Sentences with phrase «of organic compounds called»

A group of organic compounds called phenylpropanoids are found in the essential oils of some plants, and show promise as possible anti-inflammatory substances.

Not exact matches

Soy oil is generally separated from flaked soybeans — leaving defatted meal that's ground into flour — using a chemical called hexane, one of the volatile organic compounds that constitutes natural gas, crude oil and gasoline.

A study published in the Archives of Environmental Health in 1999, found that disposable diapers release chemicals called volatile organic compounds (VOCs), including toluene, ethylbenzene, xylene and dipentene.

The researchers, who released their findings in the current issue of the Journal of Functional Foods, suggest that cruciferous vegetables — such as broccoli, brussels sprouts and cabbage — contain an organic chemical compound called indole glucosinolates, which breaks down into other compounds, including indolocarbazole — ICZ — in the stomach.

Evidence for such an origin might be bolstered if scientists find signs of other materials known to be present in comets, like carbon - based compounds called organics.

By simply adding the starting compounds, Cronin's team could synthesize a variety of simple compounds, including a ring - containing organic compound called ethylbenzene.

They hit upon a small organic compound called SB 247464 that stimulated the growth of mouse white blood cells in culture and in living mice.

Cold, sluggish Titan has evolved much more slowly, so the dirty orange organic chemicals that tint its surface — most likely dominated by tarry compounds called tholins — could be a deep - freeze model of early Earth.

They found that organic compounds, called amino nitriles, the molecular precursors to amino acids, were able to use molecules present in interstellar ice to trigger the formation of the backbone molecule, 2 - deoxy - D - ribose, of DNA.

The presence of these so - called herbivore - induced volatile organic compounds can make the plant less attractive to pollinators, which can reduce pollen deposition and negatively affect individual plants, an effect known as herbivore - induced pollinator limitation.

Of course, the more we burn, the more we produce those man - made precursor pollutants, such as nitrous oxides and so - called volatile organic compounds.

Among biogenic volatile organic molecules is a class of compounds called monoterpenes, which react with ozone, hydroxyl radicals, nitrogen oxides, and other gases in the atmosphere.

The team made crystals composed of an organic compound, called azobenzene, commonly used in dye manufacturing, and oleic acid, commonly found in cooking oil.

Like vehicles and power plants, trees emit airborne chemicals called volatile organic compounds (VOCs), which in the presence of sunlight react with nitrogen oxides in vehicle fumes to form ozone, one of the components in smog that makes it a health threat.

The study concerns the most abundant class of carbon - based particles in the atmosphere, so - called volatile organic compounds (VOCs).

Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.

In this discovery, reported by Caltech researchers in June, radio telescopes picked up faint traces of the organic compound propylene oxide in a vast cloud of gas and dust called Sagittarius B2, which is near the center of our galaxy.

Frost and his colleagues developed a method of producing so - called «quinoid» organic compounds from the naturally occurring sugar d - glucose.

The form of mercury in thimerosal — an organic compound called ethyl mercury — is the least studied of all mercury's incarnations.

Instead of metal, this compound contains organic molecules called nitroxides.

Each time the chemists add a head, body or tail to a sample of beads, they also attach simple organic compounds called ketones containing carbon atom chains of varying lengths.

Here's why bourbon might hurt more: many alcoholic beverages contain byproducts of fermentation called congeners, complex organic compounds that in large doses can have toxic effects.

Dirty laundry smells bad because of certain chemicals called volatile organic compounds, which can't always be washed out on an eco-friendly 20 ˚C cycle, according to a new study in the Journal of Chromatography A.

The sensor works by measuring levels of chemicals called volatile organic compounds present in exhaled breath.

The near - infrared mapping spectrometer on NASA's Galileo spacecraft found evidence of the presence of molecules made of oxygen, carbon, sulfur, hydrogen, and nitrogen on Europa, and a hint of the presence of a class of complex organic compounds called tholins which may be driven by pre-biotic processes (more).

That target is an asteroid called Bennu, a type B asteroid, which means it's made primarily of organic compounds and clays.

After analyzing biomarkers in the breath samples of 60 patients, the scientists found a link between bacterial pneumonia and the presence of certain volatile organic compounds (VOCs) produced by a pathogen called A. baumannii.

On top of that, new carpets can also off - gas toxic chemicals called volatile organic compounds (VOCs) when you first bring them into your home.

[12] An organic chemical compound (or related set of compounds) is called a vitamin when it can not be synthesized in sufficient quantities by an organism, and must be obtained from the diet.

There are biometric markers called volatile organic compounds that are on the breath of a patient with cancer.

Organic aerosols that are directly injected in the atmosphere in the particulate phase are called primary organic aerosols (POA), while those that are created by the oxidation of volatile organic compounds are known as secondary organic aerosols (SOA).

You can think of dogs as having two noses — the 300 million olfactory receptors and their Jacobson's organ — and this Synaptic Smelling System (my phrase, trademark pending) allows trained dogs to detect odors called volatile organic compounds.