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1 for eugenol, isoeugenol; and 1 ug kg(-1) for guaiacol.
2 o their higher concentration of syringol and guaiacol.
3  large amounts of phenolic compounds such as guaiacol.
4 s (k (cat)/K (M)): propyl > ethyl > methyl > guaiacol.
5 referentially methylated catechol, producing guaiacol.
6 t the pathway and regulation of synthesis of guaiacol.
7 easuring the spectrophotometric oxidation of guaiacol.
8 er, was prevented by the exogenous reductant guaiacol.
9 spectively, grew on 4-propylguaiacol but not guaiacol.
10  compounds tested: 0.03 muM for catechol and guaiacol; 0.14 muM for pyrogallol and 0.21 muM for hydro
11 he R38A, R38H, and R38H/H42V mutants oxidize guaiacol 10-, 2-, and 55-fold, respectively, more slowly
12 oducts were syringol (2,6-dimethoxy phenol), guaiacol (2-methoxy phenol), phenol, and catechol.
13 on of phenols such as 2,6-dimethoxyphenol or guaiacol (2-methoxyphenol) in the absence of MnII.
14 system, GcoAB, was discovered to demethylate guaiacol (2-methoxyphenol), which can be produced from c
15 c compounds: catechol (benzene-1,2-diol) and guaiacol (2-methoxyphenol).
16      The tropospheric aqueous-phase aging of guaiacol (2-methoxyphenol, GUA), a lignocellulosic bioma
17  acetate, 2,3-butanedione, hexanedioic acid, guaiacol, 2,3-dihydro-2-methyl-1H-benzopyrrol, 3-methylp
18  labelled analogues of six volatile phenols, guaiacol, 4-methylguaiacol, 4-ethylguaiacol, 4-ethylphen
19 rbons (15+1 EU PAH) and phenolic substances (guaiacol, 4-methylguaiacol, syringol, eugenol, and trans
20 butyrate, ethyl caproate, ethyl isovalerate, guaiacol, 5-hydroxymethylfurfural and gamma-decalactone
21 aps for red and white cask wines spiked with guaiacol, a marker of smoke taint.
22 nsory profile, due to the reduction of vinyl guaiacol, a potent off-flavor possessing a peppery/spicy
23                         One such compound is guaiacol, a small volatile molecule with a smoky aroma t
24 ociated with an increase in alpha-terpineol, guaiacol and 2,6-dimethoxyphenol, which suggests thermal
25 aiacyl lignin derived smoke taint compounds, guaiacol and 4-methylguaiacol, represented about 20% of
26  H170A hHRP is catalytically active, and its guaiacol and ABTS peroxidase activities are improved 260
27 e stimulatory effect of Im is 24 mM for both guaiacol and ABTS.
28 roma compounds (vanillin, furfural, eugenol, guaiacol and cis- and trans-whisky lactones) in hydroalc
29 hional, vanillin, acetic acid, nor-furaneol, guaiacol and ethyl 2-methylbutanoate.
30        Differences in turnover rates between guaiacol and I(-) implicate mass transport of substrate
31 odor thresholds in air and odor qualities of guaiacol and its alkylated, alkenylated, and methoxylate
32                                              Guaiacol and its derivatives are commonly found in natur
33 graphy-tandem mass spectrometry, to quantify guaiacol and its glycoconjugates, respectively.
34 as closely related to trans-whiskey lactone, guaiacol and vanillin, whereas astringency and bitternes
35 owers with [(13)C9]l-phenylalanine increased guaiacol and veratrole emission, and a significant porti
36 ding indicated that the benzene ring of both guaiacol and veratrole is derived from BA via SA.
37 se inhibitor 2-aminoindan-2-phosphonic acid, guaiacol and veratrole levels were reduced by 50% and 63
38 ticular, lignin-derived aromatics containing guaiacol and veratrole motifs were competent substrates
39           Besides pulp, a lignin oil rich in guaiacols and syringols is obtained bearing multiple C(a
40              In addition to methods applying guaiacols and syringols present in lignin oil as model s
41  AgcA's binding affinities for the different guaiacols and was the inverse of GcoA(EP4)'s specificiti
42 cyclo[5.2.1.0(2,6)]decane), biomass burning (guaiacol), and biogenic (alpha-pinene) emissions.
43 onstrated by enzymatic assays by using I(-), guaiacol, and ABTS as substrates.
44 ous photoreactions of three phenols (phenol, guaiacol, and syringol) with the aromatic carbonyl 3,4-d
45 is, although methylation of 2-methoxyphenol (guaiacol), another volatile emitted from white campion f
46 hese variants retains the ability to utilize guaiacol as a reductant, they exhibit large decreases in
47 aining (r2=0.92, P<0.05), tissue activity by guaiacol assay (r2=0.65, P<0.001), and immunoblotting.
48 d mechanism for catechol interference in the guaiacol assay as well as the radical nature of peroxida
49 icularly enhanced, enabling the detection of guaiacol at lower concentrations than spontaneous Raman.
50 y adding phenolic acid derivatives (canolol, guaiacol) at concentrations of 20-100 ppm.
51 lence for the high-affinity in vitro agonist guaiacol but do not explain phenotype variation for the
52 -cleavage alkylcatechol dioxygenase, grew on guaiacol but not 4PG.
53                                 Oxidation of guaiacol by peroxidases in the presence of H2O2 is the b
54 t and the mass defect of the lignin-specific guaiacol (C7H7O2) monomeric unit were utilized, readily
55 he zeolite catalyst efficiently controls the guaiacol catalytic pyrolysis mechanism.
56 and related odorous compounds from oak wood: guaiacol, cis-whisky lactone, trans-whisky lactone, gamm
57 re shown by the x-ray structure of the E140G-guaiacol complex, which includes two H-bonds of the subs
58 ve sweetness sensations, whereas furanic and guaiacol compounds influenced bitterness and astringency
59 pennellii introgression lines with increased guaiacol content and higher expression of CTOMT1.
60                                              Guaiacol demethylation to catechol initiates the reactio
61  demonstrated that the metabolic fate of the guaiacol depends on its substitution pattern, a finding
62 the smell properties of structurally related guaiacol derivatives.
63 SERS strips with gold nanoparticles achieved guaiacol detection at the parts-per-billion (mug/L) leve
64 h dichloromethane eluent achieved the lowest guaiacol detection.
65                                          The guaiacol effectiveness was greater (13-19% increase) at
66 ic compounds were detected in the sample and guaiacol, ellagic acid, vanillic acid and protocatechuic
67 ression resulted in slightly increased fruit guaiacol emission, which suggested that catechol availab
68 OMT1 resulted in significantly reduced fruit guaiacol emissions.
69 the end of the study (day 602), only 4-vinyl-guaiacol, eugenol and cis-lactone showed odor activity v
70 ds were determined for 5-methoxyguaiacol and guaiacol, followed by 4-ethyl- and 4-vinylguaiacol.
71 tal, isobutyl acetate, ethyl isovalerate and guaiacol for CRE.
72 the dark aqueous phase reaction of catechol, guaiacol, fumaric, and muconic acids with Fe(III) in the
73  This study investigated the accumulation of guaiacol glycoconjugates in the fruit, shoots and leaves
74                                              Guaiacol glycoconjugates were observed in fruit and leav
75                     Interestingly, levels of guaiacol in the passive samplers had a strong positive c
76 a catechol-O-methyltransferase that produces guaiacol in tomato fruit.
77  o-cresol, p-cresol, eugenol, isoeugenol and guaiacol) in smoked food samples.
78 ew approach for determining volatile phenol (guaiacol) in wine via surface-enhanced Raman spectroscop
79  activity toward a small molecule substrate, guaiacol, increases.
80 s, comprising the application of eugenol and guaiacol (individually or as a mixture) or whiskey lacto
81             Its production accelerates after guaiacol is completely consumed, which is nicely describ
82 g chamber to generate SOA from alpha-pinene, guaiacol, isoprene, tetradecane, and 1,3,5-trimethylbenz
83 ive samplers were able to accurately predict guaiacol levels in smoke exposed grapes and wines with p
84 erries: 3-nonen-2-one, (E,E)-2,4-decadienal, guaiacol, nerolidol, pantolactone+furaneol, eugenol, gam
85                       The high viscosity for guaiacol-NO(3) SOA can be attributed, at least in part,
86 the mixing times of organic molecules within guaiacol-NO(3) SOA.
87  the reaction of NO(3) with guaiacol, termed guaiacol-NO(3) SOA.
88                            We further report guaiacol O-methyltransferase (GOMT) activity in the flow
89        The one-electron peroxidase substrate guaiacol offers incomplete protection of the enzyme from
90  effect was observed between the eugenol and guaiacol on the glycosidically bound aroma precursor fra
91 t veraison) of either an aqueous solution of guaiacol or an aqueous oak extract.
92  but full activity when aromatic substrates, guaiacol or pyrogallol, are used.
93 nd enhancement of the polyphenol oxidase and guaiacol oxidase activity involved in response to increa
94 on by a factor of approximately 10(6) and of guaiacol oxidation by a factor of approximately 10(4).
95                           The pH profile for guaiacol oxidation by this double mutant has a broad max
96                          The kcat values for guaiacol oxidation by wild-type, H42A, and F41H/H42A HRP
97  superoxide dismutase (50%), catalase (35%), guaiacol peroxidase (65%), and ascorbate peroxidase (47%
98 dismutase (SOD), ascorbate peroxidase (APX), guaiacol peroxidase (GPX) and glutathione reductase (GR)
99 alase (CAT), ascorbate peroxidase (APX), and guaiacol peroxidase (GPX) in maize leaves.
100 alase (CAT), ascorbate peroxidase (APX), and guaiacol peroxidase (GPX) significantly increased in pla
101 gate the role of ascorbate peroxidase (APX), guaiacol peroxidase (GPX), polysaccharides, and protein
102                                          The guaiacol peroxidase activities of H193A, Q189V, and Q189
103 orbate peroxidase activity with no effect on guaiacol peroxidase activity.
104 ed with enhanced the activities of catalase, guaiacol peroxidase, and ascorbate peroxidase, resulting
105 ith the physiological responses in catalase, guaiacol peroxidase, superoxide dismutase, soluble prote
106 mes, such as Cu/Zn-SOD, Mn-SOD, CAT, GR, and guaiacol peroxidase, were also determined in connection
107 ost of them exhibit a new H(2)O(2)-dependent guaiacol peroxidation activity.
108 ysis; the main products still were syringol, guaiacol, phenol, the only significant difference being
109 s for formation of major products; syringol, guaiacol, phenols, and substituted phenols.
110   The reactions of Fe(III) with catechol and guaiacol produced significant changes in the optical spe
111 actions of Fe(III) with all organics, except guaiacol, produced fewer and larger polymeric particles
112                                              Guaiacol production increased in both WT and transgenic
113 ested that catechol availability might limit guaiacol production.
114 ompounds, isoamyl alcohols, benzaldehyde and guaiacol registered the largest increase above the conce
115 A1 grows on a mixture of 4-ethylguaiacol and guaiacol, simultaneously catabolizing these substrates t
116           All the SOA, with the exception of guaiacol SOA, emitted OVOCs upon irradiation.
117 ominated in Chardonnay wines: 4-vinylphenol, guaiacol, sotolon and 4-methyl-4-mercapto-2-pentanone.
118 biocolloids was demonstrated by oxidation of guaiacol, styrene, and (4-methylnitrosoamino)-1-(3-pyrid
119 igate four phenolic compounds, i.e., phenol, guaiacol, syringol, and guaiacyl acetone (GA), which rep
120 es generated from the reaction of NO(3) with guaiacol, termed guaiacol-NO(3) SOA.
121 ction of Fe(III), with a stronger effect for guaiacol than catechol.
122                                          For guaiacol, the Km and Vmax values were calculated as 24.8
123 d halogenation reactions (using cosubstrates guaiacol, thioanisole, and monochlorodimedone, respectiv
124 plementary specificities for lignin-relevant guaiacols, this study facilitates the design of these en
125 e shown to include oxidation of catechol and guaiacol to hydroxy- and methoxy-quinones.
126 esides, heat-induced products, i.e., 4-vinyl guaiacol was identified as potential roasting index in i
127 , dark reaction of Fe(III) with catechol and guaiacol was investigated in an aqueous solution at pH 3
128       The presence of a catechol impurity in guaiacol was previously shown to yield an additional pro
129                                  Vanillin or guaiacol were found in concentrations always higher than
130 -ethyl and 4-vinyl derivatives of phenol and guaiacol were more noticeable in Arbequina oils extracte
131 ded by including peroxidase substrates (e.g. guaiacol), which were oxidized to characteristic peroxid
132 t veratrole is derived by the methylation of guaiacol, which itself originates from phenylalanine via
133 erences between the two brew samples was the guaiacol with phenolic-burnt odour.
134 talyze the O-demethylation of lignin-derived guaiacols with different ring substitution patterns.

 
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