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Tag: "peppers" at biology news

Activation of thermoreceptors mediates raw garlic's burning pungency

... is experienced, for example, in the heat of chili peppers or the coolness of peppermint. Both TRPV1 and TRPA1 are found in pain-sensing neurons that innervate the mouth and tongue. The researchers went on to identify the sulfide compound allicin, an unstable chemical found in bruised, cut, or crushed garli...

Key to elephant conservation is 'in the sauce'

...ust (EPDT) has not only promoted the use of chilli peppers as a means of keeping elephants, buffalo, and othe...h crop to the economy of African nations. "Chilli peppers are unpalatable to crop-raiding mammals, so they give farmers an economically feasible means of mini...

Mushrooms as good an antioxidant source as more colorful veggies

...mini mushrooms rank with carrots, green beans, red peppers and broccoli as good sources of dietary antioxidants, Penn State researchers say. Dr. N. Joy Dubost, who recently earned her doctorate in food science at Penn State, measured the activity of two antioxidants, polyphenols and ergothioneine, present i...

Bumblebee house warming -- it takes a village

...ries, huckleberries and greenhouse-grown tomatoes, peppers and eggplants. To study task performance, the researchers glued a numbered plastic tag to the thorax of workers in three colonies. They observed and videotaped the incubation and wing fanning, or cooling, performed by individual workers under fou...

Researchers find 6,000-year-old fossil evidence

... that showed people were eating domesticated chili peppers as long as 6,000 years ago. This makes chili peppers one of the oldest domesticated food sources in the Americas. The study will be published in the Feb....

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...eceptor, the main pungent ingredient in some chili peppers (Nature, Oct. 23, 1997), and in 2000 reported that, in mice, the receptor triggers the nerves to fire pain signals when they are exposed to high ambient heat or the fiery properties of peppery food. (Science, April 14, 2000). The study demonstrated t...

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