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|Type:||Artigo de periódico|
|Title:||Carotenoids from guava (Psidium guajava L.): Isolation and structure elucidation|
|Abstract:||Sixteen carotenoids were isolated from the flesh of Brazilian red guavas (Psidium guajava L.). Their structures were established by means of UV-visible, 400 and 500 MHz H-1 NMR, 120 and 125 MHz C-13 NMR, mass, and circular dichroism spectra. The carotenoids were identified as phytofluene, (all-E)-, (9Z)-, (13Z)-, and (15Z)-beta-carotene, (all-E)-gamma-carotene, (all-E)-, (9Z)-, (13Z)-, and (15Z)-lycopene, (all-E,3R)-beta-cryptoxanthin, (all-E,3R)-rubixanthin, (all-E,3S,5R,8S)-cryptoflavin, (all-E,3R,3'R,6'R)-lutein, (all-E,3S,5R,6R,3'S,5'R,8'R)-, and (all-E,3S,5R,6R,3'S,5'R,8'S)-neochrome. Thirteen of the carotenoids identified are reported as guava carotenoids for the first time.|
Psidium guajava L.
|Editor:||Amer Chemical Soc|
|Citation:||Journal Of Agricultural And Food Chemistry. Amer Chemical Soc, v. 47, n. 1, n. 145, n. 151, 1999.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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