Hamamelidaceae/genetics Phylogeny [Mh] MeSH terms secundary: Bayes Theorem Cell Nucleus/genetics DNA, Plant/genetics Far East Geography Hamamelidaceae/classification Likelihood Functions Models, Genetic North America Plastids/genetics Sequence Analysis, DNA [Pt] Publication type: JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (DNA, Plant) [Em] Entry month: 1007 [Js] Journal subset: IM [Da] Date of entry for processing: 100614 [St] Status: MEDLINE [do] DOI: 10.1016/j.ympev.2010.02.018

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[PMID]: 20030081 [Au] Autor: Cai B; Wang B; Liang H; Zhao Y [Ad] Address: Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China. [Ti] Title: [Chemical constituents from roots of Distylium myricoides]. [So] Source: Zhongguo Zhong Yao Za Zhi;34(18):2331-3, 2009 Sep. [Is] ISSN: 1001-5302 [Cp] Country of publication: China [La] Language: chi [Ab] Abstract: OBJECTIVE: To study the chemical constituents from the roots of Distylium myricoides. METHOD: The chemical constituents were isolated and separated with chromatographic techniques, and structures were identified by spectroscopic methods. RESULT: Eight phenolic compounds were isolated and identified as: 4-hydroxy-2-methoxyphenol 1-O-beta-D-(6'-O-galloyl) glucopyranoside (1), 4-hydroxy-3-methoxy-phenol 1-O-beta-D-(6'-O-galloyl) glucopyranoside (2), 3,4,5-tri methoxyphenol 1-O-beta-D-(6'-O-galloyl) glucopyranoside (3), 1,2,3,4,6-penta-O-galloyl-beta-D-glucopyranoside (4), methyl gallate (5), ethyl gallate (6), 3,4-dihydroxybenzoic acid (7), gallic acid (8). CONCLUSION: All compounds were isolated from the genus Distylium for the first time. [Mh] MeSH terms primary: Hamamelidaceae/chemistry [Mh] MeSH terms secundary: Drugs, Chinese Herbal/chemistry Drugs, Chinese Herbal/isolation & purification Phenols/chemistry Plant Roots/chemistry [Pt] Publication type: ENGLISH ABSTRACT; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Drugs, Chinese Herbal); 0 (Phenols) [Em] Entry month: 1001 [Js] Journal subset: IM [Da] Date of entry for processing: 091224 [St] Status: MEDLINE

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[PMID]: 19324826 [Au] Autor: Kutsukake M; Shibao H; Uematsu K; Fukatsu T [Ad] Address: National Institute of Advanced Industrial Science and Technology , Tsukuba 305-8566, Japan. [Ti] Title: Scab formation and wound healing of plant tissue by soldier aphid. [So] Source: Proc Biol Sci;276(1662):1555-63, 2009 May 7. [Is] ISSN: 0962-8452 [Cp] Country of publication: England [La] Language: eng [Ab] Abstract: In the social aphid Nipponaphis monzeni, a unique gall-repairing behaviour has been known: when a hole is made on the gall, many soldier nymphs discharge body fluid on the breach, which promptly solidifies and plugs the hole. Here, we experimentally investigated the subsequent fate of repaired galls and their inhabitants. Irrespective of natural repair by soldier nymphs or artificial repair with adhesive, repaired galls survived significantly better than non-repaired galls. Within a month after repair, the plant tissue around the hole proliferated and sealed up the hole. Many soldier nymphs were localized at the hole area and extermination of inhabiting aphids by insecticides aborted the gall regeneration, indicating that the gall regeneration requires inhabiting aphids, wherein soldier nymphs are likely to play a major role. This study provides an unprecedented case of scab formation and wound healing, which occurs at an animal-plant interface: scab derived from insect body fluid promptly plugs damaged plant tissue and subsequently the insects actively stimulate regeneration of the plant tissue, whereby the compromised plant tissue recovers. We suggest that the novel system may have evolved in the aphid lineage through enhancement and recruitment of the pre-existing capabilities of haemolymph coagulation and gall formation. [Mh] MeSH terms primary: Aphids/physiology Behavior, Animal Hamamelidaceae/physiology [Mh] MeSH terms secundary: Animals Insecticides Plant Tumors Regeneration [Pt] Publication type: JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Insecticides) [Em] Entry month: 0907 [Cu] Class update date: 100922 [Lr] Last revision date: 100922 [Js] Journal subset: IM [Da] Date of entry for processing: 090327 [St] Status: MEDLINE [do] DOI: 10.1098/rspb.2008.1628

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[PMID]: 21632390 [Au] Autor: Bowling AJ; Vaughn KC [Ad] Address: Southern Weed Science Research Unit, Agricultural Research Service, P.O. Box 350, U.S. Department of Agriculture, Stoneville, Mississippi 38776 USA. [Ti] Title: Immunocytochemical characterization of tension wood: Gelatinous fibers contain more than just cellulose. [So] Source: Am J Bot;95(6):655-63, 2008 Jun. [Is] ISSN: 0002-9122 [Cp] Country of publication: United States [La] Language: eng [Ab] Abstract: Gelatinous fibers (G-fibers) are the active component of tension wood. G-fibers are unlike traditional fiber cells in that they possess a thick, nonlignified gelatinous layer (G-layer) internal to the normal secondary cell wall layers. For the past several decades, the G-layer has generally been presumed to be composed nearly entirely of crystalline cellulose, although several reports have appeared that disagreed with this hypothesis. In this report, immunocytochemical techniques were used to investigate the polysaccharide composition of G-fibers in sweetgum (Liquidambar styraciflua; Hamamelidaceae) and hackberry (Celtis occidentalis; Ulmaceae) tension wood. Surprisingly, a number of antibodies that recognize arabinogalactan proteins and RG I-type pectin molecules bound to the G-layer. Because AGPs and pectic mucilages are found in other plant tissues where swelling reactions occur, we propose that these polymers may be the source of the contractile forces that act on the cellulose microfibrils to provide the tension force necessary to bend the tree trunk. [Pt] Publication type: JOURNAL ARTICLE [Em] Entry month: 1210 [Da] Date of entry for processing: 110602 [St] Status: PubMed-not-MEDLINE [do] DOI: 10.3732/ajb.2007368

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[PMID]: 17994534 [Au] Autor: Hovaneissian M; Archier P; Mathe C; Culioli G; Vieillescazes C [Ad] Address: Université d'Avignon et des Pays de Vaucluse, Laboratoire de Chimie Bioorganique et des Systèmes Moléculaires Vectoriels, Equipe Chimie appliquée à l'Art et à l'Archéologie, 84000, Avignon, France. [Ti] Title: Analytical investigation of styrax and benzoin balsams by HPLC- PAD-fluorimetry and GC-MS. [So] Source: Phytochem Anal;19(4):301-10, 2008 Jul. [Is] ISSN: 1099-1565 [Cp] Country of publication: England [La] Language: eng [Ab] Abstract: An HPLC and GC study has been conducted on the aromatic oleoresins styrax and benzoin produced by several American, Mediterranean and East-Asian trees, and widely used in ancient civilisations for their therapeutic and odoriferous properties. Initial experiments were performed by HPLC-PAD-fluorimetry for the analysis of several aromatic components, and then completed by GC-MS for the characterisation of both aromatic and triterpenic derivatives. In this work, it was crucial to isolate from fresh natural exudates, and to characterise by two-dimensional NMR, some of the major constituents in order to extend the standard molecular pool prior to chromatographic identifications. This study reveals coniferyl benzoate as an excellent distinctive fluorescent biomarker of Siam benzoin substrate. It also confirms that fluorimetric-coupled detection is a powerful analytical tool for the identification of compounds in Hamamelidaceae extracts that are almost undetectable by UV. GC-MS was successfully applied to the determination of the botanical origin of Sumatra benzoin, and to the identification of lupeol [3beta-lup-20(29)-en-3-ol] for the first time in such balsam-type materials. [Mh] MeSH terms primary: Balsams/analysis Chromatography, High Pressure Liquid/methods Fluorometry/methods Gas Chromatography-Mass Spectrometry/methods Spectrophotometry, Ultraviolet/methods [Mh] MeSH terms secundary: Balsams/isolation & purification Magnetic Resonance Spectroscopy [Pt] Publication type: JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T [Nm] Name of substance: 0 (Balsams) [Em] Entry month: 0808 [Js] Journal subset: IM [Da] Date of entry for processing: 080623 [St] Status: MEDLINE

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