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Seasonal Changes of α‐Tocopherol in Green Marine Algae ( Caulerpa genus)
Author(s) -
PiresCavalcante Kelma Maria dos Santos,
de Alencar Daniel Barroso,
de Sousa Márcia Barbosa,
Sampaio Alexandre Holanda,
SakerSampaio Silvana
Publication year - 2011
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1750-3841.2011.02182.x
Subject(s) - algae , tocopherol , green algae , carotenoid , botany , genus , biology , high performance liquid chromatography , chemistry , vitamin e , chromatography , antioxidant , biochemistry
Marine algae are a promising source of beneficial compounds for human use. Among these, pro‐vitamin A carotenoids and vitamins B, C, and E stand out. The objective of this study was to investigate seasonal variation of α‐tocopherol levels in 5 species of green marine algae of the Caulerpa genus. This research was carried out with both fresh and dry specimens; and, in addition, differences arising as a result of the drying process were examined. Analyses were carried out by high‐performance liquid chromatography (HPLC) using an isocratic system and a reversed‐phase C‐18 column. The distribution of α‐tocopherol throughout the year in Caulerpa genus was variable. All samples of both fresh and dried algae contained α‐tocopherol, except for the dried C. racemosa from March 2006. The drying process was responsible for losses of α‐tocopherol ranging from 21% to 93%.