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Antioxidant potential of various solvent extract from Morus alba fruits and its major polyphenols composition Ciência Rural
Kobus-Cisowska,Joanna; Szczepaniak,Oskar; Szymanowska-Powałowska,Daria; Piechocka,Justyna; Szulc,Piotr; Dziedziński,Marcin.
ABSTRACT: Extraction conditions are an important factor in the process of obtaining bioactive compounds from plant matrix. These compounds differ structurally. Structures of phyto-compounds and their interactions with other food ingredient are not fully known, while these two aspects should play a significant role in extrahents choice and determination of extraction process conditions. Mulberry (Morus alba) is a plant growing in Asia, which fruits are rich in bioactive ingredients and high anti-oxidative potential. In our study we analyzed mulberry fruits extracts differing in the extra hent applied: acetone, methanol, ethanol and water. All tested extracts possessed rich polyphenolic composition and radical scavenging ability. The significant differences...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morus alba; Antioxidants; Phenolic acids; Flavonoids.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000100751
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Composition of polyphenols of asparagus spears (Asparagus officinalis) and their antioxidant potential Ciência Rural
Kobus-Cisowska,Joanna; Szymanowska,Daria; Szczepaniak,Oskar Marek; Gramza-Michałowska,Anna; Kmiecik,Dominik; Kulczyński,Bartosz; Szulc,Piotr; Górnaś,Paweł.
ABSTRACT: The aim of this study was to examine the impact of cultivar and spear color on the composition of polyphenols in asparagus spears (Asparagus officinalis). The five genotypes (Schwetzinger Meisterschuss, Huchel’s Alpha, Gijnlim, Grolim and Eposs) and three growing conditions of asparagus spears (Asparagus officinalis) were investigated. The polyphenols were determined by applying the HPLC-DAD system. The obtained results were subjected to the principal component analysis. Among the analyzed asparagus samples cv. Grolim contained the highest amounts of phenolic acids and flavonols. The varied quantitative and qualitative composition of polyphenolics resulted most probably from changes occurring during vegetation, such as a lack of access to light...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Asparagus cultivars; Antioxidative activity; Flavonols; Phenolic acids; Polyphenols.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000400751
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