Gross chemical composition, fatty acids, sterols, and pigments in tropical seaweed species off Sinaloa, Mexico

Gross chemical composition, fatty acids, sterols, and pigments in tropical seaweed species off Sinaloa, Mexico

Biochemical composition was assessed in green (Ulva expansa, Caulerpa sertularioides, Rhizoclonium riparium, Codium isabelae), red (Spyridia filamentosa, Gracilaria vermiculophylla), and brown (Padina durvillaei) seaweeds collected from different tropical lagoons on the Pacific coast of Sinaloa, Mex...

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主要な著者: Osuna-Ruiz, Idalia, Nieves-Soto, Mario, Manzano-Sarabia, Mercedes Marlenne, Hernández-Garibay, Enrique, Lizardi-Mendoza, Jaime, Burgos-Hernández, Armando, Hurtado-Oliva, Miguel Ángel
フォーマット: info:eu-repo/semantics/article
言語:eng
出版事項: Iniversidad Autónoma de Baja California 2019
主題:
sterols
lipids
pigments
biochemical composition
chemopreventive compunds
esteroles
lípidos
pigmentos
composición bioquímica
compuestos quimiopreventivos
オンライン･アクセス:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2974
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要約:Biochemical composition was assessed in green (Ulva expansa, Caulerpa sertularioides, Rhizoclonium riparium, Codium isabelae), red (Spyridia filamentosa, Gracilaria vermiculophylla), and brown (Padina durvillaei) seaweeds collected from different tropical lagoons on the Pacific coast of Sinaloa, Mexico. Protein content was higher in C. sertularioides, S. filamentosa, and G. vermiculophylla (10–12%), followed by R. riparium, P. durvillaei, and U. expansa (8%, 6%, and 4%, respectively). Lipid content was in the range of 0.3–1.5%, with the highest value found in R. riparium. The highest content of nitrogen-free extract (i.e., carbohydrates) (69%) and the lowest ash value (25%) were assessed in P. durvillaei. Polyunsaturated fatty acid content was in the range of 5–45%, with higher values in R. riparium (45%), C. sertularioides (39%), and P. durvillaei (23%). Red seaweeds showed the highest value of cholesterol+dehydrocholesterol (>90%), while green seaweeds showed the highest contents of β-sitosterol (71–77%), except for U. expansa, for which fucosterol+isofucosterol (79%) was highest. Pigment composition was different among seaweeds but coincided with previous reports. The biochemical components used as biomarkers were assessed by principal component analysis to discriminate among assessed variables and to cluster seaweed species according to the common variability of their biochemical composition. Results showed that composition was similar within seaweed divisions but particularly different in U. expansa and P. durvillaei. Biochemical compounds that contributed to total variability were β-sitosterol, 20:4n-6, 20:5n-3, chlorophyll a and b, and β-carotene, and to a lesser extent fucosterol+isofocusterol and 22:6n-3. Results showed that the analyzed seaweed species may be useful for animal nutrition and appropriate for human consumption.

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