Chlorophyta and Rhodophyta macroalgae: A source of health promoting phytochemicals
authors Santos, SAO; Vilela, C; Freire, CSR; Abreu, MH; Rocha, SM; Silvestre, AJD
nationality International
journal FOOD CHEMISTRY
author keywords Macroalgae; Ulva lactuca; Codium tomentosum; Chondrus crispus; Gracilaria vermiculophylla; Lipophilic composition
keywords FATTY-ACID; NATURAL-PRODUCTS; FUNCTIONAL FOOD; ULVA-LACTUCA; VITAMIN-E; SEAWEEDS; PHYTOSTEROLS; TOCOPHEROL; PROFILES; EXTRACTS
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.
publisher ELSEVIER SCI LTD
issn 0308-8146
year published 2015
volume 183
beginning page 122
ending page 128
digital object identifier (doi) 10.1016/j.foodchem.2015.03.006
web of science category Chemistry, Applied; Food Science & Technology; Nutrition & Dietetics
subject category Chemistry; Food Science & Technology; Nutrition & Dietetics
unique article identifier WOS:000353603300018
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journal impact factor 6.306
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