21. Professor Basil Weedon's group was the first to prove the structure of astaxanthin by synthesis, in 1975. 22. However, synthetic production of astaxanthin is not preferred in some cases because synthetic astaxanthin contains a mixture of stereoisomers. 23. However, synthetic production of astaxanthin is not preferred in some cases because synthetic astaxanthin contains a mixture of stereoisomers. 24. In addition, any current label was the result of a law suit-listed clearly on my article astaxanthin . 25. For obtaining astaxanthin from " Euphausia superba " ( Antarctic krill ), there are a number of issues: 26. In addition, this user has gone out of his way to make addition to other articles ( salmon and astaxanthin ). 27. This scale is specific for measuring the pink colour due to astaxanthin and is not for the orange hue obtained with canthaxanthin. 28. Researchers hypothesize that the intake of astaxanthin influences the idoxanthin concentration in the body, which result in the egg color change. 29. Farm-raised salmon are fed the carotenoids astaxanthin and canthaxanthin to match their flesh colour to wild salmon to improve their marketability. 30. Like other carotenoids, astaxanthin has self-limited absorption orally and such low toxicity by mouth that no toxic syndrome is known.
