Stereochemical configuration and provitamin A activity. XI. A comparison of synthetic all-trans- and dicis-16, 16 -homo- -carotene C42H38 with all-trans- -carotene in the rat

Deuel, H.J.; Inhoffen, H.H.; Ganguly, J.; Wallcave, L.; Zechmeister, L.

Arch Biochem And Biophys 40(2): 352-357


DOI: 10.1016/0003-9861(52)90122-7
Accession: 025522459

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A higher homolog of beta-carotene, synthetic 16,16 -homo-beta-carotene, C42H38, exhibits in the rat a provit. A effect amounting to 20% of that of all-trans-beta-carotene. The all-trans and the central dicis forms of the homo-beta-carotene are biochemically equivalent in the rat.