Avaliação da atividade antioxidante e antimicrobiana de extratos de araçá (&lt;i&gt;Psidium grandifolium&lt;/i&gt; Mart. ex DC.) obtidos por líquido pressurizado (PLE) e por fluido supercrítico (SFE)

Bittencourt, Gabriela Marques

doi:10.11606/d.74.2018.tde-23102018-111708

DOI: 10.11606/d.74.2018.tde-23102018-111708

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Avaliação da atividade antioxidante e antimicrobiana de extratos de araçá (<i>Psidium grandifolium</i> Mart. ex DC.) obtidos por líquido pressurizado (PLE) e por fluido supercrítico (SFE)

Gabriela Marques Bittencourt¹

Abstract: BITTENCOURT, G. M. Evaluation of the antioxidante and atimicrobial activity of araçá extracts (Psidium Grandifolium Mart. Ex DC.) obtained by pressurized liquid extraction (PLE) and supercritical fluid extraction (SFE). 2018. 116 p.

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Avaliação do potencial antioxidante e da atividade antibacteriana do extrato da polpa de Psidium brownianum Mart. ex DC

Cordeiro

Caldas

Machado

et al. 2020

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Species of the genus Psidium have come out to be efficient in terms of characteristics of nutritional interests, such as richness in vitamins and antioxidants. In addition, antibacterial activity has been evidenced by extracts from species of the genus Psidium. Thus, the present study aims to evaluate the antioxidant potential and antibacterial activity of Psidium brownianum Mart pulp extract. ex DC .. The total phenolic compounds were quantified by using the Folin - Ciocalteau reagent. The antioxidant potential of Psidium brownianum Mart. ex DC. was determined by the photocolorimetric method in vitro by sequestrating the stable free radical DPPH. To evaluate the antibacterial capacity of the extract, it was used the broth microdilution method. The total phenolic compounds found in the extract represent the value of 1211 mg GAE / 100 g of the sample. The extract of Psidium brownianum Mart. ex DC. Presented a high antioxidant potential, probably due to its high content of phenolic compounds. The species also evidenced inhibitory activity against all tested bacterial strains. According to this, it is possible to infer that the pulp of Psidium brownianum Mart. ex DC., comes out to be a rich source of total phenolic compounds and antioxidant potential, so ingesting it is important. As for antibacterial activity, further studies are needed involving possible associations of this extract with other substances, as a way to enhance its use.

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Avaliação do potencial antioxidante e da atividade antibacteriana do extrato da polpa de Psidium brownianum Mart. ex DC

Cordeiro

Caldas

Machado

et al. 2020

RSD

View full text Add to dashboard Cite

show abstract

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Avaliação da atividade antioxidante e antimicrobiana de extratos de araçá (<i>Psidium grandifolium</i> Mart. ex DC.) obtidos por líquido pressurizado (PLE) e por fluido supercrítico (SFE)

Abstract: BITTENCOURT, G. M. Evaluation of the antioxidante and atimicrobial activity of araçá extracts (Psidium Grandifolium Mart. Ex DC.) obtained by pressurized liquid extraction (PLE) and supercritical fluid extraction (SFE). 2018. 116 p.

Cited by 1 publication

References 37 publications

Avaliação do potencial antioxidante e da atividade antibacteriana do extrato da polpa de Psidium brownianum Mart. ex DC

Avaliação do potencial antioxidante e da atividade antibacteriana do extrato da polpa de Psidium brownianum Mart. ex DC

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