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Tag: "taste" at biology news

Skimmed milk -- Straight from the cow

..., so this would be a way of giving the benefits of taste without the disadvantage of saturated fats,’ according to Komorowski. This may also overcome the problem of waste. ‘If you can genetically produce milk without fat then that may turn out to be a very good solution to what might later be a big disp...

New knowledge improves rice quality

...ly mapping specific quality traits in rice such as taste and aroma. The cooking and eating qualities of rice and how to measure sensory qualities more accurately. The role of important substances such as starch and amylose in cooking rice and how they are measured. "IRRI is...

New bacteria test could improve quality of fruit and vegetable juice

... and tasted by consumers. In addition to agitating taste buds, the latter can affect consumer confidence. Lin's technique is significant because it identifies the organism quickly ?in a matter of hours, unlike traditional culturing methods, which are time consuming and require five to seven ...

Bats get the munchies too!

...nk that this observation may be due to a matter of taste or flavour? explains researcher Francisco Sanchez, “The perception of sweetness versus bitterness may vary according the type of sugar and the amount of ethanol consumed. The combination of sucrose and ethanol may just have tasted better than either ...

Detecting poisons in nectar is an odour-ous task for honeybees

...ealed that honeybees do not have as many genes for taste receptors as other animals of a similar size, such...he ability to react to toxins, even if they cannot taste them. Researchers found that both the sugar content and the toxins in nectar affected a honeybee’...

A new study of living cells could revolutionize the way we test drugs

...eriments. It worked. As soon as the yeast got a taste of the vodka, the probe registered an electrical signal. A drunken hiccup perhaps? "It was probably the last gasp of the dying cell," says Professor Geim. The researchers had added so much ethanol that it poisoned the cell. Although not the cardio...

Yale biologists 'trick' viruses into extinction

...o lure insect pests. Because the pests prefer the taste of the trap crops, only these plants need to be sprayed, reducing the amount of pesticide use." Turner believes that similar trickery might be used against human viruses like HIV. He notes that HIV recognizes the T-cells it infects by CD4 molecule...

Wheat can fatally starve insect predators

... damage the insect's mid-stomach, the lectins also taste bad and have some toxicity. "By studying these different wheat genes, we're starting to put together a bigger picture of how Hessian fly-wheat interactions trigger resistance in the plant," Williams said. "We think that some of this has to do with...

New cigarette designs don't offer lower predicted cancer risks

...n a print ad for the brand, has crowed "All of the taste ?Less of the toxins." But a study by Dr. James F. Pankow of Oregon Health & Science University may snuff out claims by tobacco companies that smoking such newly marketed "potentially reduced-exposure product" (PREP) cigarettes is safer. The stu...

Gene key to taste bud development identified

...identified a gene that controls the development of taste buds. The gene, SOX2, stimulates stem cells on t...gue and in the back of the mouth to transform into taste buds, according to the researchers. Stem cells are immature cells that can develop into several diff...

Psst! Coffee drinkers: Fruit flies have something to tell you about caffeine

...gle protein missing from the fly-equivalent of our taste buds caused them to ignore caffeine's taste and consume the caffeine as if it were not there. "No, you won't see jittery Drosophila flitting pa...

Bitter taste identifies poisons in foods

...e Monell Chemical Senses Center report that bitter taste perception of vegetables is influenced by an interaction between variants of taste genes and the presence of naturally-occurring toxins in a given vegetable. The study appears in the ...

Researchers examine why food tastes bad to chemotherapy recipients

...pitalized patients suffer from malnutrition due to taste and smell dysfunction. "Unfortunately, these pro...re are two components to the metallic flavor –?the taste of metal ions on the tongue and the production of metal-catalyzed odors in the mouth that create a r...

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

...vidence about what's going on in the brain when we taste something we like, or develop a liking for somethi...e faster these neurons fire, the more pleasant the taste seems to become. The hardest test for a pleasure code is whether the brain signal can track the chan...

Tamed 11,400 years ago, figs were likely first domesticated crop

...st that this ease of planting, along with improved taste resulting from minor mutations, may explain why figs were domesticated some five millennia before other fruit trees, such as the grape, olive, and date. "The reported Gilgal figs, stored together with other vegetal staples such as wild barley, wild ...

Researchers discover how bacteria sense their environments

When humans taste or smell, receptors unique to each nerve cell detect the chemical and send signals to the brain, where many cells process the message to understand what we are smelling or tasting. But a bacterium is just a single cell, and it must use many different...

In drug design, a loose fit may be best bet

...gned for a host of health problems, from smell and taste disorders to heart disease, asthma, migraine, and pain. The study is published in the May 12, 2006, issue of the "Journal of Biological Chemistry". The researchers looked at thyrotropin-releasing hormone, or TRH, a hormone released in the brain that...

Science captures the essence of fruit

...h and wellbeing. The trouble is, they don't always taste very good ?and until they do it will be difficult to encourage consumers to make them part of their regular diet," he says. "Adding synthetic flavours destroys the credibility of any health food, so natural flavours produced through bioproduction w...

Gut microbes' partnership helps body extract energy from food, store it as fat

...n diet, fructans are used as food sweeteners. This taste change increased B. thetaiotaomicron's ability to produce energy for itself, and to make energy available in forms that the mouse could absorb and use. The result was that mice colonized with both organisms had significantly more fat than animals ...

Scientists solve sour taste proteins

...ter researchers has discovered two proteins in the taste buds on the surface of the tongue that are respons...could lead to ways to manipulate the perception of taste in order to fool the mouth that something sour, such as some children's medicines or health foods, t...

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