Results 191 to 200 of about 5,890,356 (232)

Investigation on the formations of volatile compounds, fatty acids, and γ-lactones in white and brown rice during fermentation.

Food Chemistry, 2018
Volatile compounds, including γ-lactones, in brown and white rice fermented by Lactobacillus paracasei, were compared using gas chromatography-mass spectrometry (GC-MS) with stir-bar sorptive extraction (SBSE).
S. M. Lee, Hyeon-Ji Lim, Ji Won Chang, Byung-serk Hurh, Young-S. Kim   +4 more
semanticscholar   +1 more source

Ricinoleic Acid in Common Vegetable Oils and Oil Seeds

Lipids, 2008
AbstractAn original gas chromatography/mass spectrometry method for quantifying trace amounts of ricinoleic acid (12‐hydroxy‐cis‐9‐octadecenoic acid) is detailed. Data are presented on trace amounts of ricinoleic acid found in several common vegetable oils and oils extracted from common oil seeds: e.g., ca. 30 ppm in commercial olive oil was the lowest
Kouhei, Yamamoto, Akemi, Kinoshita, Akira, Shibahara   +2 more
openaire   +2 more sources

Intracellular transformation rates of fatty acids are influenced by expression of the fatty acid transporter FadL in Escherichia coli cell membrane.

Journal of Biotechnology, 2018
Fatty acids have a low permeability through the cell membrane. Therefore, the intracellular biotransformation of fatty acids can be slow due to supply limitations.
Eunyoung Jeon, Ji-Won Song, Hee-Jeong Cha, Sun-Mee Lee, Jinwon Lee, Jin‐Byung Park   +5 more
semanticscholar   +1 more source

Lactic and Ricinoleic Acid Based Copolyesters Stereocomplexation

Macromolecules, 2005
A systematic study of the synthesis and stereocomplexation of l-lactic acid and ricinoleic acid based copolyesters is reported. l-lactic acid and ricinoleic acid based copolyesters were synthesized by melt condensation and transesterification of high-molecular-weight poly(lactic acid) (PLA) with ricinoleic acid and repolymerization by condensation to ...
Raia Slivniak, Robert Langer, Abraham J. Domb   +2 more
openaire   +1 more source

Determination of ricinoleic acid by differentiating titrations

Journal of the American Oil Chemists' Society, 1965
AbstractA technique based on a method of differentiating titrations was developed for the resolution of mixtures of ricinoleic, sulfuric and ethylsulfuric acids. The total and partial acid values were determined by potentiometric titration with a glass‐calomel electrode using aqueous sodium hydroxide as titrant.
Narses Barona, H. W. Prengle
openaire   +1 more source

QSAR studies of antibacterial ricinoleic acid derivatives

Pharmaceutical Chemistry Journal, 2007
A series of ricinoleic acid derivatives has been synthesized and tested for antibacterial activity with respect to four standard strains. Dibromoricinoleic acid (DBRA) showed high activity comparable with that of the reference drug ciprofloxacin. QSARs between various physicochemical indices and the antibacterial activity of a training set including 12
B. Narasimhan, V. K. Mourya, A. S. Dhake
openaire   +1 more source

Surfactant enhanced ricinoleic acid production using Candida rugosa lipase

Bioresource Technology, 2010
In this study, ricinoleic acid was produced on surfactant enhanced castor oil hydrolysis using Candida rugosa lipase. The most effective surfactant was Span 80. Employing fractional factorial design, the most suitable temperature and surfactant concentration were found to be 31 degrees C and 0.257% (w/w in buffer) respectively whereas pH, enzyme ...
Debajyoti, Goswami, Ramkrishna, Sen, Jayanta Kumar, Basu, Sirshendu, De   +3 more
openaire   +2 more sources

Endocytosing Escherichia coli as a Whole-Cell Biocatalyst of Fatty Acids.

ACS Synthetic Biology, 2019
Whole cell biocatalysts can be used to convert fatty acids into various value-added products. However, fatty acid transport across cellular membranes into the cytosol of microbial cells limits substrate availability and impairs membrane integrity, which ...
Jonghyeok Shin, Jiwon Yu, Myungseo Park, Chakhee Kim, Hooyeon Kim, Yunjeong Park, Choongjin Ban, E. Seydametova, Young-Ha Song, C. Shin, K. Chung, Ji-min Woo, Hyunwoo Chung, Jin‐Byung Park, Dae-Hyuk Kweon   +14 more
semanticscholar   +1 more source

Polyester polyols and polyurethanes from ricinoleic acid

Journal of Applied Polymer Science, 2008
AbstractTriols of molecular weights (MWs) 1000–4000, suitable for flexible foams, were prepared by transesterification of methyl esters of ricinoleic acid with trimethylol propane. These polyols were noncrystallizing, relatively low‐viscosity liquids. They were reacted with diphenylmethane diisocyanate (MDI) to obtain elastomers having glass transition
Zoran S. Petrović, Ivana Cvetković, DooPyo Hong, Xianmei Wan, Wei Zhang, Tim Abraham, Jeff Malsam   +6 more
openaire   +1 more source

Achieving Superlubricity of Ricinoleic Acid in the Steel/Si3N4 Contact Under Boundary Lubrication

Tribology letter, 2022
Yun-Duo Long, J. Martin, F. Dubreuil, M. de Barros Bouchet   +3 more
semanticscholar   +1 more source