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Measuring the stress of forested areas
Date:7/22/2008

stress agents and to study its consequences, leaving aside the rest of the variables found in nature.

According to what the research team at the UPV/EHU have shown, the secret to being the most adaptable species lies in accumulating antioxidants, such as vitamin E and special carotenoids (carotenes and xantophylls); precisely the substances that provide colour to plants. On receiving too much light, the VAZ cycle is triggered and the balance between three xantophylls (corresponding to these 3 initials) is altered so that the excess energy does not harm the plants. The human body, for example, is not capable of creating these highly important substances itself and it has to ingest vegetables in order to obtain antioxidants (from plants). Besides studying the VAZ cycle, Mr Txema Becerril's team has contributed to the discovery of a new cycle (the lutein epoxide cycle), present in many forest species such as beech, laurel, holm oak or oak and the team is currently studying what exactly is its protective function.


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Contact: Alaitz Ochoa de Eribe
alaitzo@elhuyar.com
34-688-673-679
Elhuyar Fundazioa
Source:Eurekalert  

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