2016
DOI: 10.4025/actascitechnol.v38i1.26033
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<b>Cytotoxic / antioxidant activity and sensorial acceptance of yerba-mate development by oxidation process

Abstract: ABSTRACT. Yerba-mate (Ilex paraguariensis St. Hil.) is a native species of South America, and its dried leaves are consumed mainly as a beverage. Its phytochemical profile includes phenolic compounds consisting of secondary metabolites with antioxidant activities. Current research optimizes conditions of yerba-mate leaves oxidation, evaluates the sensory acceptance and assesses the in vivo antioxidant activity of the oxidized product. The variables incubation chamber humidity and age of leaves were optimized w… Show more

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Cited by 9 publications
(9 citation statements)
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“…Tannin content present in yerba mate leaves are responsible for its astringency; a higher concentration of it was observed in plantations located in regions with more luminosity (Caron et al, 2014), and influence its color, which is also affected by process. Oxidation is one of the transformations that occur in leaves, being directly related to luminosity of the material (Valduga et al, 2016).…”
Section: Introduction and Objectivesmentioning
confidence: 99%
“…Tannin content present in yerba mate leaves are responsible for its astringency; a higher concentration of it was observed in plantations located in regions with more luminosity (Caron et al, 2014), and influence its color, which is also affected by process. Oxidation is one of the transformations that occur in leaves, being directly related to luminosity of the material (Valduga et al, 2016).…”
Section: Introduction and Objectivesmentioning
confidence: 99%
“…Oxidative stress occurs when there is an excess of free radicals in the intrinsic and physiological protective system of each cell, contributing to a constant production of free radicals from aerobic metabolism (Valduga et al, 2016). Antioxidants inhibit or quench free radical reactions and delay or inhibit cellular damage.…”
Section: Introductionmentioning
confidence: 99%
“…A erva-mate (Ilex paraguariensis) tem grande valor comercial e cultural nos estados do sul do Brasil, especialmente no Rio Grande do Sul. Atualmente, estudos têm sido desenvolvidos buscando estabelecer os seus benefícios terapêuticos (SEHNEM; VELTRINI, 2012;VALDUGA et al, 2016), assim como os efeitos colaterais à saúde, principalmente no que diz respeito a sua relação com o câncer de boca (ALBAS et al, 2014). De acordo com estimativas do Instituto Nacional do Câncer (INCA) para neoplasia Brazilian Applied Science Review, Curitiba, v.5, n.1, p.241-256 jan./fev.…”
Section: Introductionunclassified
“…O estresse oxidativo ocorre quando existe um excesso de radicais livres em relação ao sistema protetor intrínseco e fisiológico de cada célula, o corpo humano produz radicais livres constantemente, a partir do metabolismo aeróbico e a presença, portanto, de oxigênio. Esse desequilíbrio pode culminar em uma janela imunológica para a proliferação de bactérias e fungos oportunistas, como é o caso da Candida albicans (COSTA; SANTOS; BORGES, 2015;SANTANA-BLANK et al, 2016;VALDUGA et al, 2016).…”
Section: Introductionunclassified