wein.plus
Attention
You are using an old browser that may not function as expected. For a better, safer browsing experience, please upgrade your browser.

Log in Become a Member

Xanthophyll

A yellow pigment; see under carotenoids

A group of dyes belonging to the tetra-terpenes with over 800 different species occurring in nature. They are widespread in the animal and plant kingdom and cause a yellow, green, orange to reddish coloration. During photosynthesis, carotenoids are responsible for protection against photo-oxidation and for energy transfer. The most common carotenoids are β-carotene (carrot), a precursor of vitamin A and lutein. Lutein-5,6-epoxide, luteoxanthin, neoxanthin, violaxanthin, xanthophylls and zeaxanthin occur in lower concentrations. Carotenoids are also used for colouring and as flavour enhancers in foods. Some carotenoids act as antioxidants and therefore have a preventive effect on many diseases such as Alzheimer's, arteriosclerosis, cataracts, skin ageing, cancer, Parkinson's...

The world's largest Lexikon of wine terms.

25.247 Keywords · 47.217 Synonyms · 5.306 Translations · 30.559 Pronunciations · 168.307 Cross-references
made with by our Experts. About the Lexicon

EVENTS NEAR YOU