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Antioxidant, Anti-Inflammatory, and Postulated Cytotoxic Activity of Phenolic and Anthocyanin-Rich Fractions from Polana Raspberry (Rubus idaeus L.) Fruit and Juice-In Vitro Study.

ABSTRACT: In this study, the antioxidative and anti-inflammatory potential of crude extracts (CE), anthocyanin-rich fractions (ARF), and phenolic fractions (PF) from raspberry (R) and raspberry juice (J) were evaluated. The antioxidant properties were evaluated with three complementary assays: DPPH radical scavenging activity, chelating Fe(II) power, and ferric reducing power. The highest antioxidant activity was determined for the crude extract from raspberry pulp (RCE) in the case of all methods used. The anti-inflammatory activity was demonstrated by inhibitory effect on lipoxygenase (LOX) and cyclooxygenase-2 (COX-2) activity in vitro. The highest efficiency in inhibiting the activity of both enzymes was exhibited by RCE, 0.79 and 0.59 mg FW/mL, respectively. In turn, JARF had the lowest ability to inhibit LOX (EC50 = 4.5 mg FW/mL) and JPF caused the lowest COX-2 inhibition (1.75 mg FW/mL). Additionally, we have performed a pilot study of in vitro cytotoxic activity using two human leukemia cell lines: J45 and HL60. All examined extracts inhibited the viability of J45 cells more effectively than HL60. The highest cytotoxic effect was observed in the J45.01 cell line after exposure to RCE (EC50 = 0.0375 mg FW/mL).

SUBMITTER: Szymanowska U

PROVIDER: S-EPMC6099503 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Antioxidant, Anti-Inflammatory, and Postulated Cytotoxic Activity of Phenolic and Anthocyanin-Rich Fractions from Polana Raspberry (<i>Rubus idaeus</i> L.) Fruit and Juice-In Vitro Study.

Szymanowska Urszula U Baraniak Barbara B Bogucka-Kocka Anna A

Molecules (Basel, Switzerland) 20180721 7

In this study, the antioxidative and anti-inflammatory potential of crude extracts (CE), anthocyanin-rich fractions (ARF), and phenolic fractions (PF) from raspberry (R) and raspberry juice (J) were evaluated. The antioxidant properties were evaluated with three complementary assays: DPPH radical scavenging activity, chelating Fe(II) power, and ferric reducing power. The highest antioxidant activity was determined for the crude extract from raspberry pulp (RCE) in the case of all methods used. T ...[more]

PMID: 30037097

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Project description:Raspberry (Rubus sp.) is a berries fruit with an ongoing agricultural and commercial interest due to its high contents of flavonoids and nutrients beneficial for human health. The growing demand for raspberries is facing great challenges associated mainly with the dispersal of diseases, which produces a decrease in productivity and fruit quality. A broad range of genomic resources is available for other Rosaceae species; however, genomic resources for species of the Rubus genus are still limited. Here, we characterize the transcriptome of the Rubus idaeus (Var. Amira) in order to 1) provide clues in the transcriptional changes of R. idaeus against tomato ringspot virus (ToRSV); and 2) generate genomic resources for this economically important species. We generate more than 200 million sequencing reads from two mRNA samples of raspberry, infected and not infected by ToRSV, using Illumina technology. After de novo assembly, we obtained 68,853 predicted protein-coding sequences of which 71.3% and 61.3% were annotated using Gene Ontology and Pfam databases, respectively. Moreover, we find 2,340 genes with differential expression between raspberries infected and not infected by ToRSV. Analysis of these genes shows functional enrichments of the oxidation-reduction process, cell wall biogenesis, terpene synthase activity, and lyase activity. These genes could be involved in the raspberry immune response through the interaction of different metabolic pathways; however, this statement needs further investigations. Up-regulation of genes encoding terpene synthases, multicopper oxidases, laccases, and beta-glucosidases might suggest that these enzymes appear to be the predominant transcriptome immune response of R. idaeus against ToRSV. Furthermore, we identify thousands of molecular markers (i.e., SSRs and SNPs), increasing considerably the genomic resources currently available for raspberries. This study is the first report on investigating the transcriptional changes of R. idaeus against ToRSV.

Dataset Information

Antioxidant, Anti-Inflammatory, and Postulated Cytotoxic Activity of Phenolic and Anthocyanin-Rich Fractions from Polana Raspberry (Rubus idaeus L.) Fruit and Juice-In Vitro Study.

Publications

Antioxidant, Anti-Inflammatory, and Postulated Cytotoxic Activity of Phenolic and Anthocyanin-Rich Fractions from Polana Raspberry (<i>Rubus idaeus</i> L.) Fruit and Juice-In Vitro Study.

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