Subscribe to Newsletter

Separation of a complex carotenoid isomer mixture

Carotenoids tend to form geometric isomers, so they can occur as all-trans (all-E) or as cis (Z) isomers. They arise, for example, from the effects of light or heat on vegetables and fruits or their extracts. They also occur naturally or are formed in the human body. Due to the different shape of the Z isomers (kinked shape instead of linear and rigid), the isomers can differ drastically in their properties such as solubilisation or adsorption as well as transport in the human body. Lycopene, for example, occurs predominantly in foods as the all-E isomer, while in the human body it predominantly occurs as the Z isomer. This means that the lycopene is either immediately isomerised by the human body or the all-E form is poorly absorbed.

Read the full article now

Log in or register to read this article in full and gain access to The Analytical Scientist’s entire content archive. It’s FREE!

Receive content, products, events as well as relevant industry updates from The Analytical Scientist and its sponsors.
Stay up to date with our other newsletters and sponsors information, tailored specifically to the fields you are interested in

When you click “Subscribe” we will email you a link, which you must click to verify the email address above and activate your subscription. If you do not receive this email, please contact us at [email protected].
If you wish to unsubscribe, you can update your preferences at any point.

Register to The Analytical Scientist

Register to access our FREE online portfolio, request the magazine in print and manage your preferences.

You will benefit from:
  • Unlimited access to ALL articles
  • News, interviews & opinions from leading industry experts
  • Receive print (and PDF) copies of The Analytical Scientist magazine