Extraction of anthocyanins from the byproduct and wastes of black rice production by ecofriendly method.

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorFernandes, Tayrine Silva-
Autor(es): dc.creatorFerreira, Gabriel Max Dias-
Autor(es): dc.creatorSilva, Gilmare Antônia da-
Autor(es): dc.creatorSantos, Igor José Boggione-
Autor(es): dc.creatorMageste, Aparecida Barbosa-
Data de aceite: dc.date.accessioned2025-08-21T15:08:26Z-
Data de disponibilização: dc.date.available2025-08-21T15:08:26Z-
Data de envio: dc.date.issued2023-05-17-
Data de envio: dc.date.issued2023-05-17-
Data de envio: dc.date.issued2020-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/jspui/handle/123456789/16579-
Fonte completa do material: dc.identifierhttps://www.tandfonline.com/doi/full/10.1080/01496395.2021.1992437-
Fonte completa do material: dc.identifierhttps://doi.org/10.1080/01496395.2021.1992437-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1003291-
Descrição: dc.descriptionA green and sustainable method has been developed to extract anthocyanins from broken black rice (BBR) using aqueous solutions of poly(ethylene glycol) (PEG). The effects of time, PEG concen-tration, temperature, BBR mass, and PEG molar mass were investigated using multivariate experi-mental designs. Time and temperature were not significant in the studied range and PEG 1500 was the most suitable. Under the optimized conditions, the anthocyanin concentration was 130.7 mg 100 g−1. The stability of the extract was higher at 25 °C and pH 5.0, with a reduction in absorbance (λmax = 455 nm) of only 7.14% after 60 days. The extract was applied in a colorless soap, and the color remained stable for 60 days (greater reduction in absorbance of 15.5% at 40 °C, λmax = 497 nm), indicating its potential for direct application in products of industrial interest. The method was also effective to extract anthocyanins from the husk and bran of black rice, with concentrations of 148.1 and 883.2 mg 100 g−1, respectively. In comparison with conventional methods for extracting anthocyanins, the proposed new technique offers the advantages of efficiency, simplicity and low cost, with the difference in extract concentration being obtained with methanol acidified with HCl of only 11%.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsrestrito-
Palavras-chave: dc.subjectAnthocyanin extraction-
Palavras-chave: dc.subjectBlack rice-
Palavras-chave: dc.subjectPoly(ethylene glycol)-
Palavras-chave: dc.subjectFractional factorial design-
Palavras-chave: dc.subjectResponse surface methodology-
Título: dc.titleExtraction of anthocyanins from the byproduct and wastes of black rice production by ecofriendly method.-
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