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http://hdl.handle.net/10773/20057
Title: | Chlorophyta and Rhodophyta macroalgae: A source of health promoting phytochemicals |
Author: | Santos, Sonia A. O. Vilela, Carla Freire, Carmen S. R. Abreu, Maria H. Rocha, Silvia M. Silvestre, Armando J. D. |
Keywords: | FATTY-ACID NATURAL-PRODUCTS FUNCTIONAL FOOD ULVA-LACTUCA VITAMIN-E SEAWEEDS PHYTOSTEROLS TOCOPHEROL PROFILES EXTRACTS |
Issue Date: | 2015 |
Publisher: | ELSEVIER SCI LTD |
Abstract: | A detailed study of the lipophilic composition of Codium tomentosum, Ulva lactuca, Gracilaria vermiculophylla and Chondrus crispus macroalgae cultivated in the Portuguese coast was carried out by gas chromatography-mass spectrometry before and after alkaline hydrolysis. Their long-chain aliphatic alcohols and monoglycerides compositions are reported for the first time. Additionally, other new compounds were also identified: phytol and neophytadiene in C. tomentosum, U. lactuca and G. vermiculophylla and stigmasterol, alpha-tocopherol and 24-methylenecholesterol in C tomentosum. The lipophilic fraction of the studied macroalgae are mainly constituted by fatty acids (110.1-1030.5 mg kg(-1) of dry material) and sterols (14.8-1309.1 mg kg(-1) of dry material). C. tomentosum showed to be a valuable source of stigmasterol (1229.0 mg kg(-1) of dry material) and alpha-tocopherol (21.8 mg kg(-1) of dry material). These results are a relevant contribution for the valorisation of these macroalgae species as sources of valuable phytochemicals. (C) 2015 Elsevier Ltd. All rights reserved. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/20057 |
DOI: | 10.1016/j.foodchem.2015.03.006 |
ISSN: | 0308-8146 |
Publisher Version: | 10.1016/j.foodchem.2015.03.006 |
Appears in Collections: | CICECO - Artigos |
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