نتایج جستجو برای: propionic acid
تعداد نتایج: 748021 فیلتر نتایج به سال:
In the crystal structure of the title compound, C(10)H(9)Cl(2)NO(3)·H(2)O, the conformations of the amide O atom and the carbonyl O atom of the acid segment are anti to the H atoms of adjacent -CH(2) groups. In the crystal, the mol-ecules are linked into a three-dimensional network through N-H⋯O and O-H⋯O inter-molecular hydrogen bonds.
In the title compound, C(10)H(9)ClN(2)O(3)·H(2)O, the water mol-ecule is a hydrogen-bond donor to the amide and carbonyl O atoms of two acid mol-ecules; it is also a hydrogen-bond acceptor to the acid OH group and the amide H atom. The hydrogen-bonding inter-actions give rise to a two-dimensional array.
ibuprofen was positive in a residual lesion, while patch test with the same drug was negative in upper back. We were curious to know if our patient was sensitised to the rest of the propionic acid group, but due to the small area affected skin, we could not test these additional drugs. Therefore all propionic acid group drugs were forbidden. The patient tolerated acetylsalicylic acid, and then ...
Dairy propionibacteria are widely used in starter cultures for Swiss type cheese. These bacteria can ferment glucose, lactic acid, and glycerol into propionic acid, acetic acid, and carbon dioxide. This research examined the antifungal effect of dairy propionibacteria when glycerol was used as carbon source for bacterial growth. Five type strains of propionibacteria were tested against the yeas...
This study investigated waste activated sludge (WAS) and food (FW) co-fermentation in batch assays to produce carboxylic acids. Three mixtures (50%, 70% 90% WAS VS basis) were studied under different conditions: with without extra alkalinity, auto-hydrolysis pre-treatment. All tests carried out at 35 °C, pH adjustment external inoculum. Experimental results showed that yields, including volatil...
I n an earlier publication (Rook & Line, 1961) it was suggested that the increases in the yield and solids-not-fat (s.N.F.) content of milk that occur in response to an improvement in the plane of energy nutrition of the cow are due to increases in the ruminal production of acetic and propionic acids. Evidence was given supporting the view that the acids differ in their effects on the synthesis...
BACKGROUND The minimum alveolar concentration is determined in the spinal cord rather than in the brain. Xenon inhibits glutamatergic excitatory synaptic transmission in the dorsal horn neurons. However, its actions in the ventral horn neurons have not been investigated. METHODS The effects of 50 or 75% xenon on excitatory and inhibitory synaptic transmission were examined in the spinal lamin...
The purpose of this study was to investigate the effects of warm and cold physical as well as chemical processing methods on the nutritive value of barley grains by gas production technique. The processing methods included milling, steam flaking, extruding and soaking up the grain in water containing 1.00% citric acid, 1.00% propionic acid and 0.01 M sulfuric acid. Two-hundred mg of milling sam...
The chemical profiles of vaginal fluid collected from cows in oestrus and nonoestrus were analysed by gas chromatography-mass spectrometry (GC-MS) to establish any qualitative differences that might have potential value in bovine biocommunication. Eight different organic compounds were detected using the two chromatograms. The chemical profiles of oestrus vaginal fluid were distinguished signif...
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