The biochemical composition and its relation to color of Ulva spp. upon harvest time
Green seaweed species of the genus Ulva are promising protein sources for food production. Various factors affect the biochemical composition of Ulva spp. (hereafter Ulva) , which can complicate the utilization in a commercial scale food production. This study investigated the composition of Ulva ha...
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| Veröffentlicht in: | Journal of applied phycology 2024-08, Vol.36 (4), p.2095-2107 |
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| creator | Nissen, Signe H. Juul, Louise Bruhn, Annette Søndergaard, Jens Dalsgaard, Trine K. |
| description | Green seaweed species of the genus
Ulva
are promising protein sources for food production. Various factors affect the biochemical composition of
Ulva
spp. (hereafter
Ulva)
, which can complicate the utilization in a commercial scale food production. This study investigated the composition of
Ulva
harvested in 2021 in May (dark green/black biomass), June (light green biomass) and August (mixed colored biomass). The August harvest was divided into three different color codes: light green, green, and dark green/black, to explore a relation between color and composition as an indicator for biomass quality. The crude protein (CP) and ash contents were highest in the dark August biomass (16.4±0.4% and 35.9±3.0% of dry matter (DM), respectively) and in the dark biomass harvested in May (20.6±0.5% and 41.2±3.9% of DM, respectively). The light green
Ulva
harvested in June had a lower CP content (6.5±1.5% of DM) similarly to what was observed for light green biomass in August (7.7±0.1% of DM). The light green biomasses were found to have a higher nitrogen to amino acid (N-to-AA) conversion factor and proportion of essential amino acids (EAA). The lipid content ranged between 1.0-2.2±0.1-0.2% of DM for the different biomasses and a higher lipid content was related with a lighter biomass color. Phosphorus and potassium concentrations were highest in the green fraction, whereas the darker green/black biomass had higher contents of all other elements, including the toxic elements, arsenic and cadmium.
Graphical abstract |
| doi_str_mv | 10.1007/s10811-024-03207-z |
| format | Article |
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Ulva
are promising protein sources for food production. Various factors affect the biochemical composition of
Ulva
spp. (hereafter
Ulva)
, which can complicate the utilization in a commercial scale food production. This study investigated the composition of
Ulva
harvested in 2021 in May (dark green/black biomass), June (light green biomass) and August (mixed colored biomass). The August harvest was divided into three different color codes: light green, green, and dark green/black, to explore a relation between color and composition as an indicator for biomass quality. The crude protein (CP) and ash contents were highest in the dark August biomass (16.4±0.4% and 35.9±3.0% of dry matter (DM), respectively) and in the dark biomass harvested in May (20.6±0.5% and 41.2±3.9% of DM, respectively). The light green
Ulva
harvested in June had a lower CP content (6.5±1.5% of DM) similarly to what was observed for light green biomass in August (7.7±0.1% of DM). The light green biomasses were found to have a higher nitrogen to amino acid (N-to-AA) conversion factor and proportion of essential amino acids (EAA). The lipid content ranged between 1.0-2.2±0.1-0.2% of DM for the different biomasses and a higher lipid content was related with a lighter biomass color. Phosphorus and potassium concentrations were highest in the green fraction, whereas the darker green/black biomass had higher contents of all other elements, including the toxic elements, arsenic and cadmium.
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Ulva
are promising protein sources for food production. Various factors affect the biochemical composition of
Ulva
spp. (hereafter
Ulva)
, which can complicate the utilization in a commercial scale food production. This study investigated the composition of
Ulva
harvested in 2021 in May (dark green/black biomass), June (light green biomass) and August (mixed colored biomass). The August harvest was divided into three different color codes: light green, green, and dark green/black, to explore a relation between color and composition as an indicator for biomass quality. The crude protein (CP) and ash contents were highest in the dark August biomass (16.4±0.4% and 35.9±3.0% of dry matter (DM), respectively) and in the dark biomass harvested in May (20.6±0.5% and 41.2±3.9% of DM, respectively). The light green
Ulva
harvested in June had a lower CP content (6.5±1.5% of DM) similarly to what was observed for light green biomass in August (7.7±0.1% of DM). The light green biomasses were found to have a higher nitrogen to amino acid (N-to-AA) conversion factor and proportion of essential amino acids (EAA). The lipid content ranged between 1.0-2.2±0.1-0.2% of DM for the different biomasses and a higher lipid content was related with a lighter biomass color. Phosphorus and potassium concentrations were highest in the green fraction, whereas the darker green/black biomass had higher contents of all other elements, including the toxic elements, arsenic and cadmium.
Graphical abstract</description><subject>Algae</subject><subject>Amino acids</subject><subject>Arsenic</subject><subject>Biochemical composition</subject><subject>Biomass</subject><subject>Biomedical and Life Sciences</subject><subject>Cadmium</subject><subject>Color</subject><subject>Colour</subject><subject>Composition</subject><subject>Conversion factors</subject><subject>Dry matter</subject><subject>Ecology</subject><subject>Food</subject><subject>Food composition</subject><subject>Food production</subject><subject>Food sources</subject><subject>Foods</subject><subject>Freshwater & Marine Ecology</subject><subject>Life Sciences</subject><subject>Light</subject><subject>Lipids</subject><subject>Phosphorus</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Potassium</subject><subject>Protein composition</subject><subject>Protein sources</subject><subject>Proteins</subject><subject>Seaweeds</subject><issn>0921-8971</issn><issn>1573-5176</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kFtLwzAUx4MoOC9fwKeAz5knOU2bPsrwBgNftueQpYnraJuadAP36a2r4JtPB87_Bj9C7jjMOUDxkDgozhmIjAEKKNjxjMy4LJBJXuTnZAal4EyVBb8kVyntAKBUXM3IarV1dFMHu3VtbU1DbWj7kOqhDh01XUXrIdHoGnN6DGHUmxBp8HTdHAxNfT-n-36UtiYeXBroULfuhlx40yR3-3uvyfr5abV4Zcv3l7fF45JZzHFgXhkjs9Lbim_AC2EraTyqTILy1nvOhZEoJJZQyqqwQopcgK826PIKfanwmtxPvX0Mn_txXe_CPnbjpEZQiCgxE6NLTC4bQ0rRed3HujXxS3PQP_T0RE-P9PSJnj6OIZxCaTR3Hy7-Vf-T-gZ8B3L8</recordid><startdate>20240801</startdate><enddate>20240801</enddate><creator>Nissen, Signe H.</creator><creator>Juul, Louise</creator><creator>Bruhn, Annette</creator><creator>Søndergaard, Jens</creator><creator>Dalsgaard, Trine K.</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><orcidid>https://orcid.org/0000-0002-2719-1447</orcidid><orcidid>https://orcid.org/0000-0002-7940-1338</orcidid><orcidid>https://orcid.org/0000-0002-5635-4102</orcidid><orcidid>https://orcid.org/0000-0001-7680-9920</orcidid><orcidid>https://orcid.org/0000-0002-4174-6760</orcidid></search><sort><creationdate>20240801</creationdate><title>The biochemical composition and its relation to color of Ulva spp. upon harvest time</title><author>Nissen, Signe H. ; Juul, Louise ; Bruhn, Annette ; Søndergaard, Jens ; Dalsgaard, Trine K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-f8aa549fcd1b0f22cd5af384508fcff112a532539095d7c252620fdb3e6d3f983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Algae</topic><topic>Amino acids</topic><topic>Arsenic</topic><topic>Biochemical composition</topic><topic>Biomass</topic><topic>Biomedical and Life Sciences</topic><topic>Cadmium</topic><topic>Color</topic><topic>Colour</topic><topic>Composition</topic><topic>Conversion factors</topic><topic>Dry matter</topic><topic>Ecology</topic><topic>Food</topic><topic>Food composition</topic><topic>Food production</topic><topic>Food sources</topic><topic>Foods</topic><topic>Freshwater & Marine Ecology</topic><topic>Life Sciences</topic><topic>Light</topic><topic>Lipids</topic><topic>Phosphorus</topic><topic>Plant Physiology</topic><topic>Plant Sciences</topic><topic>Potassium</topic><topic>Protein composition</topic><topic>Protein sources</topic><topic>Proteins</topic><topic>Seaweeds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nissen, Signe H.</creatorcontrib><creatorcontrib>Juul, Louise</creatorcontrib><creatorcontrib>Bruhn, Annette</creatorcontrib><creatorcontrib>Søndergaard, Jens</creatorcontrib><creatorcontrib>Dalsgaard, Trine K.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Journal of applied phycology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nissen, Signe H.</au><au>Juul, Louise</au><au>Bruhn, Annette</au><au>Søndergaard, Jens</au><au>Dalsgaard, Trine K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The biochemical composition and its relation to color of Ulva spp. upon harvest time</atitle><jtitle>Journal of applied phycology</jtitle><stitle>J Appl Phycol</stitle><date>2024-08-01</date><risdate>2024</risdate><volume>36</volume><issue>4</issue><spage>2095</spage><epage>2107</epage><pages>2095-2107</pages><issn>0921-8971</issn><eissn>1573-5176</eissn><abstract>Green seaweed species of the genus
Ulva
are promising protein sources for food production. Various factors affect the biochemical composition of
Ulva
spp. (hereafter
Ulva)
, which can complicate the utilization in a commercial scale food production. This study investigated the composition of
Ulva
harvested in 2021 in May (dark green/black biomass), June (light green biomass) and August (mixed colored biomass). The August harvest was divided into three different color codes: light green, green, and dark green/black, to explore a relation between color and composition as an indicator for biomass quality. The crude protein (CP) and ash contents were highest in the dark August biomass (16.4±0.4% and 35.9±3.0% of dry matter (DM), respectively) and in the dark biomass harvested in May (20.6±0.5% and 41.2±3.9% of DM, respectively). The light green
Ulva
harvested in June had a lower CP content (6.5±1.5% of DM) similarly to what was observed for light green biomass in August (7.7±0.1% of DM). The light green biomasses were found to have a higher nitrogen to amino acid (N-to-AA) conversion factor and proportion of essential amino acids (EAA). The lipid content ranged between 1.0-2.2±0.1-0.2% of DM for the different biomasses and a higher lipid content was related with a lighter biomass color. Phosphorus and potassium concentrations were highest in the green fraction, whereas the darker green/black biomass had higher contents of all other elements, including the toxic elements, arsenic and cadmium.
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| subjects | Algae Amino acids Arsenic Biochemical composition Biomass Biomedical and Life Sciences Cadmium Color Colour Composition Conversion factors Dry matter Ecology Food Food composition Food production Food sources Foods Freshwater & Marine Ecology Life Sciences Light Lipids Phosphorus Plant Physiology Plant Sciences Potassium Protein composition Protein sources Proteins Seaweeds |
| title | The biochemical composition and its relation to color of Ulva spp. upon harvest time |
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