Results 21 to 30 of about 10,122 (231)

Solubility of 4,7-dioxo-7-(4-methylphenyl)heptanoic acid in some organic solvents

open access: diamondVisnyk of the Lviv University. Series Chemistry
M. Ohorodnik   +3 more
openaire   +3 more sources

Complexation forces in aqueous solution. Calorimetric studies of the association of 2-hydroxypropyl-b-cyclodextrin with monocarboxylic acids or cycloalkanols. [PDF]

open access: yes, 2007
The formation of complexes between 2-hydroxypropyl-b-cyclodextrin and monocarboxylic acids or cycloalkanols has been studied calorimetrically at 298 K in phosphate buffer, pH 11.3. The forces involved in the assocn.
CASTRONUOVO, GIUSEPPINA   +2 more
core   +1 more source

Evaluation of Hemp Seed Oils Stability under Accelerated Storage Test

open access: yesAntioxidants, 2022
The interest in hemp seed oil has recently increased, due to the latest regulations which allow its use as food. Hemp seed oil is characterized by a high content of polyunsaturated fatty acids, which are highly prone to oxidation.
Matilde Tura   +4 more
doaj   +1 more source

Production of medium-chain carboxylic acids by Megasphaera sp MH with supplemental electron acceptors [PDF]

open access: yes, 2016
Background: C5-C8 medium-chain carboxylic acids are valuable chemicals as the precursors of various chemicals and transport fuels. However, only a few strict anaerobes have been discovered to produce them and their production is limited to low ...
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core   +1 more source

Transforming micropores to mesopores by heat cycling KOH activated petcoke for improved kinetics of adsorption of naphthenic acids

open access: yesHeliyon, 2023
Formation of activated carbon from petroleum coke by KOH, results in high specific surface area materials that are predominantly microporous. This initial microporosity means that the adsorption kinetics of target species are not as rapid as they could ...
Oliver K.L. Strong   +5 more
doaj   +1 more source

A Clostridium group IV species dominates and suppresses a mixed culture fermentation by tolerance to medium chain fatty acids products [PDF]

open access: yes, 2017
A microbial community is engaged in a complex economy of cooperation and competition for carbon and energy. In engineered systems such as anaerobic digestion and fermentation, these relationships are exploited for conversion of a broad range of ...
Andersen, Stephen   +6 more
core   +2 more sources

Determination of the Fatty Acids in Beer by SPME.

open access: yesKvasný průmysl, 2005
An escalated content of fatty acids during fermentation can influence the quality of final beer. So it is necessary to use the suitable analytical method for the determination of their concentrations in beer or hopped wort.
Tomáš HORÁK   +4 more
doaj   +1 more source

Comprehensive Quality Evaluation for Medicinal and Edible Ziziphi Spinosae Semen before and after Rancidity Based on Traditional Sensory, Physicochemical Characteristics, and Volatile Compounds

open access: yesFoods, 2022
To comprehensively evaluate the quality of medicinal and edible Ziziphi Spinosae Semen (ZSS, the dried ripe seeds of Ziziphus jujuba var. spinosa) before and after rancidity during storage, some indicators including traditional sensory properties ...
Zhenying Liu   +6 more
doaj   +1 more source

Monolayer protection for eletrochemical migration control in silver nanocomposite [PDF]

open access: yes, 2006
©2006 American Institute of Physics. The electronic version of this article is the complete one and can be found online at: http://link.aip.org/link/?APPLAB/89/112112/1DOI:10.1063/1.2353813The authors introduced an effective approach of using monolayer ...
Li, Yi, Wong, C. P.
core   +1 more source

Investigating the Impact of Ultrasound, Microwave, and High-Pressure Processing of Milk on the Volatile Compounds and Sensory Properties of Cheddar Cheese

open access: yesAgriculture, 2022
Each cheese type has a unique flavor. A variety of compounds of various concentrations and different chemical classes contribute to this flavor. In the present study, the effect of processing techniques (ultrasonication (US), high pressure processing ...
Masooma Munir   +8 more
doaj   +1 more source

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