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dc.contributor.author
Piñuel, Maria Lucrecia
dc.contributor.author
Boeri, Patricia
dc.contributor.author
Zubillaga, Fanny
dc.contributor.author
Barrio, Daniel Alejandro
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Torreta, Joaquin
dc.contributor.author
Cruz, Andrea
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Vásquez, Grace
dc.contributor.author
Pinto, Adelita
dc.contributor.author
Carrillo, Wilman
dc.date.available
2021-05-21T18:43:39Z
dc.date.issued
2019-07-30
dc.identifier.citation
Piñuel, Maria Lucrecia; Boeri, Patricia; Zubillaga, Fanny; Barrio, Daniel Alejandro; Torreta, Joaquin; et al.; Production of white, red and black quinoa (Chenopodium quinoa willd var. real) protein isolates and its hydrolysates in germinated and non-germinated quinoa samples and antioxidant activity evaluation; Multidisciplinary Digital Publishing Institute; Plants; 8; 8; 30-7-2019; 1-18
dc.identifier.uri
http://hdl.handle.net/11336/132513
dc.description.abstract
Red, black and white seeds quinoa were germinated at 28◦ C during 24 (G1), 48 and 72 h (G3). Red quinoa presented a higher percentage of germination with a value of 46% of germination at 72 h. Quinoa protein isolate (QPI) was obtained by alkaline extraction (pH 8.0) followed by an isoelectric precipitation (pH 4.5) from white, red and black quinoa seeds, germinated QPI-G1 or QPI-G3 and non-germinated QPI-NG, Chenopodium quinoa Willd var. Real. QPI-G1, QPI-G3 and QPI-NG were subject to a simulated gastric digestion (DG) and in vitro duodenal digestion (DD). The antioxidant activity was evaluated using the 1, 1-diphenyl-2-picryl hydrazyl (DPPH), azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and oxygen radical absorbance capacity (ORAC) methods. Gastric and duodenal digest of QPI-NG and QPI-G1 and QPI-G3 from white, red and black quinoa presented antioxidant activity. QPI-G1-DD of white quinoa presented the highest antioxidant activity with a DPPH value of 167.98 µmoL TE/g of digest, QPI-G1-DD of red quinoa with an ABTS value of 204.86 µmoL TE/g of digest and QPI-G1-DD of black quinoa with an ORAC value of 401.42 µmoL TE/g of digest. QPI-G3-DD of white quinoa presented higher antioxidant activity with a DPPH value of 186.28 µmoL TE/g of sample, QPI-G3-DD of red quinoa with an ABTS value of 144.06 µmoL TE/g of digest and QPI-G3-DD of black quinoa with an ORAC value of 395.14 µmoL TE/g of digest. The inhibition of reactive oxygen species (ROS) production in the zebrafish embryo model (Danio rerio) was evaluated. Protein profiles of QPI from white, red and black from germinated quinoa and non-germinated quinoa were similar with proteins between 10 kDa to 100 kDa with the presence of globulins 11S and 7S and 2S albumins.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Multidisciplinary Digital Publishing Institute
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
ANTIOXIDANT ACTIVITY
dc.subject
HYDROLYSATES
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QUINOA
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QUINOA PROTEIN CONCENTRATES
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ZEBRAFISH EMBRYOS
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Biotecnología Agrícola y Biotecnología Alimentaria
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Biotecnología Agropecuaria
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CIENCIAS AGRÍCOLAS
dc.title
Production of white, red and black quinoa (Chenopodium quinoa willd var. real) protein isolates and its hydrolysates in germinated and non-germinated quinoa samples and antioxidant activity evaluation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-05-11T18:15:41Z
dc.identifier.eissn
2223-7747
dc.journal.volume
8
dc.journal.number
8
dc.journal.pagination
1-18
dc.journal.pais
Suiza
dc.description.fil
Fil: Piñuel, Maria Lucrecia. Universidad Nacional de Rio Negro. Centro de Investigaciones y Transferencia de Rio Negro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Rio Negro; Argentina
dc.description.fil
Fil: Boeri, Patricia. Universidad Técnica de Babahoyo; Ecuador
dc.description.fil
Fil: Zubillaga, Fanny. Universidad Nacional de Rio Negro. Centro de Investigaciones y Transferencia de Rio Negro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Rio Negro; Argentina
dc.description.fil
Fil: Barrio, Daniel Alejandro. Universidad Nacional de Rio Negro. Centro de Investigaciones y Transferencia de Rio Negro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Rio Negro; Argentina
dc.description.fil
Fil: Torreta, Joaquin. Universidad Nacional de Rio Negro. Centro de Investigaciones y Transferencia de Rio Negro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Rio Negro; Argentina
dc.description.fil
Fil: Cruz, Andrea. Escuela Superior Politécnica del Litoral; Ecuador
dc.description.fil
Fil: Vásquez, Grace. Escuela Superior Politécnica del Litoral; Ecuador
dc.description.fil
Fil: Pinto, Adelita. Universidad Técnica de Babahoyo; Ecuador
dc.description.fil
Fil: Carrillo, Wilman. Universidad Técnica de Babahoyo; Ecuador
dc.journal.title
Plants
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/plants8080257
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2223-7747/8/8/257
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