Tag: "chocolate" at biology news

Preliminary research suggests potential nitric oxide link to cocoa consumption

...hat consumption of certain flavanol-rich cocoa and chocolate may positively affect cardiovascular biomarkers. ...ate, a look at the bioavailability of flavanols in chocolate and their cell-protective effects, particularly against oxidative stress, Catherine Rice-Evans, Ph.D...

New cancer drug possible from compound found in common food

... commonly found in cola beverages, coffee, tea and chocolate - block the operation of a key enzyme linked to a ...essage to the general public is not to overdose on chocolate or coffee. The study relied on using high concentrations of caffeine that would be unhealthy for hum...

Rice develops nanosensor for precision chemical analysis

...some cases. Similar in structure to a hard-shelled chocolate candy, nanoshells are layered colloids that consist of a core of non-conducting material covered by a thin metallic shell. By varying the thickness of the conducting shell, researchers in Halas' group can precisely tune the electric and optical prope...

Chocolate treats for the heart

Who knew that chocolate -- the traditional Valentine's Day gift -- had so ...embraced in moderation, but research suggests that chocolate may have some redeeming health features. The good news was presented at a recent meeting of the Amer...

New strategies against disease revealed as scientists probe genes' tasks

... results. (By analogy, to know how someone baked a chocolate cake, a list of ingredients wouldn't be enough. You'd need to know how long it was baked for, and at what temperature.) Ultimately, researchers would like to have every gene's jobs identified throughout the body, and their interactions with other gen...

Rice makes first rapid, sensitive whole-blood immunoassay

...Chemistry . Similar in structure to a hard-shelled chocolate candy, nanoshells are layered colloids that consist of a core of non-conducting material -- silica in this case -- covered by a thin metallic shell. By varying the thickness of the metal shell, researchers in Halas' group can precisely tune the color...

Hot cocoa tops red wine and tea in antioxidants; may be healthier choice

...drinkable stuff, says Lee. A normal 40-gram bar of chocolate contains about 8 grams of saturated fat, compared to only 0.3 grams in an average cup of hot cocoa, he notes. Although many other popular beverages, such as coffee and cranberry juice, also contain high levels of antioxidants, these were not evaluate...

A little stress may be good for you

..., Ill. -- We've often heard that red wine and dark chocolate in moderation can be good for you. Now it appears that a little stress may be beneficial, too. Northwestern University scientists have shown that elevated levels of special protective proteins that respond to stress in a cell (known as molecular c...

Food tastes stronger when you're hungry

...eople on diets should be forgiven for moaning that chocolate tastes better when you're hungry. Just missing breakfast makes you more sensitive to sweet and salty tastes, according to research to be published next week in BMC Neuroscience. Hunger could increase your ability to taste, by increasing the sensitivi...

Study: Artificial sweetener may disrupt body's ability to count calories

...wed to eat a small amount of a sweet, high-calorie chocolate flavored snack. The researchers compared the two g...ty to compensate for the calories contained in the chocolate snack. The rats that had experienced the inconsistent relationship between sweet taste and calories ...

Infusion of two peptides acts to accelerate appetite satisfaction

...before they were served a lunch of ham sandwiches, chocolate mousse and orange juice. After the start of the perfusion, subjects scored their subjective feelings for hunger and fullness at 15-min intervals for the duration of each experiment using a visual analogue scale from 1 through 10 and indicated their s...

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