Results 31 to 40 of about 217,585 (392)
Molecules, 2022 Two new lactones, named Ardisicreolides A–B (1–2), together with four known flavonoids, Quercetin (3), Myricetrin (4), Quercitrin (5), Tamarixetin 3-O-rhamnoside (6), were isolated from the ethyl acetate portion of 70% ethanol extracts of dried leaves ...
Huihui Tao +4 more
doaj +1 more source
Nature Communications, 2019 Nonribosomal peptide synthetases produce diverse natural products using a multidomain architecture where the growing peptide, attached to an integrated carrier domain, is delivered to neighboring catalytic domains for bond formation and modification ...
D. Kreitler +4 more
semanticscholar +1 more source
Gac two-component system in Pseudomonas syringae pv. tabaci is required for virulence but not for hypersensitive reaction [PDF]
, 2008 Pseudomonas syringae pv. tabaci 6605 causes wildfire disease on host tobacco plants. To investigate the regulatory mechanism of the expression of virulence, Gac two-Component system-defective mutants, Delta gacA and Delta gacS, and a double mutant, Delta
A Bultreys +38 more
core +1 more source
Directed evolution of Vibrio fischeri LuxR for improved response to butanoyl-homoserine lactone [PDF]
, 2007 LuxR is the 3-oxohexanoyl-homoserine lactone (3OC6HSL) dependent transcriptional activator of the prototypical acyl-homoserine lactone (AHL) quorum sensing system of Vibrio fischeri.
Arnold, Frances H. +4 more
core +3 more sources
A Revised Structure and Assigned Absolute Configuration of Theissenolactone A
Molecules, 2020 Antimicrobial bioassay-guided fractionation of Microcera larvarum led to the isolation of a γ-lactone with a furo[3,4-b]pyran-5-one bicyclic ring system (1) and three known compounds, (3S,4R)-4-hydroxymellein (2), (3S,4S)-4-hydroxymellein (3) and 7 ...
Melissa M. Cadelis +5 more
doaj +1 more source
Journal of Agricultural and Food Chemistry, 2018 Jasmine lactone has a potent odor that contributes to the fruity, sweet floral aroma of tea ( Camellia sinensis). Our previous study demonstrated that jasmine lactone was mostly accumulated at the turnover stage of the oolong tea manufacturing process ...
Lanting Zeng +7 more
semanticscholar +1 more source
Tucumanin, a β-hydroxy-γ-lactone bistetrahydrofuranic acetogenin from Annona cherimolia, is a potent inhibitor of mitochondrial complex I [PDF]
, 2004 A new β-hydroxy-γ-methyl-γ-lactone bistetrahydrofuranic acetogenin, tucumanin, with the infrequent symmetrical threo/trans/threo/trans/ threo relative configuration at the tetrahydrofuran rings was isolated from Annona cherimolia (Annonaceae) seeds.
Alvarez, Olga +8 more
core +1 more source
Baeyer-Villiger Oxidation of Ketones with Hydrogen peroxide in the presence of Nano Zinc oxide [PDF]
شیمی کاربردی روز, 2018 In this work, a new application of nano zinc oxide in Baeyer-Villiger oxidation of ketones with hydrogen peroxide has been introduced. The capability of nano zinc oxide as a heterogeneous catalyst on the basis of of its very small size and large surface ...
Fatemeh Doragi, Mohammad Javaherian
doaj +1 more source
The Comprehensive Utilization of Bean Dregs in High-Fiber Tofu
Foods, 2022 A large quantity of bean dregs is produced by the production of tofu and treated as animal feed or plant fertilizer, which could cause environmental pollution.
Wenjing Lu +7 more
doaj +1 more source
An unusually rapid Claisen rearrangement involving ring expansion [PDF]
, 2000 A Claisen rearrangement of a partially-fluorinated system involving ring expansion occurred at an unusually low temperature, 100 degreesC lower than a comparable system from the ...
Dimartino, Gianluca, Percy, Jonathan
core +1 more source