20
Oct
2008
Forests aspirin
Curiosity

Of NCAR scientists discovered that plants in a forest respond to stress by producing nuts in significant amounts to a form of aspirin.

Unlike humans, who are advised to take aspirin to decrease a temperature, plants and their ability to produce their own aspirin, leading to the formation of proteins that stimulate the biochemical defense system, says Thomas Karl, NCAR, which led study.

Our measurements show that significant amounts of chemicals can be detected in the atmosphere of the plant response to drought, inadequate temperatures, etc..

NCAR scientists found methyl salicylate in error. Special instruments were placed in a forest near Davis, California, to monitor volatile compounds of some plants. They are important because they can combine with industrial pollution emulsions, and can influence local climate.

When revised measurements found that levels of methyl salicylate rose dramatically when the plants have gone through a period of drought. Instruments mounted on towers about 30 m above the ground measured up to 0,025 mg of methyl salicylate, which increases to 0.09 m2 of forest every hour.

Methyl salicylate has two functions, one of which is to stimulate the plant defense system also may be a mechanism to communicate to neighboring plants, warning of danger.

Source www.ucar.edu

Photos
Top
See also
Top
Curiosity
Prince Charles against deforestation

Prince Charles of Great Britain met Monday with President Susilo Bambang Yudhoyono of Indonesia and presented his ideas for saving the rain forest.

 
Edelweiss - Leontopodium alpinum

Delicate flower corner is the legend that tell mountain people.

A young woman from the valley married with a mountain lover, like all the girls in the village, who knew and loved with all his heart the mountain. Coming out often for tips glaciers, jnepeni to collect fruits, very aromatic herb that liqueur served in making the Mountain Pine, and we go and hunt marmots, for their fur which then sold to tourists.

 
Pomegranate - Punica granatum

Uses are numerous, especially in oriental tradition. Pomegranate juice is a common drink, rich in fiber, potassium and vitamin C. This juice is called granatina thick and sweet, syrup used in the past for the preparation of cocktails. Juice is also used as an antiseptic and if light is applied to wounds.

 
Royal Botanic Gardens, Kew - 250 years of existence

Royal Botanic Gardendale, Kew - celebrates 250 years of existence.

In 1759, William Aiton was appointed to take care of the gardens extend to KEW Princess Augusta.

 
University of Michigan shows that a super-fruit consumption reduces adipose tissue

One of these super fruits are cherries, which reduces risk factors for heart disease. In addition to lower cholesterol and reduce inflammation, a diet rich in cherries reduced body weight and fat.

 
   Add to iGoogle
Last posts

Categories

Links