Biochemical composition of two red seaweed species grown on the Brazilian coast

Gressler, Vanessa; Fujii, Mutuê T.; Martins, Aline P.; Colepicolo, Pio; Mancini‐Filho, Jorge; Pinto, Ernani

doi:10.1002/jsfa.4370

Cited by 71 publications

(38 citation statements)

References 66 publications

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“…Similar results were found for Ochtodes secundiramea (Montagne) M.A. Howe (Gressler et al, 2011) and U. lactuca (Yaich et al, 2011). However, the opposite was observed for U. lactuca (present study) and for species of red algae such as Plocamium brasiliense (Greville) M.A.…”

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confidence: 88%

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Comparison of extraction and transesterification methods on the determination of the fatty acid contents of three Brazilian seaweed species

Martins

Yokoya²,

Colepicolo

2012

Rev. bras. farmacogn.

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Seaweeds are photosynthetic organisms important to their ecosystem and constitute a source of compounds with several different applications in the pharmaceutical, cosmetic and biotechnology industries, such as triacylglycerols, which can be converted to fatty acid methyl esters that make up biodiesel, an alternative source of fuel applied in economic important areas. This study evaluates the fatty acid profiles and concentrations of three Brazilian seaweed species, Hypnea musciformis (Wulfen) J.V. Lamouroux (Rhodophya), Sargassum cymosum C. Agardh (Heterokontophyta), and Ulva lactuca L. (Chlorophyta), comparing three extraction methods (Bligh & Dyer -B&D; AOAC Official Methods -AOM; and extraction with methanol and ultrasound -EMU) and two transesterification methods (7% BF 3 in methanol -BF 3 ; and 5% HCl in methanol -HCl). The fatty acid contents of the three species of seaweeds were significantly different when extracted and transesterified by the different methods. Moreover, the best method for one species was not the same for the other species. The best extraction and transesterification methods for H. musciformis, S. cymosum and U. lactuca were, respectively, AOM-HCl, B&D-BF 3 and B&D-BF 3 /B&D-HCl. These results point to a matrix effect and the method used for the analysis of the fatty acid content of different organisms should be selected carefully.

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confidence: 88%

“…with the findings for other red algae Gressler et al, 2010;Gressler et al, 2011), green algae (Ortiz et al, 2006;Yaich et al, 2011) and brown algae (Khotimchenko, 1991;Noviendri et al, 2011).…”

supporting

confidence: 71%

Comparison of extraction and transesterification methods on the determination of the fatty acid contents of three Brazilian seaweed species

Martins

Yokoya²,

Colepicolo

2012

Rev. bras. farmacogn.

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“…Variations in the light intensity, temperature, pH, UV radiation, content of macro-and micronutrients, sea tides and presence of pollutants have been described as natural and anthropogenic disturbances that can influence the physiology, composition and quantity of some marine macroalgal metabolites (Franklin & Forster, 1997;Hader & Figueroa, 1997;Hader et al, 1998;Pinto et al, 2003b;Cardozo et al, 2007;Gressler et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Effects of heavy metals and light levels on the biosynthesis of carotenoids and fatty acids in the macroalgae Gracilaria tenuistipitata (var. liui Zhang & Xia)

Pinto¹,

Carvalho²,

Cardozo³

et al. 2011

Rev. bras. farmacogn.

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“…They produce numerous compounds of economic interest and have been used for centuries for human nutrition (Gressler et al 2011). Substances biosynthesized by algae have an economic impact in food science, the pharmaceutical industry, and public health.…”

Section: Introductionmentioning

confidence: 99%

Influence of temperature, light and nutrients on the growth rates of the macroalga Gracilaria domingensis in synthetic seawater using experimental design

et al. 2012

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2012Influence of temperature, light and nutrients on the growth rates of the macroalga Gracilaria domingensis in synthetic seawater using experimental design JOURNAL OF APPLIED PHYCOLOGY, DORDRECHT, v. 24, n. 6, pp. 1419-1426, DEC, 2012 Abstract In the present study, the daily relative growth rates (DRGR, in percent per day) of the red macroalga Gracilaria domingensis in synthetic seawater was investigated for the combined influence of five factors, i.e., light (L), temperature (T), nitrate (N), phosphate (P), and molybdate (M), using a statistical design method. The ranges of the experimental cultivation conditions were T, 18-26°C; L, 74-162 μmol photons m −2 s . In additional, these growth rate values are close to the growth rate values in natural medium (von Stosch medium), i.e., 6.5-7.0% d −1. The results analyzed by the ANOVA indicate that the factors N and T are highly significant linear terms, X L , (α00.05). On the other hand, the only significant quadratic term (X Q ) was that for L. Statistically significant interactions between two different factors were found between T vs. L and N vs. T. Finally, a two-way (linear/quadratic interaction) model provided a quite reasonable correlation between the experimental and predicted DRGR values (R adjusted 2 00.9540).

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Biochemical composition of two red seaweed species grown on the Brazilian coast

Abstract: Considering these compositions, both algae species were determined to have sources of protein, essential amino acids and carbohydrates similar to the edible seaweeds Laminaria japonica and Palmaria palmata.

Cited by 71 publications

References 66 publications

Comparison of extraction and transesterification methods on the determination of the fatty acid contents of three Brazilian seaweed species

Comparison of extraction and transesterification methods on the determination of the fatty acid contents of three Brazilian seaweed species

Effects of heavy metals and light levels on the biosynthesis of carotenoids and fatty acids in the macroalgae Gracilaria tenuistipitata (var. liui Zhang & Xia)

Influence of temperature, light and nutrients on the growth rates of the macroalga Gracilaria domingensis in synthetic seawater using experimental design

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