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Volume 6 Number 1

Feature articles

Antioxidants – healthy or dangerous?
What are antioxidants? How do they work? Do we need them?

Bethanie Carney Almroth 

An internet search of the word ’antioxidants’ will give you more than 8 000 000 hits. We are bombarded with information and advertisements telling us that we need antioxidants to stay healthy, avoid colds, prevent cancer, improve our exercise efforts, and even reverse the effects of the aging process. But is this true? What are antioxidants? How do they work?

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Xylitol, grapes and raisins can be fatal for your dog
Something about the effects of these substances on dogs

Ylva Sjöström and Anna Lennquist

Be careful where you put fruit and sweets if you have a dog at home! Grapes, raisins and products containing xylitol can cause life-threatening damage in dogs. The number of poisonings and subsequent deaths has increased over the past years, and it is still unclear why things that are sweet for us are toxic for dogs.

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Practical protocols

Fruits and browning - testing some antioxidants
Do you want brown fruit juice? We are testing some methods and chemicals to prevent enzymatic browning in certain fruits and vegetables.

Claudia Girnth-Diamba, Karen Lunden, Hanne Thomsen, Liselotte Unger, Lykke Thostrup, Michael Bom Frost, Lone Brinkmann Sørensen, Marie Kielsgaard

To the protocol (coming soon)

Is carbon dioxide important for anything?
Worksheet for studying the factors influencing photosynthesis

Margus Pedaste

To the protocol

Page Manager: Sven Toresson|Last update: 7/13/2016

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