Tag: "aroma" at biology news

A 300-Million-Year Old Twosome: The Cycad And Its Pollinator

...pollinators,the mature male cone emits heat and an aroma attractive to theinsects, imitated by the female c...ormancy stageinterrupted only by the mature cones' aroma of the cycads' next reproductioncycle. This age-old plant reproduction system beats all recordsof ...

Engineered mice point to new target for pain relief

...ed a coffee shop quickly becomes accustomed to the aroma and no longer notices it. The stimulus hasn't disappeared, but the olfactory sensory cells that first responded to the smells ignore the stimulus after a time. Beta-arrestin is part of the cell's machinery that produces desensitization to morphine...

Creating a standard spectrum of smell

...CISCO -- Distinguishing the difference between the aroma of pepperoni pizza and boiling cabbage is not as s...heir valuable acumen by sniffing a broad, standard aroma set - in a few whiffs. The set will allow laboratories easily to screen out individuals with specif...

Understanding of floral scents blossoms in Purdue laboratory

...ther, scientists call them volatile compounds. The aroma of a flower may contain as few as seven to ten different oils, as in snapdragon or petunia, or as many as 100 different chemicals, as is the case with orchids. Dudareva has been studying floral scents in snapdragon, which she selected because it is ...

Researchers develop white wine with cholesterol-lowering benefits, discover Israeli wines healthier than French wines

...r than 18 hours without compromising the taste and aroma of the wine, Prof. Aviram added alcohol naturally obtained from wine to the squeezed grapes during the preparation process. This increased the flavonoids more than five-fold, making them as potent as the much greater amount found in red wine. "Ther...

American Chemical Society meeting features cutting-edge research August 26-30 in Chicago

...sease. Others are trying to improve the flavor and aroma of popular drinks like coffee, wine and tea. Their studies will be the focus of a three-day symposium, August 26-28, featuring more than 40 papers. ( AGFD 1-6, 14-20, 30-35, 44-52, 92-98, 104-110; Sunday-Tuesday, August 26-28. Embargoed until 9 a....

Lobster sniffing: how lobsters' hairy noses capture smells from the sea

...versity. Since odors are invisible, instead of the aroma of a tasty item, such as a rotting fish, the researchers substituted a fluorescent dye.The tank, operated by Jeffrey R. Koseff, professor of civil and environmental engineering at Stanford, and his colleagues, simulated the degree of turbulence a lob...

Sea Grant news: Shipworms, ozone, hurricanes

...fish while not impacting the appearance, color, or aroma of the treated fresh fish. The ozone research showed further benefits in that by treating the air and water used in the processing plants, bacterial cross-contamination in the workplace environment was reduced as well. Robb Mairs, general manager of...

Guns, bats, and cash

... in the pot of boiling coconut milk. The delicate aroma of wings and fur rise into the air. While not everyone's ideal food choice, the Chamorro people of Guam regard the flying fox - a type of bat that can grow up to a four foot wingspan as a delicacy. Mostly consumed by men, the entire animal, includ...

Plant chemicals benefit both health and home

...ealth benefits beyond their soothing scents. Three aroma chemicals from a variety of plant sources showed a...in E. Because they transfer quickly into the body, aroma chemicals have a number of possible medical applications. One option is using them in a room where p...

Yeast, wormwood & bacterial genes combine in microbial factory to make antimalarial drug

...emicals called terpenoids, which give plants their aroma and which also include taxol from the Pacific yew tree, and carotenoids, such as the compounds that give plants their color. Aside from their importance in flavorings, colorings and perfumes, isoprenoids from organisms as diverse as coral and fungi a...

The stinky smell of success of Ted the Titan: a tale from Chemical & Engineering News

... the group gathered for the historic event. As the aroma described by some as like rotten eggs laid by a decaying chicken in a clogged drainpipe-wafted through the hall, several other people began gagging, according to C&EN . The precise chemistry of Ted's odor hasn't really been explained as yet, but so...

Customized approaches to food are focus of symposium

...cing the food industry; the impact that flavor and aroma have on an individual's choice of food will be discussed by Dr. Chahan Yeretzian; and Dr. Indra Mehrotra will conclude by sharing future opportunities and challenges for the food industry. "The future of how people select the foods they eat has th...

Genetic master switch sends bacteria toward 'seafood dinner'

...rce material, like a hungry traveler following the aroma of hot food to a roadside restaurant. In the ocean, the bacteria follow a gradient stream of higher and higher concentrations of dissolved degraded chitin until they reach the solid shell material. The bacteria then latch on and begin their feast. ...

'Smart bomb' delivery destroys tumors in mice

...is the substance that gives garlic its distinctive aroma and flavor. For many years, scientists studying allicin have known that it is as toxic as it is pungent. It has been shown to kill not only cancer cells, but the cells of disease-causing microbes, and even healthy human body cells. Fortunately for ou...

First flavors form a lasting impression

...ring infancy were more accepting of sour taste and aroma sensory qualities associated with these formulas than children fed other formulas. The current findings complement Mennella and co-author Beauchamp's long-term research program on how breastfeeding infants learn about flavors. Because breast milk ...

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