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The α-carotene molecule has a β-ring at one end; the other end is called an ε-ring. There is no such thing as an "α-ring". These and similar names for the ends of the carotenoid molecules form the basis of a systematic naming scheme, according to which: α-carotene is β,ε-carotene; β-carotene is β,β-carotene;
The aphids have gained the ability to synthesize torulene by horizontal gene transfer of a number of genes for carotenoid synthesis, apparently from fungi. [1] Plants, fungi, and microorganisms can synthesize carotenoids, but torulene made by pea aphids is the only carotenoid known to be synthesized by an organism in the animal kingdom at the ...
Jawed Karim (born October 28, 1979) is an American software engineer and Internet entrepreneur. He is one of the co-founders of YouTube and the first person to upload a video to the site. The site's inaugural video, " Me at the zoo ", uploaded on April 23, 2005, has been viewed over 345 million times as of January 2025.
Using vitamin E oil for skin has a variety of potential benefits thanks to its moisturizing and antioxidant properties. Dermatologists explain its uses.
Authorities in Alabama allege a missing 1-year-old boy — whose disappearance came to light after his family members died in a car crash months after he was last seen — suffered gruesome abuse ...
As Hoda Kotb wraps up her nearly 18-year run on "Today," we're reflecting on some of our favorite food moments with the beloved anchor. At the top of that list is when she introduced us to her ...
Astaxanthin / æ s t ə ˈ z æ n θ ɪ n / is a keto-carotenoid within a group of chemical compounds known as carotenones or terpenes. [3] [4] [5] Astaxanthin is a metabolite of zeaxanthin and canthaxanthin, containing both hydroxyl and ketone functional groups.
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