2011
DOI: 10.11002/kjfp.2011.18.1.065
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Inhibitory Effect of Extracts of Platycodon grandiflorum (the Ballon Flower) on Oxidation and Nitric Oxide Production

Abstract: We explored the effect of extracts of dried Platycodon grandiflorum on production of reactive oxygen species (ROS), glutathione (GSH) and nitric oxide (NO). To determine antioxidant activity in the presence of H 2 O 2 -induced oxidative stress, DCFH-DA (dichlorodihydrofluorescin diacetate) assay was employed. Acetone/methylene chloride (A+M) and methanolic (MeOH) extracts of P. grandiflorum reduced intracellular ROS levels. Of the various tested fractions, n-BuOH fraction showed the highest protective effect i… Show more

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Cited by 27 publications
(5 citation statements)
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“…Previous studies conducted with other natural products, such as sowthistle ( Ixeris dentate Nakai ), 31 Dahurian rose ( Rosa davurica Pall . ), 32 and balloon flower ( Pladycodon grandiflorum ), 33 also exhibited the high antioxidant activities of the ethyl acetate and butanol solvent fractions. The ethyl acetate fraction of Dendropanax morbifera Léveille , in particular, contains a high amount of catethin; therefore, it showed high antioxidant activity.…”
Section: Discussionmentioning
confidence: 99%
“…Previous studies conducted with other natural products, such as sowthistle ( Ixeris dentate Nakai ), 31 Dahurian rose ( Rosa davurica Pall . ), 32 and balloon flower ( Pladycodon grandiflorum ), 33 also exhibited the high antioxidant activities of the ethyl acetate and butanol solvent fractions. The ethyl acetate fraction of Dendropanax morbifera Léveille , in particular, contains a high amount of catethin; therefore, it showed high antioxidant activity.…”
Section: Discussionmentioning
confidence: 99%
“…Nitric oxide is a substance that mediates intercellular action and is produced by immune stimulation in macrophages or hepatocytes [ 20 ]. In this study, we investigated the effect of UPT enzyme extracts on NO production on LPS-induced RAW 264.7 cells for 0–48 h. As a result, the amount of NO secreted by LPS stimulation was 15.55 ± 1.30 μM, and the NO production was highly suppressed by the UPT enzymatic extracts treatment.…”
Section: Resultsmentioning
confidence: 99%
“…Chang et al [19] reported the constraining effect of NO production of Platycodon grandiflorum. Ko et al [20] reported that Platycodon grandiflorum would inhibit the secretion of inflammatory cytokine such as TNF-α, IL-6 and IL-8.…”
Section: ] No Generation Inhibition Ratementioning
confidence: 99%