Search Within
Applied Filters:
Showing 1-30 of 63 results for "


" within Papers
Xiao-Chao Huang et al.
Bioorganic & medicinal chemistry letters, 23(19), 5283-5289 (2013-08-31)
A series of novel α-aminophosphonate derivatives containing DHA structure were designed and synthesized as antitumor agents. In vitro antitumor activities of these compounds against the NCI-H460 (human lung cancer cell), A549 (human lung adenocarcinoma cell), HepG2 (human liver cancer cell)...
Daryl J Smith et al.
Journal of bacteriology, 186(11), 3631-3639 (2004-05-20)
Diterpenoids are naturally occurring plant compounds which have pharmaceutical properties. We have sequenced a 10.4-kbp extension of the dit cluster in Pseudomonas abietaniphila BKME-9, containing genes involved in abietane diterpenoid biodegradation. The ditQ gene was found to encode a cytochrome...
Xin Yang et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 31(1), 53-55 (2008-07-01)
To study chemical compounds from Pinus koraiensis. The constituents were isolated by chromatographic method and the structures were identified on the basis of spectral alanlysis. Eight compounds were identified as 8 (14)-podocarpen-13-on-18-oic acid (1), 15-hydroxydehydroabietic acid (2), 12-hydroxyabietic acid (3)...
Z Pandelides et al.
Ecotoxicology and environmental safety, 101, 168-176 (2014-02-11)
Recent studies have shown that dehydroabietic acid (DHAA), a resin acid present in pulp and paper mill effluent, affects liver energy metabolism and may have anti-estrogenic effects in fish. A chronic-exposure toxicity experiment using immature rainbow trout (Oncorhynchus mykiss) was...
Jingjing Chen et al.
Journal of agricultural and food chemistry, 67(7), 2004-2011 (2019-02-05)
It is of great significance to explore novel applications of renewable resources. In this study, a rosin-based anionic surfactant (abbreviated R-11-2-Na), which contains a large hydrophobic group of 30 carbon atoms, was synthesized. R-11-2-Na forms wormlike micelles in the presence...
Teris A van Beek et al.
Journal of natural products, 70(2), 154-159 (2007-02-24)
Dehydroabietic acid (DHA) (1) is one of the main compounds in Scots pine wood responsible for aquatic and microbial toxicity. The degradation of 1 by Trametes versicolor and Phlebiopsis gigantea in liquid stationary cultures was followed by HPLC-DAD-ELSD. Both fungi...
Victòria Beltran et al.
Analytical and bioanalytical chemistry, 408(15), 4073-4082 (2016-04-08)
Resins obtained from Pinus genus species have been widely used in very different fields throughout history. As soon as the resins are secreted, molecular changes start altering their chemical, mechanical and optical properties. The ageing processes are complex, and the...
Daryl J Smith et al.
Journal of bacteriology, 189(17), 6195-6204 (2007-06-26)
Abietane diterpenoids are defense compounds synthesized by trees that are abundant in natural environments and occur as significant pollutants from pulp and paper production. Burkholderia xenovorans LB400 has diverse catabolic capabilities and represents an important group of heterotrophic bacteria in...
Sara Axelsson et al.
Journal of environmental monitoring : JEM, 13(10), 2940-2945 (2011-08-30)
Resin acids are constituents of natural and technical products of widespread use. Exposure is known to cause health effects in the airways and on the skin. Liquid chromatography/positive ion electrospray-mass spectrometry (HPLC/pos ESI-MS) was investigated for determination of 7-oxodehydroabietic (7-OXO)...
Sreejon Das et al.
Chemosphere, 262, 128316-128316 (2020-11-14)
Resin acids in pulp and paper mills wastewater are potentially partitioned in the solids in post-primary clarification due to higher hydrophobicity with log Kow ∼1.74-5.80. They are known to adversely affect anaerobic digestion (AD) process, although the effect has not...
Aileen Berasategui et al.
Molecular ecology, 26(15), 4099-4110 (2017-05-26)
The pine weevil (Hylobius abietis), a major pest of conifer forests throughout Europe, feeds on the bark and cambium, tissues rich in terpenoid resins that are toxic to many insect herbivores. Here, we report the ability of the pine weevil...
Miguel A González et al.
European journal of medicinal chemistry, 45(2), 811-816 (2009-11-07)
A series of C18-oxygenated derivatives of dehydroabietic acid were synthesized from commercial abietic acid and evaluated for their cytotoxic, antimycotic, and antiviral activities.
José Leobardo Bañuelos et al.
Physical chemistry chemical physics : PCCP, 22(34), 19009-19021 (2020-08-19)
Water-lean CO2 capture solvents show promise for more efficient and cost-effective CO2 capture, although their long-term behavior in operation has yet to be well studied. New observations of extended structure solvent behavior show that some solvent formulations transform into a...
Wengui Duan et al.
Carbohydrate research, 344(1), 9-13 (2008-11-04)
A new type of chitosan derivative, dehydroabietic acid-modified chitosan (DAMC), was synthesized by the acylation reaction of chitosan with dehydroabietic acid chloride (DHAC) under microwave irradiation. The resulting product (DAMC) was characterized by FT-IR, UV, (1)H NMR, X-ray diffraction (XRD)...
Luís Fernando Leandro et al.
Journal of medical microbiology, 63(Pt 12), 1649-1653 (2014-09-28)
Antibiotic-resistant bacteria have emerged from the widespread use of antibiotics worldwide and have prompted the search for new sources of antimicrobial substances. Pinus spp. contain several bioactive compounds consisting mainly of terpenes, terpenoids and some other aromatic and aliphatic constituents....
Shella Gilbert-Girard et al.
International journal of molecular sciences, 21(9) (2020-04-30)
In recent years, bacterial infections have become a main concern following the spread of antimicrobial resistance. In addition, bacterial biofilms are known for their high tolerance to antimicrobials and they are regarded as a main cause of recalcitrant infections in...
Yingchun Wang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 76(3-4), 328-335 (2010-05-12)
Two series of dehydroabietic acid C-ring derivatives, nitrogen-containing heterocycles (6a-9b) and C-12 substituted compounds (10a-11b), were synthesized and characterized by element analysis, IR, NMR and MS. The UV-vis absorption and fluorescence spectral characteristics of these compounds have been comparatively investigated...
Yong-Mei Cui et al.
Bioorganic & medicinal chemistry letters, 18(19), 5201-5205 (2008-09-16)
A series of dehydroabietic acid (DHAA, 2) derivatives was synthesized and evaluated as BK channel openers in an assay system of CHO-K1 cells expressing hBKalpha channels. Systematic modifications of the peripheral functionality of ring C of DHAA showed that the...
Eunji Kim et al.
International journal of molecular sciences, 20(7) (2019-04-03)
Dehydroabietic acid (DAA) is a naturally occurring diterpene resin acid derived from coniferous plants such as Pinus and Picea. Various bioactive effects of DAA have been studied including antibacterial, antifungal, and anticancer activities. However, the anti-inflammatory mechanism of DAA remains...
Koichi Mitsukura et al.
Biotechnology letters, 27(17), 1305-1310 (2005-10-11)
Mucor circinelloides and Mortierella isabellina hydroxylated dehydroabietic acid (DehA). DehA was converted regio- and stereo-selectively by whole cells of Mr. circinelloides to give 2alpha-hydroxydehydroabietic acid in a 75% molar conversion yield (11 mM from 14.7 mM DehA) after 72 h...
Estefanía Suárez-Vidal et al.
American journal of botany, 108(1), 102-112 (2021-01-30)
Persistence of tree populations in the face of global change relies on their capacity to respond to biotic and abiotic stressors through plastic or adaptive changes. Genetic adaptation will depend on the additive genetic variation within populations and the heritability...
Takeshi Uchida et al.
Fitoterapia, 134, 422-428 (2019-03-13)
Two kinds of biologically active compounds were isolated from the MeOH extract of the Early Cretaceous Burmese amber [99 million years ago (Ma)], which is older than the K-Pg boundary (65 Ma). These compounds had inhibitory activity against the hypersensitive mutant...
Danping Wang et al.
Soft matter, 15(20), 4208-4214 (2019-05-11)
Exploring the self-assembly of oligomeric surfactants is expected to bridge the gap between conventional and polymeric surfactants. Using the natural resource rosin as the starting material, a bio-based star-shaped trimeric quaternary ammonium surfactant (abbreviated tri-R-4-Phe) was synthesized. With three bulky...
Rosin-based chiral wormlike Micelles: Rheological behavior and its application in preparing ultrasmall gold nanoparticles.
Yan, et al.
Journal of Colloid and Interface Science, 579, 61-70 (2020)
Nobuyuki Takahashi et al.
BioFactors (Oxford, England), 37(4), 309-314 (2011-09-15)
Dehydroabietic acid (DAA) is a food-derived terpenoid with various bioactivities. Our previous study has revealed that DAA activates peroxisome proliferator-activated receptor-γ (PPARγ) in luciferase assay and suppresses chronic inflammation in obese adipose tissues. In this study, we examined the effects...
Robert Witzig et al.
Environmental microbiology, 9(5), 1202-1218 (2007-05-03)
Resin acids are tricyclic diterpenoids naturally synthesized by trees that are released from wood during pulping processes. Using a newly designed primer set, genes similar to that encoding the DitA1 catalytic alpha-subunit of the diterpenoid dioxygenase, a key enzyme in...
Sonia Savluchinske-Feio et al.
Journal of microbiological methods, 70(3), 465-470 (2007-07-14)
The antifungal activity of 10 dehydroabietic acid derivatives with different configuration in A and B rings (cis/trans A/B junction) and different substituents and/or functionalities was evaluated in bioassays in vitro and in situ (pine wood blocks). The test compounds dissolved...
Wen Gu et al.
Molecules (Basel, Switzerland), 17(4), 4634-4650 (2012-04-24)
A series of new N-acylhydrazone derivatives were synthesized in good yields through the reactions of dehydroabietic acid hydrazide with a variety of substituted arylaldehydes. The structures of the synthesized compounds were confirmed by IR, 1H- and 13C-NMR, ESI-MS, elemental analysis...
Alexandre Caseiro et al.
Journal of environmental monitoring : JEM, 14(8), 2261-2269 (2012-07-06)
The particulate emissions from biomass burning are a growing concern due to the recent evidence of their ubiquitous and important contribution to the ambient aerosol load. A possible strategy to apportion the biomass burning share of particulate matter is the...
Héloïse Coté et al.
Journal of ethnopharmacology, 194, 684-689 (2016-10-23)
Oleoresin of Abies balsamea (L.) Mill. was used by Native Americans of the boreal forest of Canada and French Canadians to treat various infections, suggesting that oleoresin has antibacterial properties. In this study, the antibacterial activity of whole oleoresin from...
Page 1 of 3
Page 1 of 3